Claude Sonnet 4.6 by Anthropic
Claude Sonnet 4.6 is Anthropic's workhorse Sonnet: frontier-level coding and agent performance at a mid-tier price. It is a common pick when you want strong results without jumping to Opus, and it pairs well against GPT-5.4 and faster Gemini models.
Specs
| Context window | 1M tokens |
|---|---|
| Max output | 128K tokens |
| Input modalities | file, image, text |
| Output modalities | text |
| Price (input) | $3.00 / 1M tokens |
| Price (output) | $15.00 / 1M tokens |
| Knowledge cutoff | May 2025 |
| Web search | Yes |
| Vision | Yes |
| Thinking | Yes |
Related models
Last updated 2026-10-31 from the CompareIntel model registry and an OpenRouter spec snapshot dated 2026-10-25. Pricing and context figures follow OpenRouter.