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.
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Why it moved the index
The deployed low-latency model gained meaningful general capability while safety training and centralized API access constrained misuse and control difficulty.
Assessment history
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R1
Toward 38 · confidence 96
New August 2023 exact hosted-model release.
12 Aug 2026
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DoomBench assesses “Anthropic releases Claude Instant 1.2” as evidence moving toward doom, with magnitude 38 and confidence 96 out of 100 in the capability gains category.
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The DoomBench assessment of “Anthropic releases Claude Instant 1.2” is based on reporting from Anthropic and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “Anthropic releases Claude Instant 1.2” as follows: Anthropic released Claude Instant 1.2 with improvements in mathematics, coding, reasoning, safety and resistance to hallucination and jailbreaks.
https://www.doombench.com/news/anthropic-releases-claude-instant-1-2-2023-08-09