Describe the Bug I was trying to use Github Tool inside Cursor for use-cases like finding latest open PRs and summarizing them, or trying to understand what new features are getting developed (expecting it to check latest PRs/Issues) to understand. While Claude-4-Sonnet was able to quickly use tool,…

true i had auto mode fix problem in 1 try that gpt 5 took 10 mints and just made new problems

Yea it is basically unusable. Takes like 10-20x longer than any other model I have gotten when using Auto, and even with relatively simple requests it overthinks. Update: GPT-5 is a lot slower, but it does produce better results.

GPT-5 working horribly bad on Cursor

Support Bug Reports

deanrie (Dean Rie) August 8, 2025, 6:21pm 2

Hey, thanks for the report. We’ll work on improving this model’s performance soon.

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GPT-5 working horribly bad on Cursor

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