OpenAI
o3-pro is a proprietary OpenAI llm model.
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Quality Score
1340
Arena ELO
Undisclosed
Parameters
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Context
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
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May 2025
Released
These are recent benchmark or leaderboard claims from official provider sources. They are useful for freshness and context, but they are not treated the same as normalized independent benchmark rows.
o3-pro Benchmark Update
Quality: 33.3/100 | Price: $35/M tokens | Output: 0 tok/s
View sourceIntroducing GPT-5.2
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
View sourceo3-pro Benchmark Update
Quality: 33.3/100 | Price: $35/M tokens | Output: 0 tok/s
View sourceo3-pro Benchmark Update
Quality: 33.3/100 | Price: $35/M tokens | Output: 0 tok/s
View sourceo3-pro Benchmark Update
Quality: 33.3/100 | Price: $35/M tokens | Output: 0 tok/s
View sourceo3-pro Benchmark Update
Quality: 33.3/100 | Price: $35/M tokens | Output: 0 tok/s
View source1340
ELO Score
1337 - 1345
95% Confidence
+/-4 points
19.4K
Battles
Jul 9, 2026
Last Updated
1218
ELO Score
1211 - 1225
95% Confidence
+/-7 points
46.7K
Battles
May 18, 2026
Last Updated