GPT-4o (2024-11-20)

Reasoning

—

Knowledge cutoff

Oct 2023

Family

gpt

Model ID

gpt-4o-2024-1120

Not stated on OpenAI’s pages: max input, reasoning efforts, reasoning can be off, max thinking budget, built-in tools, aliases.

• Epoch AI · GPQA Diamond 47.9%

  #132 of 168 listed models · ±2.63

• Epoch AI · MATH Level 5 49.8%

  #40 of 64 listed models · ±1.11

• Epoch AI · OTIS Mock AIME 2024–2025 6.3%

  #141 of 159 listed models · ±2.42

• Epoch AI · SWE-bench Verified 31%

  #30 of 30 listed models · ±2.1

• Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 7 – Nov 4, 2026
• changes we made

1. Oct 14, 2026 Available → Deprecated

• Azure OpenAI pricing (opens in a new tab) azure.microsoft.com · checked Nov 8, 2026
• Changelog | OpenAI API (opens in a new tab) developers.openai.com · checked Nov 9, 2026
• Deprecations (opens in a new tab) developers.openai.com · checked Nov 8, 2026
• GPT-4o (opens in a new tab) developers.openai.com · checked Nov 9, 2026
• GPT-4o (2024-11-20) model (opens in a new tab) developers.openai.com · checked Nov 5, 2026
• models.dev: openai/gpt-4o-2024-11-20 (community data, MIT) (opens in a new tab) github.com · checked Oct 15, 2026

OpenAI’s official policies: data use, privacy, terms →

Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data

OpenAI · United States · openai.com

Snapshots, the same family and other models from this provider

• GPT-4o
• GPT-4o (2024-08-06)
• GPT-4o (2024-05-13)
• GPT-5.5
• GPT-5.4
• GPT-5.2
• GPT-4.1
• GPT-4.1 (2025-04-14)