AI developer tools

APIs, models, hosting, evaluation and infrastructure for building with AI. 132 tools, in our ranking order.

Updated 9 October 2026 Top three Moving up Moving downHow rankings work

  1. #1

    Hugging Face

    Platform for sharing and running open AI models, datasets and demo apps.

    FreemiumDetails about Hugging FaceVisit (opens Hugging Face official site in a new tab)

  2. #2

    Meta Llama

    Meta's open-weight language models that you can download, fine-tune and run yourself.

    FreeDetails about Meta LlamaVisit (opens Meta Llama official site in a new tab)

  3. #3

    Cohere

    Enterprise AI models for text generation, embeddings and search reranking via API.

    FreemiumDetails about CohereVisit (opens Cohere official site in a new tab)

  4. #4

    Gemma

    Google's open-weight models for running and fine-tuning on phones, laptops or servers.

    FreeDetails about GemmaVisit (opens Gemma official site in a new tab)

  5. #5

    AI21 Labs

    Jamba open models, an API, and a gateway that cuts token costs for AI agents.

    PaidDetails about AI21 LabsVisit (opens AI21 Labs official site in a new tab)

More in AI developer tools

  1. #6

    Aleph Alpha

    Details coming soon.

    Details about Aleph AlphaVisit (opens Aleph Alpha official site in a new tab)

  2. #7

    Falcon

    Falcon LLM is a generative large language model (LLM) that helps advance applications and use cases to future-proof our world.

    Details about FalconVisit (opens Falcon official site in a new tab)

  3. #8

    GLM

    GLM-4 series: Open Multilingual Multimodal Chat LMs | 开源多语言多模态对话模型 - zai-org/GLM-4

    Details about GLMVisit (opens GLM official site in a new tab)

  4. #9

    Microsoft Phi

    Explore Phi models, efficient small language models (SLMs) for generative AI applications.

    Details about Microsoft PhiVisit (opens Microsoft Phi official site in a new tab)

  5. #10

    Mistral AI

    Frontier open-weight models you own and control.

    Details about Mistral AIVisit (opens Mistral AI official site in a new tab)

  6. #11

    Google AI Studio

    The fastest path from prompt to production with Gemini

    Details about Google AI StudioVisit (opens Google AI Studio official site in a new tab)

  7. #12

    OpenRouter

    The unified interface for every model. Find the best models & prices for your prompts

    Details about OpenRouterVisit (opens OpenRouter official site in a new tab)

  8. #13

    Together AI

    Build what's next on the AI Native Cloud.

    Details about Together AIVisit (opens Together AI official site in a new tab)

  9. #14

    Replicate

    Run open-source machine learning models with a cloud API

    Details about ReplicateVisit (opens Replicate official site in a new tab)

  10. #15

    Anthropic API

    Understand the Claude API's available endpoints, authentication headers, client SDKs, pagination, rate limits, and cloud platform access options.

    Details about Anthropic APIVisit (opens Anthropic API official site in a new tab)

  11. #16

    OpenAI API

    Details coming soon.

    Details about OpenAI APIVisit (opens OpenAI API official site in a new tab)

  12. #17

    Portkey

    Democratize and productionize Gen AI across your entire org with Portkey's suite of AI gateway, observability, guardrails, and prompt management modules.

    Details about PortkeyVisit (opens Portkey official site in a new tab)

  13. #18

    AI/ML API

    Access 1000+ AI models through a single API for text, image, video, audio, code, embeddings, and more.

    Details about AI/ML APIVisit (opens AI/ML API official site in a new tab)

  14. #19

    Amazon Bedrock

    Amazon Bedrock: The platform for building generative AI applications and agents at production scale

    Details about Amazon BedrockVisit (opens Amazon Bedrock official site in a new tab)

  15. #20

    Azure OpenAI Service

    Access and fine-tune the latest AI reasoning and multimodal models, integrate AI agents, and deploy secure, enterprise-ready generative AI solutions.

    Details about Azure OpenAI ServiceVisit (opens Azure OpenAI Service official site in a new tab)

  16. #21

    Cloudflare Workers AI

    Run machine learning models, powered by serverless GPUs, on Cloudflare's global network.

