openrouter¶
https://openrouter.ai/openrouter/free - 200K Context Length | https://openrouter.ai/compare/openrouter/free/openrouter/auto
opencode¶
- API key: https://opencode.ai/auth
- Free: https://opencode.ai/docs/zen/#pricing
gemini¶
https://ai.google.dev/gemini-api/docs/pricing
copilot¶
https://github.com/features/copilot/plans