Model comparison
Inkling-Small vs o1-pro
Inkling-Small is the stronger model overall, scoring 46.5 to 31.5 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Inkling-Small 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-Small leads 48.2 to 29.7.
- The biggest single-benchmark swing is ARC-AGI-1: 84% for Inkling-Small and 23.3% for o1-pro.
- Inkling-Small is cheaper at $0.45 / $1.20 per million input/output tokens, against $150 / $600 for o1-pro.
- Inkling-Small accepts more context: 524K tokens versus 200K.
- Inkling-Small has downloadable open weights; the other is API-only.
Side by side
| Inkling-Small | o1-pro | |
|---|---|---|
| Provider | Thinking Machines Lab | OpenAI |
| Noometry Index | 46.5 | 31.5 |
| Released | 2026-07-15 | 2025-03-19 |
| Weights | Open | Proprietary |
| Context window | 524K | 200K |
| Max output | 1.05M | 100K |
| Input $ / M tokens | $0.45 | $150 |
| Output $ / M tokens | $1.20 | $600 |
| Results tracked | 33 | 3 |
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Category by category
Coding Not comparable
Inkling-Small: 43.6 (#85), o1-pro: —
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| LMArena WebDev | 1409 | — |
| SciCode | 48.7% | — |
| LMArena Coding | 1451 | — |
Reasoning Inkling-Small leads
Inkling-Small: 38.6 (#63), o1-pro: 20.4 (#239)
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| ARC-AGI-1 | 84% | 23.3% |
| ARC-AGI-2 | 40.1% | — |
| CritPt | 8.3% | — |
| Chess Puzzles | 18% | — |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1423 | — |
| Mystery Game Puzzles | 6% | — |
| Epoch Capabilities Index | 150.15 | — |
Math Not comparable
Inkling-Small: 45.1 (#77), o1-pro: —
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 46.3% | — |
| FrontierMath Tier 4 | 17.1% | — |
| OTIS Mock AIME 2024-2025 | 90% | — |
| ProofBench | 6% | — |
| LMArena Math | 1459 | — |
Knowledge Inkling-Small leads
Inkling-Small: 48.2 (#77), o1-pro: 29.7 (#234)
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| GPQA Diamond | 88.5% | — |
| Humanity's Last Exam | — | 8.1% |
| SimpleQA Verified | 19.1% | — |
| LMArena Expert | 1442 | — |
Multimodal Not comparable
Inkling-Small: 39.1 (#62), o1-pro: —
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| LMArena Vision | 1235 | — |
Multilingual Not comparable
Inkling-Small: 51.7 (#104), o1-pro: —
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| LMArena Non-English | 1402 | — |
| LMArena Chinese | 1465 | — |
| LMArena French | 1436 | — |
| LMArena German | 1405 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1363 | — |
| LMArena Russian | 1391 | — |
| LMArena Spanish | 1428 | — |
Instruction Following Not comparable
Inkling-Small: 73.8 (#114), o1-pro: —
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1399 | — |
Long Context Not comparable
Inkling-Small: 42.7 (#118), o1-pro: —
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| LMArena Longer Query | 1401 | — |
Writing & Preference Not comparable
Inkling-Small: 59.6 (#107), o1-pro: —
| Benchmark | Inkling-Small | o1-pro |
|---|---|---|
| LMArena Text | 1414 | — |
| LMArena Creative Writing | 1331 | — |
| EQ-Bench Creative Writing | 1491 | — |
| LMArena Multi-Turn | 1418 | — |
Frequently asked questions
Is Inkling-Small better than o1-pro?
Inkling-Small is the stronger model overall, scoring 46.5 to 31.5 on the Noometry Index.
Which is cheaper, Inkling-Small or o1-pro?
Inkling-Small is cheaper. It lists at $0.45 per million input tokens and $1.20 per million output tokens; o1-pro lists at $150 and $600.
Which has the bigger context window?
Inkling-Small does, with 524K tokens against 200K.
How many benchmarks do Inkling-Small and o1-pro share?
1 benchmark has published results for both models. Inkling-Small has 33 scored results on Noometry and o1-pro has 3.