    Details about Cloudflare Workers AIVisit (opens Cloudflare Workers AI official site in a new tab)

  17. #22

    LiteLLM

    Put your full AI stack behind one key. Track and cap LLM spend, route to the right model, and self-host anywhere — even air-gapped.

    Details about LiteLLMVisit (opens LiteLLM official site in a new tab)

  18. #23

    Manifest

    Connect Your Agents And Harnesses With Any Provider 🦚 - mnfst/llm-gateway

    Details about ManifestVisit (opens Manifest official site in a new tab)

  19. #24

    Maxim AI

    The fastest open-source AI gateway for LLMs, MCP and agents: 50x faster than LiteLLM, with routing, governance, guardrails and observability built in.

    Details about Maxim AIVisit (opens Maxim AI official site in a new tab)

  20. #25

    Mistral AI La Plateforme

    Three products to use Mistral AI: Vibe for daily work and coding, Studio for the API and Playground, Admin for organization-level control.

    Details about Mistral AI La PlateformeVisit (opens Mistral AI La Plateforme official site in a new tab)

  21. #26

    Anyscale

    Powered by Ray, Anyscale helps AI builders run data-intensive workloads to build and deploy Foundation Models and AI at scale on any cloud.

    Details about AnyscaleVisit (opens Anyscale official site in a new tab)

  22. #27

    BentoML

    Inference Platform built for speed and control.

    Details about BentoMLVisit (opens BentoML official site in a new tab)

  23. #28

    Fireworks AI

    Fireworks’ state of the art training and inference platform take you beyond the frontier, transforming open models into your specialized intelligence.

    Details about Fireworks AIVisit (opens Fireworks AI official site in a new tab)

  24. #29

    Modal

    Cloud infrastructure for teams that develop, train, and serve AI applications at scale.

    Details about ModalVisit (opens Modal official site in a new tab)

  25. #30

    Baseten

    Serve and scale open-source and custom AI models on the fastest, most reliable inference platform.

    Details about BasetenVisit (opens Baseten official site in a new tab)

  26. #31

    Cerebras

    Cerebras powers the world's fastest AI inference on the biggest wafer chip.

    Details about CerebrasVisit (opens Cerebras official site in a new tab)

  27. #32

    CoreWeave

    The AI Cloud platform of technology and teams fully integrated and purpose-built to turn pioneers’ most complex AI workloads into discovery and creation.

    Details about CoreWeaveVisit (opens CoreWeave official site in a new tab)

  28. #33

    DeepInfra

    DeepInfra offers cost-effective, scalable, easy-to-deploy, and production-ready machine-learning models and infrastructures for deep-learning models.

    Details about DeepInfraVisit (opens DeepInfra official site in a new tab)

  29. #34

    Fal.ai

    fal is the generative media inference platform: call 1,000+ models via one API, deploy your own on serverless GPUs, or train on GPU clusters.

    Details about Fal.aiVisit (opens Fal.ai official site in a new tab)

  30. #35

    Groq

    Groq is the premier neocloud for fast inference.

    Details about GroqVisit (opens Groq official site in a new tab)

  31. #36

    Lambda Labs

    Train and scale AI on NVIDIA VR200 NVL 72, GB300 NVL 72, B300, B200, H200, H100, and more GPUs.

    Details about Lambda LabsVisit (opens Lambda Labs official site in a new tab)

  32. #37

    Pieces

    Pieces builds artificial memory from your work so you can recover decisions, resume where you left off, and bring real context into every AI tool.

    Details about PiecesVisit (opens Pieces official site in a new tab)

  33. #38

    Roboflow

    Turn images, videos, and streams into intelligence.

    Details about RoboflowVisit (opens Roboflow official site in a new tab)

  34. #39

    AI-Flow

    Connect multiple AI models easily. Open source, user-friendly UI application to create workflows with different AI models.

    Details about AI-FlowVisit (opens AI-Flow official site in a new tab)

  35. #40

    AppDeploy

    Deploy apps from chat and get a live URL without setup screens or hosting decisions.

    Details about AppDeployVisit (opens AppDeploy official site in a new tab)

  36. #41

    fabric

    Fabric is an open-source framework for augmenting humans using AI.

