Learn AI for free
Play-along lessons on how AI works, guides to claiming free AI tools, keys and student plans, and free AI courses - checked against official sources.
Type a sentence and watch it go through the machine, then 3-minute answers you can play with: tokens, attention, temperature and more. No sign-up.
23 free courses from AI labs and universities, beginner to advanced - with length and whether the certificate is free.
The free AI landscape by the numbers, computed live from the catalog: free credits, card rules, startup programs, uptime and free models.
Step-by-step guides
Create a free Gemini API key in Google AI Studio: which models are free, how rate limits work, and why free-tier prompts may be used by Google.
Eligible U.S. college students can get 4 free months of ChatGPT Plus via SheerID if they claim by October 31, 2026. Steps, card rules and renewal.
U.S. college students can get one year of Google AI Pro free with SheerID verification. Redeem by Dec 31, 2026; renews at $19.99/month after.
Run the Cline coding agent in VS Code for free with Cline's FREE-tagged models or an OpenRouter :free model. Setup steps and the real limits.
Free GPU options for AI: Kaggle's 30 GPU hours a week, Hugging Face ZeroGPU's daily minutes, and Google Colab's free tier. Setup and limits.
Who qualifies for startup credits from Anthropic, OpenAI, AWS, Together AI, fal and GitHub, what each application asks for, and the catches.
New Claude Console accounts get a small free API credit. How to claim and stretch it, and when Claude for Startups or AI for Science credits fit.
Get a free Groq API key with no card: create it in GroqCloud, call GPT-OSS or Qwen models, and work within the Free plan rate limits.
Make AI images free with Bing Image Creator's 15 fast daily creations, or test image models by API with Replicate's free runs. Steps, limits and rules.
OpenAI has no free API tier or signup credit. The real routes: startup and student programs, free ChatGPT, and the open gpt-oss models on free APIs.
Five verified free embedding and rerank APIs for RAG - Voyage AI, Jina, Cohere, Mistral, Gemini - with free tokens, limits, card rules and catches.
Six verified free TTS APIs - ElevenLabs, Cartesia, Amazon Polly, Deepgram, Hume AI, Sarvam - with free characters, concurrency, card rules and catches.
Seven verified free speech-to-text APIs - Deepgram, AssemblyAI, Speechmatics, Gladia, Groq, Cartesia, Scaleway - with free hours, rate limits and catches.
Five verified free AI video generators - fal, Hailuo, Leonardo, Runway, Vidu - with free clips, resets, watermarks and commercial-use rules.
Five verified ways to call an image model for free - Stability AI, Replicate, OVHcloud SDXL, Pollinations, YepAPI - with credits, rate limits and licenses.
Four verified free web search APIs for AI agents and RAG - Exa, Firecrawl, Jina Reader, Tavily for students - with searches per month and rate limits.
Seven free vector database tiers for RAG compared - Qdrant, Zilliz, Weaviate, Upstash, Vectorize, Supabase, Turso - with real vector limits and the catch.
DeepSeek’s own API is pay-as-you-go, half price off-peak. Seven providers run DeepSeek V4 Flash models free, with real limits, model IDs and the catch.
How OpenRouter :free models work: 20 requests a minute, 50 a day or 1,000 after 10 credits, free chat and embedding models, privacy settings and API calls.
Free Hugging Face accounts get no monthly inference credits. What is still free: ZeroGPU minutes, Spaces as APIs, your own provider key, and PRO.
15 free AI APIs that need no credit card: LLM chat, embeddings, image and speech, with the free limits and what you give up instead (data, phone, use).
Know when a free AI tier you rely on changes or ends: email alerts, RSS, the changes API, signed webhooks, a CI check and MCP, with their real delays.