OpenAI
Fast, cost-efficient reasoning model in the o-series. Balances strong STEM performance with lower inference cost and adjustable reasoning effort.
47.0
Quality Score
1363
Arena ELO
Undisclosed
Parameters
200K
Context
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0
Downloads
0
Likes
Apr 2025
Released
Launches
3
Benchmarks
7
Research
1
General
5
Recent launch, pricing, benchmark, and API signals linked to this model or its provider.
Arena-Hard-Auto official Gemini-2.5 judged score 74.6 with CI -1.8/1.6
Now in preview: The ChatGPT desktop app for Linux. Use ChatGPT, ChatGPT Work, and Codex where you already work and build, with your projects and browser workflows on supported Linux systems. https://t.co/OtsPt5N5QC
View sourceArena-Hard-Auto official Gemini-2.5 judged score 74.6 with CI -1.8/1.6
View sourceArena-Hard-Auto official Gemini-2.5 judged score 79.1 with CI -1.4/1.2
View sourceAs models become more capable, the risks associated with developing and testing them internally also grow. We temporarily paused reinforcement learning (RL) training on our latest models intended for deployment for two weeks while we hardened and red-teamed our research
ChatGPT can now remember your activity across the apps and websites on your computer. With Computer History in the desktop app, future interactions feel more personalized and require less explanation. https://t.co/WHZPxPp31R

Now in preview: The ChatGPT desktop app for Linux. Use ChatGPT, ChatGPT Work, and Codex where you already work and build, with your projects and browser workflows on supported Linux systems. https://t.co/OtsPt5N5QC
Arena-Hard-Auto official Gemini-2.5 judged score 79.1 with CI -1.4/1.2
SWE-Bench Verified resolved rate 45.0
LiveCodeBench pass@1 77.4 across 1055 tasks
Introducing GPT-5.2 | OpenAI Skip to main content Research Products Business Developers Company Foundation (opens in a new window) Log in Try ChatGPT (opens in a new window) Research Products Business Developers Company Foundation (opens in a new window) Try ChatGPT (opens in a new window) Login OpenAI December 11, 2025 Product Release Introducing GPT‑5.2 The most advanced frontier model for professional work and long-running agents. Loading… Share Model performance Model per
Introducing OpenAI o3 and o4-mini | OpenAI Skip to main content Research Products Business Developers Company Foundation (opens in a new window) Log in Try ChatGPT (opens in a new window) Research Products Business Developers Company Foundation (opens in a new window) Try ChatGPT (opens in a new window) Login OpenAI April 16, 2025 Release Product Introducing OpenAI o3 and o4-mini Try on ChatGPT (opens in a new window) Loading… Share What’s changed What’s changed Continuing to