OpenAI
OpenAI's fifth-generation flagship language model. Delivers substantially improved intelligence and capability over GPT-4o across reasoning, coding, and creative tasks.
OpenAI's fifth-generation flagship language model.
55.7
Quality Score
1148
Arena ELO
Undisclosed
Parameters
128K
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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Sep 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.
gpt-5 - SWE-Bench Verified
SWE-Bench Verified resolved rate 75.6
View sourceGPT-5.6: Frontier intelligence that scales with your ambition
GPT-5.6: Frontier intelligence that scales with your ambition | 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 July 9, 2026 Product Release GPT‑5.6: Frontier intelligence that scales with your ambition More intelligence from every token, stronge
View sourceGPT-5.6: Frontier intelligence that scales with your ambition
GPT-5.6: Frontier intelligence that scales with your ambition | 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 July 9, 2026 Product Release GPT‑5.6: Frontier intelligence that scales with your ambition More intelligence from every token, stronge
View sourceGPT-5.6: Frontier intelligence that scales with your ambition
GPT-5.6: Frontier intelligence that scales with your ambition | 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 July 9, 2026 Product Release GPT‑5.6: Frontier intelligence that scales with your ambition More intelligence from every token, stronge
View sourceIntroducing GPT-5.1 for developers
Introducing GPT-5.1 for developers | 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 November 13, 2025 Product Introducing GPT‑5.1 for developers Loading… Share Efficient reasoning across tasks Efficient reasoning across tasks Adaptive reasoning
View sourceIntroducing GPT‑5 for developers
Introducing GPT‑5 for developers | 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 August 7, 2025 Product Introducing GPT‑5 for developers The best model for coding and agentic tasks. Loading… Share Introduction Introduction Coding Frontend engin
View source1148
ELO Score
1137 - 1159
95% Confidence
+/-11 points
4.0K
Battles
Aug 14, 2026
Last Updated