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Capability gains

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.

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CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM72confidence 93/100

Why it moved the index

Higher performance and lower cost expanded the set of professional tasks AI could perform and made sustained agentic use more economically practical.

Assessment history

  1. R1
    Toward 72 · confidence 93

    Initial source-backed launch assessment

    11 Aug 2026

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  1. DoomBench assesses “OpenAI releases GPT-5.5 for agentic knowledge work” as evidence moving toward doom, with magnitude 72 and confidence 93 out of 100 in the capability gains category.

  2. The DoomBench assessment of “OpenAI releases GPT-5.5 for agentic knowledge work” is based on reporting from OpenAI and records the editorial rationale, source quality, attribution, and revision history.

  3. DoomBench summarizes “OpenAI releases GPT-5.5 for agentic knowledge work” as follows: GPT-5.5 advanced agentic coding, knowledge work, science, and efficiency, with broader safeguards and external testing.

    https://www.doombench.com/news/openai-releases-gpt-5-5