ClaudeDevs(@ClaudeDevs):We've raised the max request size for Messages and Token Counting on the Claude API from 32 MB to 128 MB. Image-heavy requests like long computer-use sessions and big PDFs were previously hitting 32 MB with plenty of context window left. Now you get ~4x more room.

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Official updates for developers building with @ClaudeAI

加入 February 2026

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ClaudeDevs@ClaudeDevs

2026.10.29 21:49

We've raised the max request size for Messages and Token Counting on the Claude API from 32 MB to 128 MB. Image-heavy requests like long computer-use sessions and big PDFs were previously hitting 32 MB with plenty of context window left. Now you get ~4x more room.

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