Models & APIs
Model APIs, local runtimes, frameworks, vector stores and agent infrastructure.
OpenAI API
platform.openai.com
GPT models, Realtime and Agents SDK for developers
Claude API
anthropic.com
Claude models, tool use and agent building blocks
Hugging Face
huggingface.co
Hub for open models, datasets and Spaces
Google AI Studio
aistudio.google.com
Prototype with Gemini models for free
xAI API
x.ai
Grok models via API
DeepSeek Platform
platform.deepseek.com
Low-cost API for DeepSeek models
Mistral AI
mistral.ai
Mistral models via API and self-hosting
Cohere
cohere.com
Enterprise models for search and retrieval
Ollama
ollama.com
Run open models locally with one command
LM Studio
lmstudio.ai
Desktop app to download and run local models
llama.cpp
github.com
Run LLMs efficiently on almost any hardware
vLLM
vllm.ai
High-throughput open-source inference engine
OpenRouter
openrouter.ai
One API for hundreds of models
Replicate
replicate.com
Run open models in the cloud via API
Together AI
together.ai
Fast inference and fine-tuning for open models
Fireworks AI
fireworks.ai
Fast, production inference for open models
Groq
groq.com
Very fast inference on custom LPU chips
Cerebras
cerebras.ai
Wafer-scale chips for record inference speed
fal
fal.ai
Generative media APIs for image, video and audio
Baseten
baseten.co
Deploy and scale custom models
Modal
modal.com
Serverless GPUs for inference and training
RunPod
runpod.io
Affordable GPU cloud for AI workloads
Unsloth
unsloth.ai
Fine-tune open models faster with less memory
LangChain
langchain.com
LangChain and LangGraph for building agents
LlamaIndex
llamaindex.ai
Connect LLMs to your documents and data
Vercel AI SDK
ai-sdk.dev
TypeScript toolkit for AI apps
Mastra
mastra.ai
TypeScript framework for agents and workflows
Pydantic AI
ai.pydantic.dev
Type-safe Python agent framework
DSPy
dspy.ai
Program language models instead of prompting them
Pinecone
pinecone.io
Managed vector database for retrieval
Weaviate
weaviate.io
Open-source vector database
Qdrant
qdrant.tech
High-performance vector search engine
Chroma
trychroma.com
Open-source embedding database
Langfuse
langfuse.com
Open-source LLM tracing and evaluation
Weights & Biases
wandb.ai
Experiment tracking and LLM evaluation
Firecrawl
firecrawl.dev
Turn websites into LLM-ready data
Composio
composio.dev
Tool integrations and auth for AI agents
Smithery
smithery.ai
Registry for discovering MCP servers
Browserbase
browserbase.com
Headless browsers for AI agents
E2B
e2b.dev
Secure sandboxes for AI-generated code
AssemblyAI
assemblyai.com
Speech-to-text and audio intelligence API
Deepgram
deepgram.com
Real-time speech recognition and voice APIs
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Questions
What are the best models & apis AI tools?
Popular choices include OpenAI API, Claude API, Hugging Face, Ollama, Google AI Studio. The full list has 42 tools.
Are there free models & apis AI tools?
Yes. 29 of the 42 tools in this category are free, freemium or open source.