OpenAI · Released Apr 16, 2025
o4 Mini
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive reasoning...
- Top 24%Aider Polyglot
- Top 28%VPCT
- Top 34%Fiction.LiveBench
- Released
- Apr 16 2025
- Context window
- 200K 100K out
- Input / 1M tokens
- $1.10
- Output / 1M tokens
- $4.40
Where to run it
Providers
Only OpenAI serves o4 Mini on OpenRouter right now.
| Provider | Input | Output | Cache read | Context | Max output | Uptime | vs. best |
|---|---|---|---|---|---|---|---|
| OpenAI | $1.10 | $4.40 | $0.28 | 200K | 100K | 100%24h | Cheapest |
Value
Price vs. performance
o4 Mini Other OpenAI Other labs Value frontier · GPQA Diamond vs. input price per 1M tokens (log scale) · Drag to pan, pinch or Ctrl + scroll to zoom, double-click to zoom in.
Benchmarks
20 benchmark scores
| Benchmark | Score | Rank | Leader |
|---|---|---|---|
| GSOSoftware engineering · Optimize real code to make it significantly faster | 3.6% | #21of 27 | Claude Fable 5.188.2% |
| Aider PolyglotSoftware engineering · Hard Exercism problems in many languages | 72.0% | #6of 26 | GPT-588.0% |
| METR time horizonSoftware engineering · Length of software task solved more often than not | 1.3 h | #12of 23 | Claude Opus 4.612 h |
| GDPvalAgents & computer use · Real-world occupational tasks, win rate vs experts | 25.3% | #7of 13 | GPT-5.249.7% |
| Lech Mazur WritingWriting & content · Short stories weaving 10 required elements, judged 0–10 | 7.50/10 | #18of 27 | GPT-58.60/10 |
| Fiction.LiveBenchWriting & content · Understanding long creative writing (16k tokens) | 77.8% | #8of 24 | GPT-597.2% |
| SimpleQA VerifiedWriting & content · Factual accuracy on 1,000 short questions | 19.6% | #69of 79 | Gemini 4 Argon76.0% |
| VPCTDesign & visual · Read diagrams of balls rolling down ramps | 57.5% | #5of 18 | GPT-5.284.0% |
| GeoBenchDesign & visual · Guess the country a photo was taken in | 64.0% | #11of 15 | Gemini 3 Flash Preview88.0% |
| GPQA DiamondReasoning & knowledge · PhD-level biology, chemistry and physics questions | 79.6% | #73of 122 | Gemini 4 Argon96.4% |
| Humanity's Last ExamReasoning & knowledge · Expert questions across 100+ subjects | 18.1% | #19of 32 | GPT-6 Astra54.8% |
| ARC-AGI-2Reasoning & knowledge · Few-shot abstract reasoning on grid puzzles | 6.1% | #53of 75 | GPT-6 Astra95.0% |
| ARC-AGI-1Reasoning & knowledge · Pattern induction from input–output examples | 58.7% | #54of 75 | Gemini 4 Argon98.5% |
| SimpleBenchReasoning & knowledge · Common-sense trick questions about space, time and people | 38.7% | #42of 58 | Claude Fable 581.9% |
| CritPtReasoning & knowledge · Open-ended, research-level physics problems | 0.6% | #85of 111 | GPT-5.6 Sol32.3% |
| Chess PuzzlesReasoning & knowledge · Find the single best move in 100 new puzzles | 22.0% | #55of 83 | GPT-6 Astra76.0% |
| LMCAReasoning & knowledge · Judge the quality of conceptual arguments like experts | 26.5% | #86of 123 | Claude Sonnet 5.568.3% |
| FrontierMathMaths · Expert-written problems, undergrad to early research (tiers 1–3) | 36.1% | #58of 87 | GPT-6.1 Sol93.7% |
| FrontierMath Tier 4Maths · Exceptionally hard research-level problems | 4.9% | #56of 64 | GPT-6.1 Sol100.0% |
| OTIS Mock AIMEMaths · Competition-style problems harder than MATH Level 5 | 81.7% | #71of 120 | Gemini 4 Argon100.0% |
Specs
Details
- Model ID
openai/o4-mini- Developer
- OpenAI
- Release date
- Apr 16, 2025 ·
- Context window
- 200,000 tokens
- Max output
- 100,000 tokens
- API price
- $1.10 / $4.40 per 1M input / output tokens
- Providers
- 1
- Input types
- image, text, file
- Reasoning
- Yes
- Tool calling
- Yes
- Open weights
- No
- Free tier
- No
Release date, prices and providers from OpenRouter's catalog; buying directly from a provider can cost a little differently. Uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.