Claude API raises max request size from 32MB to 128MB

ClaudeDevs · x · 2026-10-30

Anthropic officially raised the max request size for Messages and Token Counting on the Claude API from 32 MB to 128 MB (4x). Image-heavy requests like long computer-use sessions and large PDFs previously hit the 32 MB cap with context window still available.

Related event: Claude API Request Limit Quadrupled to 128MB(4 posts)→

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