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API price pages
- Cheapest AI agent API prices
- Anthropic Claude Fable 5.1 API price
- Anthropic Claude Opus 5.5 API price
- Anthropic Claude Opus 5 API price
- Anthropic Claude Sonnet 5.5 API price
- Anthropic Claude Sonnet 4.6 API price
- Anthropic Claude Haiku 5.5 (prompts ≤100K) API price
- Anthropic Claude Haiku 4.5 API price
- OpenAI gpt-6-astra (≤272K ctx) API price
- OpenAI gpt-6.1-sol (≤272K) API price
- OpenAI gpt-6-luna (≤272K) API price
- OpenAI gpt-5.6-sol (≤272K) API price
- OpenAI gpt-5-mini API price
- OpenAI gpt-5.3-codex API price
- Google gemini-4-argon (paid) API price
- Google gemini-3.8-flash (paid) API price
- Google gemini-3.5-flash-lite API price
- Google gemini-2.5-pro (≤200K) API price
- Google gemini-2.5-flash API price
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