anthropic/claude-sonnet-5
Claude Sonnet 5 is Anthropic's most capable Sonnet model yet, built for coding, agents, and professional work at scale. It brings near-Opus intelligence to the model teams run at scale every day, with the same balance of capability, cost, and speed teams already rely on Sonnet for.

claude-sonnet-5
Test OpenAI chat completion requests live directly with WhollyAPI serverless API.