o3 Mini by OpenAI demonstrates strong general intelligence, solid coding performance, outstanding mathematical reasoning. View detailed benchmark data including scores across coding, math, reasoning, speed, and cost metrics.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
General Benchmarks
Massive Multitask Language Understanding professional benchmark
HuggingFace LeaderboardHuman preference ELO from blind head-to-head votes
LMSYS / HuggingFaceCoding Benchmarks
Math Benchmarks
Reasoning Benchmarks
Speed Benchmarks
Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 17 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 4 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| Poe | $0.99 | $4 | — | 200K | — |
| Abacus | $1.1 | $4.4 | $0.55 | 200K | — |
| Azure | $1.1 | $4.4 | $0.55 | 200K | Supported |
| Azure Cognitive Services | $1.1 | $4.4 | $0.55 | 200K | — |
| Cloudflare AI Gateway | $1.1 | $4.4 | $0.55 | 200K | — |
| DevPass (LLM Gateway) | $1.1 | $4.4 | $0.55 | 200K | — |
| Eden AI | $1.1 | $4.4 | $0.55 | 200K | — |
| Impossibl | $1.1 | $4.4 | $0.55 | 200K | — |
| Jiekou.AI | $1.1 | $4.4 | — | 131K | — |
| Kilo Gateway | $1.1 | $4.4 | $0.55 | 200K | — |
| LLM Gateway | $1.1 | $4.4 | $0.55 | 200K | — |
| Merge Gateway | $1.1 | $4.4 | $0.55 | 200K | — |
| NEAR AI Cloud | $1.1 | $4.4 | $0.55 | 200K | — |
| OpenAI | $1.1 | $4.4 | $0.55 | 200K | Supported |
| OpenRouter | $1.1 | $4.4 | $0.55 | 200K | Supported |
| Vercel AI Gateway | $1.1 | $4.4 | $0.55 | 200K | Supported |
| AnyAPI | — | — | — | 200K | — |
o3 Mini — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare o3 Mini With
o3 Mini — Frequently Asked Questions
How intelligent is o3 Mini?
o3 Mini scores 1320 on the Chatbot Arena ELO rating, making it a mid-tier AI model. This score is based on blind head-to-head human preference voting.
How much does o3 Mini cost?
o3 Mini costs $1.1 per 1M input tokens and $4.4 per 1M output tokens. This is mid-range pricing for its capability level.
How fast is o3 Mini?
o3 Mini generates output at 100 tokens per second, which is moderate compared to other models. The time to first token is 400 ms.
How good is o3 Mini at coding?
o3 Mini achieves 50.0% on SWE-bench Verified, demonstrating strong real-world software engineering capability. This benchmark tests the model's ability to resolve actual GitHub issues.
How good is o3 Mini at math and reasoning?
o3 Mini scores 93.0% on the MATH benchmark (competition-level mathematics). It also achieves 77.0% on GPQA Diamond, a graduate-level science reasoning benchmark.
What is the context window of o3 Mini?
o3 Mini has a context window of 200K tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created o3 Mini?
o3 Mini was created by OpenAI. It is classified as a mid model in our catalogue.
Is o3 Mini open source?
No, o3 Mini is a proprietary model. It is available through OpenAI's API and compatible providers.