    Details about fabricVisit (opens fabric official site in a new tab)

  37. #42

    Hexabot

    Self-hostable AI workflow automation. Build AI agents and workflows that talk, act, and remember across channels, with MCP tools, memory, and data control.

    Details about HexabotVisit (opens Hexabot official site in a new tab)

  38. #43

    LMQL

    Language Model Query Language

    Details about LMQLVisit (opens LMQL official site in a new tab)

  39. #44

    Firecrawl

    Supercharge your AI agents with data from the web and beyond.

    Details about FirecrawlVisit (opens Firecrawl official site in a new tab)

  40. #45

    Tavily

    Tavily is the real‑time search engine for AI agents — Fast and secure APIs for web search and content extraction.

    Details about TavilyVisit (opens Tavily official site in a new tab)

  41. #46

    Exa

    The Exa Web search API retrieves the best, realtime data from the web for your AI

    Details about ExaVisit (opens Exa official site in a new tab)

  42. #47

    Browserbase

    Give your agents access to the whole web.

    Details about BrowserbaseVisit (opens Browserbase official site in a new tab)

  43. #48

    Diffbot

    Transform the raw web into structured knowledge for your AI.

    Details about DiffbotVisit (opens Diffbot official site in a new tab)

  44. #49

    Hyperbrowser

    Cloud browsers for AI agents & Apps

    Details about HyperbrowserVisit (opens Hyperbrowser official site in a new tab)

  45. #50

    LlamaIndex

    LlamaParse is the world's best agentic OCR for processing complex documents with messy tables, charts, images, and more with human-level accuracy.

    Details about LlamaIndexVisit (opens LlamaIndex official site in a new tab)

  46. #51

    Haystack

    Create agentic, context engineered AI systems using Haystack’s modular and customizable building blocks, built for real-world, production-ready applications.

    Details about HaystackVisit (opens Haystack official site in a new tab)

  47. #52

    Unstructured

    Transform complex, unstructured data into clean, AI-ready inputs.

    Details about UnstructuredVisit (opens Unstructured official site in a new tab)

  48. #53

    Agentset.ai

    The open-source platform to build AI apps that deliver reliable answers.

    Details about Agentset.aiVisit (opens Agentset.ai official site in a new tab)

  49. #54

    Context Data

    InterLock sits between AI agents and your data: every request authorized, sensitive fields redacted, risky writes held for approval, everything audited.

    Details about Context DataVisit (opens Context Data official site in a new tab)

  50. #55

    Jina AI

    Embeddings, rerankers, web reader, deepsearch, small language models.

    Details about Jina AIVisit (opens Jina AI official site in a new tab)

  51. #56

    Mem0

    Mem0 is the memory layer for AI agents and applications, enabling them to learn from past interactions and deliver personalized experiences.

    Details about Mem0Visit (opens Mem0 official site in a new tab)

  52. #57

    Qdrant

    Qdrant is an Open-Source Vector Search Engine written in Rust.

    Details about QdrantVisit (opens Qdrant official site in a new tab)

  53. #58

    Pinecone

    Pinecone is the trusted AI knowledge company.

    Details about PineconeVisit (opens Pinecone official site in a new tab)

  54. #59

    Weaviate

    Bring AI-native applications to life with less hallucination, data leakage, and vendor lock-in

    Details about WeaviateVisit (opens Weaviate official site in a new tab)

  55. #60

    Milvus

    Details coming soon.

    Details about MilvusVisit (opens Milvus official site in a new tab)

  56. #61

    Chroma

    Open-source search infrastructure for AI

    Details about ChromaVisit (opens Chroma official site in a new tab)

  57. #62

    LanceDB

    The multimodal lakehouse for AI, accelerating large-scale data curation and feature engineering so teams can build better models faster.

    Details about LanceDBVisit (opens LanceDB official site in a new tab)

  58. #63

    Marqo

    AI-native search, recommendations, and merchandising trained on your catalog.

    Details about MarqoVisit (opens Marqo official site in a new tab)

  59. #64

    Langfuse

    Trace, evaluate, and improve AI agents with one open platform.

    Details about LangfuseVisit (opens Langfuse official site in a new tab)

  60. #65

    LangSmith

    Take agents from prototype to production.

    Details about LangSmithVisit (opens LangSmith official site in a new tab)

  61. #66

    Braintrust

    Ship quality agents at scale. Braintrust is the AI observability platform for tracing production, running evals, and catching regressions before they reach users.

    Details about BraintrustVisit (opens Braintrust official site in a new tab)

  62. #67

    Arize AI

    Continuously improve AI agents with agent observability, evaluation, tracing, and experimentation.

    Details about Arize AIVisit (opens Arize AI official site in a new tab)

  63. #68

    Phoenix

    Trace, evaluate, and debug AI agents and LLM applications with Arize Phoenix.

    Details about PhoenixVisit (opens Phoenix official site in a new tab)

  64. #69

    Opik

    Opik is an end-to-end AI observability platform designed to help developers test, ship, and continuously improve agentic systems.

    Details about OpikVisit (opens Opik official site in a new tab)

  65. #70

    Ragas

    Ragas is an open source framework for testing and evaluating LLM applications.

    Details about RagasVisit (opens Ragas official site in a new tab)

  66. #71

    vLLM

    High-throughput and memory-efficient inference and serving engine for Large Language Models.

    Details about vLLMVisit (opens vLLM official site in a new tab)

  67. #72

    W&B Weave

    Track, test, and improve language model apps with W&B Weave

    Details about W&B WeaveVisit (opens W&B Weave official site in a new tab)

  68. #73

    Agenta

    Agenta is the open-source workspace for your agents.

    Details about AgentaVisit (opens Agenta official site in a new tab)

  69. #74

    AgentOps

    Every Agent Needs AgentOps.

    Details about AgentOpsVisit (opens AgentOps official site in a new tab)

  70. #75

    DeepEval

    DeepEval is the open-source LLM evaluation framework for testing and benchmarking LLM applications.

    Details about DeepEvalVisit (opens DeepEval official site in a new tab)

  71. #76

    Evidently AI

    Ensure your AI is production-ready. Test LLMs and monitor performance across AI applications, RAG systems, and multi-agent workflows.

    Details about Evidently AIVisit (opens Evidently AI official site in a new tab)

  72. #77

    Future AGI

    Open-source, end-to-end platform for evaluating, observing, and improving LLM and AI agent applications.

    Details about Future AGIVisit (opens Future AGI official site in a new tab)

  73. #78

    Helicone

    AI Gateway & LLM Observability

    Details about HeliconeVisit (opens Helicone official site in a new tab)

  74. #79

    Promptfoo

    The AI Security Platform that catches vulnerabilities in development.

    Details about PromptfooVisit (opens Promptfoo official site in a new tab)

  75. #80

    Cleanlab

    Cleanlab helps teams build safer AI agents by preventing incorrect responses from reaching users.

    Details about CleanlabVisit (opens Cleanlab official site in a new tab)

  76. #81

    Agentic Radar

    A security scanner for your LLM agentic workflows.

    Details about Agentic RadarVisit (opens Agentic Radar official site in a new tab)

  77. #82

    BigID

    Details coming soon.

    Details about BigIDVisit (opens BigID official site in a new tab)

  78. #83

    Drata

    Details coming soon.

    Details about DrataVisit (opens Drata official site in a new tab)

  79. #84

    Giskard

    Secure AI agents with Giskard’s continuous AI red teaming.

    Details about GiskardVisit (opens Giskard official site in a new tab)

  80. #85

    Lakera

    The AI-native security platform to accelerate GenAI initiatives—trusted by Fortune 500s, backed by the world’s largest AI red team.

    Details about LakeraVisit (opens Lakera official site in a new tab)

  81. #86

    LIME

    Lime: Explaining the predictions of any machine learning classifier - marcotcr/lime

    Details about LIMEVisit (opens LIME official site in a new tab)

  82. #87

    Comet ML

    Comet is the creator of Opik, an end-to-end AI observability platform for developers with best-in-class agent testing, optimization, and monitoring.

    Details about Comet MLVisit (opens Comet ML official site in a new tab)

  83. #88

    MLflow

    The largest open source AI engineering platform for agents, LLMs, and ML models.

    Details about MLflowVisit (opens MLflow official site in a new tab)

  84. #89

    Dataiku

    Dataiku is the Platform for AI Success that unites people, orchestration, and governance to turn AI investments into measurable business outcomes.

