Claude Sonnet 4.6
Anthropic's best value model. 79.6% SWE-bench, 72.5% OSWorld — near-Opus performance at 40% less cost. Extended thinking with streaming.
Pricing
Ratings
Pros
- 79.6% SWE-bench — near-Opus performance
- 72.5% OSWorld — excellent agentic scores
- 40% cheaper than Opus 4.6
- Fast response times
- Free tier available
Cons
- Slightly behind Opus on hardest tasks
- Limited free tier messages
Benchmark Results
Best For
Production coding, daily writing, cost-effective AI deployment
Quick Info
- Provider
- Anthropic
- Version
- 4.6
- Released
- Feb 2026
- Context
- 200K tokens
Features
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