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Announcement

GPT-5.5 moves to rank 8 on August 9 2026

· 1 day ago

GPT-5.5 moved from rank 12 to rank 8 with a Vibe Coding Index of 61.6.

GPT-5.5 has moved into the verified tier on the leaderboard, marking a notable shift in the standings.

The refresh uses Artificial Analysis capability data through OpenRouter and Arena Code WebDev results captured August 7 2026 and August 5 2026. Preliminary source results stay marked tentative.

See the live AI coding benchmark leaderboard and read the scoring method.

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GPT-5.6 Sol moves to rank 5 on August 10 2026

GPT-5.6 Sol moved from rank 3 to rank 5 with a Vibe Coding Index of 67.5.

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The practical takeaway product sunsets require a migration check, agent-safety reports require tighter permissions and containment.

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thevibefather.com https://thevibefather.com/blog/uk-aisi-unsanctioned-agent-behavior-cyber-testing
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thevibefather.com https://thevibefather.com/blog/anthropic-fable-5-biology-safeguards-update