    Details about DataikuVisit (opens Dataiku official site in a new tab)

  85. #90

    DataRobot

    DataRobot delivers the industry-leading AI applications and platform that maximize impact and minimize risk for your business

    Details about DataRobotVisit (opens DataRobot official site in a new tab)

  86. #91

    H2O.ai

    Only H2O.ai provides an end-to-end GenAI platform where you own every part of the stack.

    Details about H2O.aiVisit (opens H2O.ai official site in a new tab)

  87. #92

    ClearML

    Unlock enterprise-scale AI with ClearML’s AI Infrastructure Platform.

    Details about ClearMLVisit (opens ClearML official site in a new tab)

  88. #93

    DVC

    Open-source version control system for Data Science and Machine Learning projects.

    Details about DVCVisit (opens DVC official site in a new tab)

  89. #94

    Weights & Biases

    Learn why thousands of companies rely on W&B as their system of record for training AI models and developing AI applications with confidence.

    Details about Weights & BiasesVisit (opens Weights & Biases official site in a new tab)

  90. #95

    Alteryx

    Automate data workflows, reduce manual work, and deliver insights faster with Alteryx One.

    Details about AlteryxVisit (opens Alteryx official site in a new tab)

  91. #96

    Amazon SageMaker

    The next generation of Amazon SageMaker is the center for all your data, analytics, and AI

    Details about Amazon SageMakerVisit (opens Amazon SageMaker official site in a new tab)

  92. #97

    Auto-Sklearn

    Details coming soon.

    Details about Auto-SklearnVisit (opens Auto-Sklearn official site in a new tab)

  93. #98

    Kiln

    Build better AI systems with evals, RAG, agents, synthetic data, fine-tuning, and prompt optimization.

    Details about KilnVisit (opens Kiln official site in a new tab)

  94. #99

    Kubeflow

    Kubeflow makes deployment of ML Workflows on Kubernetes straightforward and automated

    Details about KubeflowVisit (opens Kubeflow official site in a new tab)

  95. #100

    Metaflow

    Build and manage real-life ML, AI, and data science projects with Metaflow.

    Details about MetaflowVisit (opens Metaflow official site in a new tab)

  96. #101

    Core ML

    Integrate machine learning models into your app.

    Details about Core MLVisit (opens Core ML official site in a new tab)

  97. #102

    ONNX

    ONNX is an open format built to represent machine learning models.

    Details about ONNXVisit (opens ONNX official site in a new tab)

  98. #103

    Tensorflow.js

    Train and deploy models in the browser, Node.js, or Google Cloud Platform.

    Details about Tensorflow.jsVisit (opens Tensorflow.js official site in a new tab)

  99. #104

    Appen

    Appen delivers high-quality AI training data, data annotation and model evaluation for the world's leading AI teams.

    Details about AppenVisit (opens Appen official site in a new tab)

  100. #105

    CVAT

    Turn raw images, videos, audio and 3D data into model-ready datasets with CVAT.

    Details about CVATVisit (opens CVAT official site in a new tab)

  101. #106

    Gretel.ai

    Heads-up: Gretel was bought by NVIDIA in 2025, and gretel.ai now opens NVIDIA's synthetic data page. We haven't updated this listing yet.Get Started with NeMo Data Designer

    Details about Gretel.aiVisit (opens Gretel.ai official site in a new tab)

  102. #107

    Labelbox

    Frontier AI labs train on Labelbox environments and expert data.

    Details about LabelboxVisit (opens Labelbox official site in a new tab)

  103. #108

    MOSTLY AI

    Generate, analyze, and share privacy-safe synthetic data with MOSTLY AI’s secure, enterprise-ready platform and open-source SDK.

    Details about MOSTLY AIVisit (opens MOSTLY AI official site in a new tab)

  104. #109

    AWS Rekognition

    Amazon Rekognition automates image recognition and video analysis for your applications without machine learning (ML) experience.

    Details about AWS RekognitionVisit (opens AWS Rekognition official site in a new tab)

  105. #110

    Landing AI

    LandingAI is on a mission to make the world's documents computable.

