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o3

Published
Dec 20, 2024

o3 is an AI model developed by OpenAI (United States), first published in December 2024. It works in the language, vision and multimodal domain, on tasks such as language modeling/generation, question answering, quantitative reasoning and 5 more.

Epoch AI has no training-compute estimate for this model.

Access: API access. Its weights are not openly released.

Full record
Organization
OpenAI
Country of organization
United States
Domain
Language, Vision, Multimodal
Task
Language modeling/generation, Question answering, Quantitative reasoning, Code generation, Visual question answering, Search, Instruction interpretation, Visual puzzles
Model accessibility
API access
Open weights
No
Benchmark results
01Epoch Capabilities IndexECI Score147.1
More from OpenAI
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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