← Back to Ai Api

Best Free Ai Api Tools

23 of 23 ai api tools offer free tiers

A
Anthropic
Free tier available
AI API platform offering Claude models for text generation, coding, analysis, and agentic tasks
Switching Cost: moderate
B
Baseten
Free tier available
ML inference platform for deploying and scaling AI models with GPU access and auto-scaling
Switching Cost: moderate
B
Braintrust
Free tier available
AI evaluation and observability platform with evals, scoring, datasets, and prompt playground
Switching Cost: moderate
C
Cerebras
Free tier available
Ultra-fast AI inference platform with custom wafer-scale chips, 20x faster than conventional GPU inference
Switching Cost: drop-in
C
Cohere
Free tier available
Enterprise AI platform with Command language models, embeddings, and reranking APIs
Switching Cost: moderate
D
DeepSeek
Free tier available
High-performance AI inference API offering DeepSeek-V3 and reasoning models at competitive prices
Switching Cost: drop-in
D
Dify
Free tier available
Open-source LLM app development platform with visual workflows, RAG, agent orchestration, and triggers
Switching Cost: moderate
F
Fireworks AI
Free tier available
High-speed inference platform for open-source and fine-tuned models with tiered token pricing
Switching Cost: drop-in
G
Google AI
Free tier available
AI API platform offering Gemini models for text, code, multimodal, and reasoning tasks with generous free tiers
Switching Cost: moderate
G
Groq
Free tier available
Ultra-fast AI inference platform powered by custom LPU hardware, offering open-source models at low latency
Switching Cost: drop-in
H
Helicone
Free tier available
LLM observability platform with request logging, analytics, caching, and rate limiting
Switching Cost: drop-in
L
LangSmith
Free tier available
LLM observability and evaluation platform by LangChain with tracing, testing, prompt management, and deployment
Switching Cost: moderate
L
Lunary
Free tier available
Open-source LLM observability and analytics platform with traces, evaluations, and prompt management
Switching Cost: drop-in
M
Mistral
Free tier available
European AI API platform offering open-weight and proprietary models with GDPR-compliant EU hosting
Switching Cost: drop-in
M
Modal
Free tier available
Serverless cloud for AI/ML workloads with GPU access, cron jobs, and web endpoints
Switching Cost: significant
O
OpenAI
Free tier available
AI API platform offering GPT and reasoning models for text generation, code, and multimodal tasks
Switching Cost: moderate
O
OpenRouter
Free tier available
Unified API gateway to 300+ AI models from 60+ providers with automatic routing and fallback
Switching Cost: moderate
P
Perplexity
Free tier available
AI-powered search engine with real-time web search, citations, and Sonar API for developers
Switching Cost: moderate
P
Portkey
Free tier available
AI gateway and observability platform with routing, caching, guardrails, and prompt management
Switching Cost: moderate
R
Replicate
Free tier available
Run open-source AI models via API with per-second or per-token billing across GPUs
Switching Cost: moderate
R
RunPod
Free tier available
GPU cloud platform for AI inference and training with serverless endpoints and on-demand pods
Switching Cost: moderate
T
Together AI
Free tier available
Fast inference API for 200+ open-source models with pay-per-token pricing
Switching Cost: drop-in
Z
Zep
Free tier available
Long-term memory and knowledge graph platform for AI agents and LLM applications
Switching Cost: significant

Related Guides

Category
Browse Ai Api
All Guides
All Pricing Guides