New mid-tier model optimized for agentic tasks at lower cost than Opus 4.8. Scores 63.2% on agentic coding (vs 58.1% for Sonnet 4.6), with improved safety features and lower hallucination rates.
Claude Sonnet 5 is Anthropic's first Sonnet model of their latest generation, delivering near-Opus intelligence at Sonnet pricing. Key improvements include stronger multi-step reasoning, improved code navigation, and enhanced agentic reliability for production workflows.
Anthropic has released Claude Sonnet 5 on Amazon Bedrock and Claude Platform on AWS. The model delivers what Anthropic describes as near-Opus intelligence while maintaining Sonnet-tier pricing, with promotional rates available through August 31, 2026.
Anthropic has released Claude Sonnet 5, its new mid-tier model optimized for agentic tasks, priced at $2 per million input tokens through August 31 before rising to $3/1M. The model scores 63.2% on agentic coding benchmarks, approaching Opus 4.8's 69.2% performance at a significantly lower price point.
Anthropic has released Claude Sonnet 5, replacing Sonnet 4.6 as its medium-sized model. The company claims improved agentic performance approaching Opus 4.8 levels while maintaining lower pricing at $2 per million input tokens and $10 per million output tokens through August 31.