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Discover▾

Not sure where to start? This week’s hottest software, models and stacks in three minutes.

AI Apps▾

AI software people use: from assistants like ChatGPT to tools for coding, video and workflows, picked by purpose.

For Agents▾

Software for AI: tools that let your agent (Claude Code, Codex, Cursor…) browse, read docs, run code and remember.

Models▾

Choose models, estimate cost, self-host: prices, rankings, benchmarks, free tiers and compute.

Solutions▾

A goal or an error message? Ready-made stacks, steps and fixes by scenario.

Learn▾

A systematic course from zero to the frontier, with an algorithm library, must-read papers and tutorials.

Frontier▾

Daily AI news, weekly highlights, the latest papers and how AI is changing every discipline.

Free AI models

Free LLM APIs

Models you can call over an API at no cost: permanent free tiers, :free variants, limited-time promos and new-user credits.

70 available now 🕒 Last verified: 2026-10-22

ⓘ Free terms change often. Always confirm limits, data-use policy and regional availability on the official page before relying on a free tier.

Data updated: Free models(UTC+8)