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OpenAI o3-mini

STEM Reasoning & Coding Specialist
Official Source & Paper
OpenAI logo OpenAI 📄 Proprietary API 🌍 United States (US) 🗓️ Effective Date: 31.01.2025

Cost-effective reasoning model offering selectable effort settings (low, medium, high) with world-class performance on competitive STEM benchmarks.

Model Size / Parameters Proprietary Compact MoE Architecture: STEM Reasoning & Coding Specialist
Context Window (Input) 200k tokens Token Capacity
Max Output Tokens 100k tokens Single Generation Limit
Supported Modalities Text, Code Native Multimodal Ingestion
License & Access Proprietary API Open Weights vs. API
Release Date January 2025 Effective Date: 31.01.2025

Verified Benchmark Results

Standardized academic and industry evaluation benchmarks (Effective Date: 31.01.2025).

MMLU-Pro / 5-Shot General Intellect
86.9%
SWE-bench Verified Software Engineering
49.3%
MATH 500 / AIME Mathematical Reasoning
97.9%
GPQA Diamond Doctoral Science
79.7%
HumanEval / Python Algorithm Synthesis
92.0%

Pricing & Cost Efficiency

Official API token pricing and self-hosted licensing terms.

Input Pricing (Prompt)
$1.10 / 1M tokens
Per 1 million processed tokens
Output Pricing (Generation)
$4.40 / 1M tokens
Per 1 million generated tokens
Verified Datasheet: Source: OpenAI Research Documentation • Effective Date: 31.01.2025
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