Best coding model in the world
Anthropic's September 29, 2025 hybrid reasoning language-model release with strengths in coding, agentic tasks, and computer use.
Anthropic also lists prompt-caching rates for Sonnet 4.5 at $3.75/MTok for 5-minute cache writes, $6/MTok for 1-hour cache writes, and $0.30/MTok for cache hits & refreshes; batch processing is listed at $1.50/MTok input and $7.50/MTok output.
Anthropic's official pricing docs list Claude Sonnet 4.5 at $3 per million input tokens and $15 per million output tokens. The same Anthropic launch post for Sonnet 4.6 says pricing remains the same as Sonnet 4.5, starting at $3/$15 per million tokens.
