# o1 vs o4-mini

> o1 and o4-mini score almost the same on the Noometry Index (40.9 vs 41.6), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/o1-vs-o4-mini
- Last updated: 2026-10-11
- Shared benchmarks: 41

## Summary

- They share 41 benchmarks with published results for both. o1 scores higher in 5 categories and o4-mini in 5 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in agentic & tool use, where o4-mini leads 32.6 to 24.6.
- The biggest single-benchmark swing is ARC-AGI-1: 30.7% for o1 and 58.7% for o4-mini.
- o4-mini is cheaper at $1.10 / $4.40 per million input/output tokens, against $15 / $60 for o1.

## Snapshot

| | o1 | o4-mini |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Noometry Index | 40.9 | 41.6 |
| Rank | 143 | 132 |
| Context | 200K | 200K |
| Input $/M | $15 | $1.10 |
| Output $/M | $60 | $4.40 |
| Weights | Proprietary | Proprietary |

## Coding

- o1: 46.1 (#70)
- o4-mini: 40.9 (#127)

| Benchmark | o1 | o4-mini |
|---|---|---|
| Aider Polyglot | 61.7% | 72% |
| WeirdML | 47.6% | 52.6% |
| LMArena Coding | 1367 | 1368 |
| CadEval | 56% | 62% |
| SWE-bench Verified (bash only) | — | 45% |
| GSO | — | 3.6% |
| LiveBench Coding | 69.7% | — |
| ALE-Bench | — | 826.17 |
| AlgoTune | — | 1.72 |
| HumanEval+ | 89% | — |
| MBPP+ | 80.2% | — |

## Agentic & Tool Use

- o1: 24.6 (#117)
- o4-mini: 32.6 (#61)

| Benchmark | o1 | o4-mini |
|---|---|---|
| METR Time Horizons | 51.1% | 63.9% |
| Berkeley Function Calling Leaderboard | — | 53.2% |
| GDPval | — | 25.3% |
| Cybench | 10% | — |

## Reasoning

- o1: 27.9 (#111)
- o4-mini: 24.6 (#162)

| Benchmark | o1 | o4-mini |
|---|---|---|
| SimpleBench | 41.7% | 38.7% |
| ARC-AGI-1 | 30.7% | 58.7% |
| Chess Puzzles | 15% | 26% |
| EnigmaEval | 5.7% | 9.2% |
| LMArena Hard Prompts | 1371 | 1351 |
| DTBench | 74.7% | 77.6% |
| LMCA | 22.3% | 26.5% |
| Epoch Capabilities Index | 141.91 | 145.64 |
| ARC-AGI-2 | — | 6.1% |
| Kagi LLM Benchmark | — | 67.6% |
| CritPt | — | 0.6% |
| LiveBench Reasoning | 91.6% | — |
| Mystery Game Puzzles | — | 5% |
| LiveBench Data Analysis | 65.5% | — |
| ForecastBench | — | 61.8 |
| LiveBench | 75.7% | — |

## Math

- o1: 36.1 (#175)
- o4-mini: 40.8 (#89)

| Benchmark | o1 | o4-mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | 14.7% | 36.1% |
| OTIS Mock AIME 2024-2025 | 73.3% | 81.7% |
| LMArena Math | 1388 | 1389 |
| MATH Level 5 | 94.7% | 97.8% |
| FrontierMath (Feb 2025 set) | 9.3% | 24.8% |
| FrontierMath Tier 4 | — | 4.9% |
| Omni-MATH | — | 72% |
| LiveBench Math | 80.3% | — |
| FrontierMath Tier 4 (v1) | — | 6.3% |

## Knowledge

- o1: 41.5 (#110)
- o4-mini: 43.6 (#91)

| Benchmark | o1 | o4-mini |
|---|---|---|
| GPQA Diamond | 76.8% | 79.6% |
| Humanity's Last Exam | 8% | 18.1% |
| SimpleQA Verified | 41.1% | 19.6% |
| Confabulations | 11.7% | 15.8% |
| LMArena Expert | 1361 | 1343 |
| MMLU-Pro | — | 82% |
| Vectara Hallucination Rate | — | 18.6% |
| GPQA (HELM) | — | 73.5% |

## Multimodal

- o1: 34.2 (#93)
- o4-mini: 40.2 (#49)

| Benchmark | o1 | o4-mini |
|---|---|---|
| LMArena Vision | 1168 | 1194 |
| GeoBench | 80% | 64% |
| VPCT | 37% | 57.5% |
| SpatialViz-Bench | 41.4% | — |

## Multilingual

- o1: 48.6 (#142)
- o4-mini: 47.0 (#154)

| Benchmark | o1 | o4-mini |
|---|---|---|
| LMArena Non-English | 1358 | 1337 |
| LMArena Chinese | 1394 | 1354 |
| LMArena French | 1344 | 1364 |
| LMArena German | 1337 | 1336 |
| LMArena Japanese | 1346 | 1308 |
| LMArena Korean | 1396 | 1312 |
| LMArena Russian | 1356 | 1334 |
| LMArena Spanish | 1345 | 1347 |

## Instruction Following

- o1: 74.8 (#86)
- o4-mini: 75.2 (#68)

| Benchmark | o1 | o4-mini |
|---|---|---|
| LMArena Instruction Following | 1367 | 1321 |
| LiveBench Instruction Following | 81.5% | — |
| IFEval | — | 92.8% |

## Long Context

- o1: 50.3 (#9)
- o4-mini: 45.5 (#33)

| Benchmark | o1 | o4-mini |
|---|---|---|
| Fiction.LiveBench | 83.3% | 77.8% |
| LMArena Longer Query | 1378 | 1315 |

## Writing & Preference

- o1: 55.6 (#144)
- o4-mini: 54.0 (#152)

| Benchmark | o1 | o4-mini |
|---|---|---|
| LMArena Text | 1366 | 1353 |
| LMArena Creative Writing | 1348 | 1294 |
| Short-Story Creative Writing | 70.2% | 75% |
| LMArena Multi-Turn | 1369 | 1350 |
| WildBench | — | 85.4% |
| LiveBench Language | 65.4% | — |

## FAQ

### Is o1 better than o4-mini?

o1 and o4-mini score almost the same on the Noometry Index (40.9 vs 41.6), so choose on price, context window or the category you care about most.

### Which is cheaper, o1 or o4-mini?

o4-mini is cheaper. It lists at $1.10 per million input tokens and $4.40 per million output tokens; o1 lists at $15 and $60.

### Is o1 or o4-mini better for coding?

o1 scores higher on coding benchmarks: 46.1 versus 40.9 in the Noometry coding category.

### Which has the bigger context window?

Both accept 200K tokens.

### How many benchmarks do o1 and o4-mini share?

41 benchmarks have published results for both models. o1 has 52 scored results on Noometry and o4-mini has 60.