[BUG] API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.44.content.1.image.source.base64: image exceeds 5 MB maximum: 11641928 bytes > 5242880 bytes"},"request_id":"req_011CUtc4QmYXvDmHZ4aqQP5i"}

Resolved 💬 3 comments Opened Nov 7, 2025 by tenxengineer Closed Nov 11, 2025

Preflight Checklist

  • [x] I have searched existing issues and this hasn't been reported yet
  • [x] This is a single bug report (please file separate reports for different bugs)
  • [x] I am using the latest version of Claude Code

What's Wrong?

API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.44.content.1.image.source.base64: image exceeds 5 MB maximum: 11641928 bytes > 5242880 bytes"},"request_id":"req_011CUtc4QmYXvDmHZ4aqQP5i"} i get this error when i make screenshot from the screen and paste it with ctrl+v i tried to save this screenshot it size is just 200 kb

What Should Happen?

it should proceed the screenshot without issue

Error Messages/Logs

API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.44.content.1.image.source.base64: image exceeds 5 MB maximum: 11641928 bytes > 5242880 bytes"},"request_id":"req_011CUtc4QmYXvDmHZ4aqQP5i"}

Steps to Reproduce

I open the Claude code extension paste the image write the prompt it give me 400

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.0.35 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_

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