Claude Instant 1.2
Low-latency Claude model revision with improved mathematics, coding, reasoning, safety and jailbreak resistance.
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Why this model scores 38.8
The revision improved useful general capability at low latency. Hosted access and strengthened safety training kept misuse and control difficulty comparatively low.
News tied to Claude Instant 1.2
The model score of 38.8 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.
Anthropic releases Claude Instant 1.2
Anthropic released Claude Instant 1.2 with improvements in mathematics, coding, reasoning, safety and resistance to hallucination and jailbreaks.
- Full item contribution
- +0.06
- Claude Instant 1.2 equal share
- +0.06
Model score history
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R4
Doom Score 38.8
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 -
R3
Doom Score 38.8
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-142416 under temporal-monthly-pressure-v4.
12 Aug 2026 -
R2
Doom Score 40.5
Exact-version evidence chronology replayed after run doombench-hourly-news-20260812-132112 under fixed-sensitivity-v3.
12 Aug 2026 -
R1
Doom Score 43.5
New exact Claude Instant 1.2 profile.
12 Aug 2026