Been testing claudeai design along with the Opus 5.5 model for the last few days, and man, I have to say — it really cooked.
Took an hour, logo design, idea explanation, and 5 prompts for a little tweak here and there to complete this. Thanks to MengTo for the really great
Imagine MCP is inside Claude Sonnet 5.5.
Explain like I'm 13? Easy. Sonnet 5.5 is the most agentic Sonnet yet, and a faster, lower-cost complement to Opus 5.5. You use it for everyday stuff. Opus 5.5 orchestrates everything. Sonnet 5.5 takes care of the small, specific tasks.
Anthropic just changed the AI coding game.
Claude Sonnet 5.5 scored 70.6% on Terminal-Bench 4.0, beating Opus 5.5 and Sonnet 5. It can even play Pokémon Red using screenshots alone. 30% faster. Up to 30% cheaper. The future of AI coding is here.
Claude Sonnet 5.5 is out.
30%+ faster than Sonnet 5, up to 30% cheaper for most work, and the same $2/$10 per million tokens. Anthropic's pick for everyday coding and docs. Opus 5.5 stays for the hard stuff.
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