Aprende IA gratis
Lecciones interactivas sobre cómo funciona la IA, guías para conseguir herramientas, claves de API y planes de estudiante de IA gratis, y cursos gratuitos.
Las páginas marcadas English aún no están traducidas y se abren en inglés. Sus cifras se comprueban en las páginas oficiales.
Escribe una frase y mírala pasar por la máquina, luego respuestas de 3 minutos para probar: tokens, atención, temperatura y más. Sin registro.
23 cursos gratuitos de laboratorios de IA y universidades, de principiante a avanzado, con su duración y si el certificado es gratis.
El panorama de la IA gratuita en cifras, calculado en vivo desde el catálogo: créditos gratis, tarjeta exigida, programas para startups, uptime y modelos gratis.
Guías paso a paso (en inglés)
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.
What ChatGPT Plus adds, what ChatGPT Free already gives you, and which verified free plans cover image generation, voice, projects and more.
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.
Run open AI models on your own computer for free with Ollama, LM Studio or llama.cpp: install commands, which model fits your RAM, and the catch.
Where image input is free: the Gemini API free tier, Groq’s Free plan and OpenRouter :free models. Limits, official code, and how to cut image tokens.
Call a thinking model for free: Gemini 3.8 Flash, Groq’s GPT-OSS and Qwen 3.8, OpenRouter :free models. Limits, thinking on/off and token cost.
Free translation API tiers compared: Azure 2M characters a month, Google 500K, Amazon 2M for 12 months, DeepL 1M one-time, plus free LLM APIs.
Free AI for teachers: ChatGPT and Claude for Teachers (U.S. K-12), Google, Microsoft, Canva and Adobe school plans, and what to keep out of free chatbots.
A tool-calling AI agent on free tiers only: which free LLM APIs accept tools, free web search and vector databases, a free host, and a config to copy.
Which nonprofit AI programs are free (Google Workspace, Microsoft 365, Azure, Canva) and which are discounts (ChatGPT, Claude), plus how Goodstack verifies.
What students really get free from GitHub Copilot, JetBrains AI, Cursor, Windsurf (now Devin), Antigravity, Zed and Kiro, with limits and how to verify.
Fine-tune a small open model on a free GPU: Kaggle 30 hours a week, Colab sessions, Unsloth QLoRA and how much VRAM each model size needs, with sources.
Which free LLM APIs handle Vietnamese best: SEA-HELM and VMLU scores for Gemini Flash, Gemma 4, Qwen, SEA-LION and Vistral, matched to real free tiers.
What the free plans of ChatGPT, Gemini, Claude, Notion AI, Grammarly and Microsoft Copilot really allow for writing, with limits read on vendor pages.
Which free AI chatbots answer without an account in 2026 (Duck.ai, ChatGPT, Gemini, Perplexity) and which now need a login, with limits from vendor pages.