Claude Sonnet 4.5
Anthropic's best value model with 70% SWE-bench. 0% error rate on internal code editing benchmarks. Best price-to-performance ratio for most use cases.
Pricing
Ratings
Pros
- Best value for money
- Excellent writing quality
- Fast response times
- Strong coding abilities
- Free tier available
Cons
- Not as powerful as Opus for complex tasks
- Usage limits on free tier
Benchmark Results
Best For
Daily coding tasks, writing, general use
Quick Info
- Provider
- Anthropic
- Version
- 4.5
- Released
- Sep 2025
- Context
- 200K tokens
Features
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