OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to...
Tested on 23 benchmarks · BenchGecko score 31.2. Top scores: Chatbot Arena Elo — Overall (1348.1%), MATH level 5 (96.5%), OTIS Mock AIME 2024-2025 (76.9%).
Llama 3.1 8B Instruct scores 30.7 (98% as good) at $0.02/1M input · 98% cheaper
Multi-language code editing from Aider. Tests editing ability across Python, JavaScript, TypeScript, Java, C++, Go, Rust, and more.
Computer-aided design evaluation. Tests understanding of CAD concepts, 3D modeling, and engineering design principles.
Unusual and adversarial machine learning challenges. Tests robustness of reasoning about edge cases in ML systems.
Abstraction and Reasoning Corpus. Tests fluid intelligence through novel visual pattern recognition puzzles. Core measure of general intelligence.
Deceptively simple questions that humans find easy but AI models often get wrong. Tests common sense and reasoning gaps.
ARC-AGI 2, harder sequel to ARC. More complex abstract reasoning patterns that test generalization ability beyond training data.
Competition-level math from AMC, AIME, and olympiad problems. Level 5 is the hardest tier, requiring creative problem-solving.
Mock AIME (American Invitational Mathematics Exam) problems from OTIS. Tests mathematical competition performance.
- Typetext
- Context200K tokens (~100 books)
- ReleasedJan 2025
- LicenseProprietary
- StatusActive
- Cost / Message~$0.007
Frequently Asked Questions
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Mistral Large · Mistral AIMeta Llama 3 8B Instruct · MetaLlama 3.1 8B Instruct · MetaLlama 3 70B Instruct · MetaStarCoder 2 15B · UnknownKey facts · as of 2026-10-05
- o3 Mini by OpenAI. BenchGecko score 31.2, rank 241 of 312 scored models (normalized average of public benchmark scores).
- List price $1.10 input · $4.40 output per 1M tokens (as of 2026-10-05).
- Sold by 1 provider (as of 2026-10-05): OpenAI $1.10 in / $4.40 out.
How to cite · data as of 2026-10-05
o3 Mini · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-05. https://benchgecko.ai/model/o3-mini
Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP