O3 MINI
OpenAI's O3 MINI is a chat model capable of chain_of_thought, code_generation, extended_thinking, function_calling, and reasoning, with a notable context window of 200,000 tokens. It excels in mathematical reasoning, as evidenced by its top 25% scores in MATH-500 and AIME benchmarks.
Input
Output
Context
200K
Max Output
100K
Parameters
200B
Technical Specifications
Model TypeChat
Context Window200,000 tokens
Max Output Tokens100,000 tokens
Parameters200B
Release DateJan 17, 2025
Training CutoffOct 1, 2023
Licenseproprietary
Open SourceNo
Input Modalities
Text
Output Modalities
Text
Capabilities
Benchmarks
Artificial Analysis
8.7%
HLE
77.0%
AIME
74.8%
GPQA
39.9%
SciCode
97.3%
MATH 500
79.1%
MMLU Pro
17.9
Coding
71.7%
LiveCodeBench
19.0
Intelligence
176
Speed (tok/s)
7.1
TTFA (s)
7.1
TTFT (s)
Resources & Links
proprietary, Proprietary - API access only
Estimated GPU Requirements for O3 MINI
Estimates based on INT8 quantization. Actual requirements vary by framework and configuration.
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 24, 2026
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