Anthropic: Claude Sonnet 4

Claude Sonnet 4 is Anthropic's mid-tier text and vision model, accepting image, text, and file inputs with a 1,000,000-token context window and up to 64,000 tokens of output per response. It supports tool use and reasoning, which makes it usable for agentic workflows and multi-step tasks. Structured output support is not confirmed in available specifications. At $3.00 per million input tokens and $15.00 per million output tokens, it sits in a competitive range for capable hosted models, though the output cost is notable for high-volume use. Its blended benchmark score of 66.7 spans only three benchmarks, so performance claims should be treated as preliminary rather than well-established. Teams doing code generation, document analysis, or reasoning-heavy workflows on moderate budgets are the clearest candidates, but buyers needing structured output guarantees or broader benchmark validation should compare alternatives before committing.