    Details about Landing AIVisit (opens Landing AI official site in a new tab)

  106. #111

    Averroes.ai

    Achieve 99%+ accuracy and near zero false positives.

    Details about Averroes.aiVisit (opens Averroes.ai official site in a new tab)

  107. #112

    DeepLobe

    Details coming soon.

    Details about DeepLobeVisit (opens DeepLobe official site in a new tab)

  108. #113

    Detectron2

    Detectron2 is a platform for object detection, segmentation and other visual recognition tasks.

    Details about Detectron2Visit (opens Detectron2 official site in a new tab)

  109. #114

    Face++

    Build identity verification, facial recognition, liveness detection, body analysis, and OCR applications with Face⁺⁺ APIs and on-device SDKs.

    Details about Face++Visit (opens Face++ official site in a new tab)

  110. #115

    Google Cloud Vision

    Vision AI uses image recognition to create computer vision apps and derive insights from images and videos with pre-trained APIs.

    Details about Google Cloud VisionVisit (opens Google Cloud Vision official site in a new tab)

  111. #116

    MediaPipe

    You are being redirected to our new site at: developers.google.com/mediapipe

    Details about MediaPipeVisit (opens MediaPipe official site in a new tab)

  112. #117

    Hive Moderation

    Automated content moderation solutions with human-level accuracy

    Details about Hive ModerationVisit (opens Hive Moderation official site in a new tab)

  113. #118

    Perspective API

    Perspective API is a free developer tool that helps platforms host conversations that flourish - on their own terms.

    Details about Perspective APIVisit (opens Perspective API official site in a new tab)

  114. #119

    CrowdStrike

    CrowdStrike is a global cybersecurity leader with an advanced cloud-native platform for protecting endpoints, cloud workloads, identities and data.

    Details about CrowdStrikeVisit (opens CrowdStrike official site in a new tab)

  115. #120

    Darktrace

    Darktrace AI interrupts in-progress cyber-attacks in seconds, including ransomware, email phishing, and threats to cloud environments and critical infrastructure.

    Details about DarktraceVisit (opens Darktrace official site in a new tab)

  116. #121

    Jumio

    Accelerate customer onboarding, combat fraud, and ensure compliance with Jumio's industry-leading identity verification platform.

    Details about JumioVisit (opens Jumio official site in a new tab)

  117. #122

    Calmo

    Delegate complete tasks like incident response, root cause analysis, alert triage, migrations, postmortem generation, and performance optimization without changing your workflow.

    Details about CalmoVisit (opens Calmo official site in a new tab)

  118. #123

    ChatWithCloud

    ChatWithCloud is an AWS natural language CLI: ask your AWS account questions in plain English from your terminal.

    Details about ChatWithCloudVisit (opens ChatWithCloud official site in a new tab)

  119. #124

    Datadog

    See metrics from all of your apps, tools & services in one place with Datadog’s cloud monitoring as a service solution.

    Details about DatadogVisit (opens Datadog official site in a new tab)

  120. #125

    Honeycomb

    Honeycomb is the observability platform built for AI-era software.

    Details about HoneycombVisit (opens Honeycomb official site in a new tab)

  121. #126

    PromptBase

    Details coming soon.

    Details about PromptBaseVisit (opens PromptBase official site in a new tab)

  122. #127

    AI Prompt Genius

    Craft a custom library of AI Prompts

    Details about AI Prompt GeniusVisit (opens AI Prompt Genius official site in a new tab)

  123. #128

    AIPRM

    The Ultimate Time Saver for ChatGPT and other AI models.

    Details about AIPRMVisit (opens AIPRM official site in a new tab)

  124. #129

    FlowGPT

    Details coming soon.

    Details about FlowGPTVisit (opens FlowGPT official site in a new tab)

  125. #130

    Langfa.st

    Details coming soon.

    Details about Langfa.stVisit (opens Langfa.st official site in a new tab)

  126. #131

    Magic Potion

    Craft the perfect AI prompts with Magic Potion

    Details about Magic PotionVisit (opens Magic Potion official site in a new tab)

  127. #132

    Myriad

    Get the best content from ChatGPT, Copilot, and other AIs.

    Details about MyriadVisit (opens Myriad official site in a new tab)