# Inkling vs o1-pro

> Inkling is the stronger model overall, scoring 44.1 to 31.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/inkling-vs-o1-pro
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Inkling scores higher in 2 categories and o1-pro in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Inkling leads 55.2 to 29.3.
- The biggest single-benchmark swing is ARC-AGI-1: 79.5% for Inkling and 23.3% for o1-pro.
- Inkling is cheaper at $1.87 / $4.68 per million input/output tokens, against $150 / $600 for o1-pro.
- o1-pro accepts more context: 200K tokens versus 66K.
- Inkling has downloadable open weights; the other is API-only.

## Snapshot

| | Inkling | o1-pro |
|---|---|---|
| Provider | Thinking Machines Lab | OpenAI |
| Noometry Index | 44.1 | 31.2 |
| Rank | 75 | 264 |
| Context | 66K | 200K |
| Input $/M | $1.87 | $150 |
| Output $/M | $4.68 | $600 |
| Weights | Open | Proprietary |

## Coding

- Inkling: 34.1 (#229)
- o1-pro: —

| Benchmark | Inkling | o1-pro |
|---|---|---|
| FrontierCode | 14% | — |
| LMArena WebDev | 1412 | — |
| FrontierSWE | 4.1% | — |
| SciCode | 47% | — |
| WeirdML | 32.3% | — |
| LMArena Coding | 1463 | — |
| ALE-Bench | 946 | — |

## Agentic & Tool Use

- Inkling: 29.5 (#76)
- o1-pro: —

| Benchmark | Inkling | o1-pro |
|---|---|---|
| APEX-Agents | 33.8% | — |
| τ²-bench Banking | 25% | — |

## Reasoning

- Inkling: 40.6 (#48)
- o1-pro: 20.2 (#223)

| Benchmark | Inkling | o1-pro |
|---|---|---|
| ARC-AGI-1 | 79.5% | 23.3% |
| ARC-AGI-2 | 36.5% | — |
| SimpleBench | 50% | — |
| CritPt | 5.4% | — |
| Chess Puzzles | 21% | — |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1452 | — |
| DTBench | 87.5% | — |
| LMCA | 37.6% | — |
| Epoch Capabilities Index | 148.6 | — |

## Math

- Inkling: 31.2 (#198)
- o1-pro: —

| Benchmark | Inkling | o1-pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 33.3% | — |
| FrontierMath Tier 4 | 4.9% | — |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 0% | — |
| LMArena Math | 1482 | — |

## Knowledge

- Inkling: 55.2 (#44)
- o1-pro: 29.3 (#227)

| Benchmark | Inkling | o1-pro |
|---|---|---|
| GPQA Diamond | 88.3% | — |
| Humanity's Last Exam | — | 8.1% |
| SimpleQA Verified | 40.3% | — |
| LMArena Expert | 1468 | — |

## Multilingual

- Inkling: 54.2 (#49)
- o1-pro: —

| Benchmark | Inkling | o1-pro |
|---|---|---|
| LMArena Non-English | 1434 | — |
| LMArena Chinese | 1495 | — |
| LMArena French | 1453 | — |
| LMArena German | 1456 | — |
| LMArena Japanese | 1428 | — |
| LMArena Korean | 1401 | — |
| LMArena Russian | 1430 | — |
| LMArena Spanish | 1442 | — |

## Instruction Following

- Inkling: 75.3 (#65)
- o1-pro: —

| Benchmark | Inkling | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1427 | — |

## Long Context

- Inkling: 43.9 (#79)
- o1-pro: —

| Benchmark | Inkling | o1-pro |
|---|---|---|
| LMArena Longer Query | 1436 | — |

## Writing & Preference

- Inkling: 65.5 (#48)
- o1-pro: —

| Benchmark | Inkling | o1-pro |
|---|---|---|
| LMArena Text | 1443 | — |
| LMArena Creative Writing | 1390 | — |
| EQ-Bench Creative Writing | 1611 | — |
| EQ-Bench 4 | 1226 | — |
| LMArena Multi-Turn | 1436 | — |

## FAQ

### Is Inkling better than o1-pro?

Inkling is the stronger model overall, scoring 44.1 to 31.2 on the Noometry Index.

### Which is cheaper, Inkling or o1-pro?

Inkling is cheaper. It lists at $1.87 per million input tokens and $4.68 per million output tokens; o1-pro lists at $150 and $600.

### Which has the bigger context window?

o1-pro does, with 200K tokens against 66K.

### How many benchmarks do Inkling and o1-pro share?

1 benchmark has published results for both models. Inkling has 41 scored results on Noometry and o1-pro has 3.