OpenAI releases o3 and o4-mini with agentic tool use
OpenAI released o3 and o4-mini in ChatGPT and its APIs with visual reasoning and agentic use of web search, Python, files, image generation and other tools, alongside a system card under its revised Preparedness Framework.
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Why it moved the index
Frontier reasoning combined with autonomous selection and composition of broadly consequential tools materially expands complex-task capability, deployment and misuse potential.
Assessment history
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R1
Toward 61 · confidence 97
New exact agentic reasoning-model release with no durable identity or event collision.
12 Aug 2026
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DoomBench assesses “OpenAI releases o3 and o4-mini with agentic tool use” as evidence moving toward doom, with magnitude 61 and confidence 97 out of 100 in the autonomy and agency category.
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The DoomBench assessment of “OpenAI releases o3 and o4-mini with agentic tool use” is based on reporting from OpenAI and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “OpenAI releases o3 and o4-mini with agentic tool use” as follows: OpenAI released o3 and o4-mini in ChatGPT and its APIs with visual reasoning and agentic use of web search, Python, files, image generation and...
https://www.doombench.com/news/openai-releases-o3-and-o4-mini-with-agentic-tool-use-2025-04-16