Claude Opus 4.5 just landed on Poe! It leads on 7 out of 8 programming languages on SWE-bench Multilingual and jumps 10.6% over Claude Sonnet 4.5 on Aider Polyglot. You can try it in the Poe app on all platforms and in the Poe API at: https://
poe.com/Claude-Opus-4.5.

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