GPT-5.5 Pro
A higher-compute GPT-5.5 variant intended for the most difficult professional and scientific tasks.
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Why this model scores 79.4
Higher peak capability raises the risk profile, but narrower and more expensive access keeps deployment pressure below the standard GPT-5.5 model.
News tied to GPT-5.5 Pro
The model score of 79.4 rates this model's risk profile. The overall Doom Index of 66.8 measures the complete temporally weighted evidence record. These values answer different questions.
Each article's current Doom Index contribution is divided equally among the exact models named on that article. This prevents multi-model evidence from being claimed in full on several model pages. Model risk scores use a bounded temporal offset around their technical profile, but never feed back into the overall index.
OpenAI releases GPT-5.5 for agentic knowledge work
GPT-5.5 advanced agentic coding, knowledge work, science, and efficiency, with broader safeguards and external testing.
- Full item contribution
- +0.25
- GPT-5.5 Pro equal share
- +0.12
Model score history
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R5
Doom Score 79.4
Source-backed model availability audit using the model's existing primary or authoritative catalogue evidence. Exact-version evidence chronology replayed under temporal-monthly-pressure-v4.
12 Aug 2026 -
R4
Doom Score 79.4
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-142416 under temporal-monthly-pressure-v4.
12 Aug 2026 -
R3
Doom Score 79.6
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-132112 under fixed-sensitivity-v3.
12 Aug 2026 -
R2
Doom Score 80.2
Full-corpus evidence recalculated after run intensive-backfill-20260811-191225 under bounded-corpus-v2.
11 Aug 2026 -
R1
Doom Score 79.4
Initial source-backed model assessment
11 Aug 2026