# Gemini 2.5 Pro vs Inkling

> Gemini 2.5 Pro and Inkling score almost the same on the Noometry Index (45.0 vs 44.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gemini-2-5-pro-vs-inkling
- Last updated: 2026-10-11
- Shared benchmarks: 35

## Summary

- They share 35 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 5 categories and Inkling in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in long context, where Gemini 2.5 Pro leads 59.8 to 43.8.
- The biggest single-benchmark swing is ARC-AGI-1: 41% for Gemini 2.5 Pro and 79.5% for Inkling.
- Inkling is cheaper at $1.87 / $4.68 per million input/output tokens, against $1.25 / $10 for Gemini 2.5 Pro.
- Gemini 2.5 Pro accepts more context: 1.05M tokens versus 66K.
- Inkling has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 2.5 Pro | Inkling |
|---|---|---|
| Provider | Google | Thinking Machines Lab |
| Noometry Index | 45.0 | 44.1 |
| Rank | 75 | 80 |
| Context | 1.05M | 66K |
| Input $/M | $1.25 | $1.87 |
| Output $/M | $10 | $4.68 |
| Weights | Proprietary | Open |

## Coding

- Gemini 2.5 Pro: 42.4 (#101)
- Inkling: 34.5 (#234)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| LMArena WebDev | 1227 | 1413 |
| SciCode | 42.8% | 47% |
| WeirdML | 54% | 32.3% |
| LMArena Coding | 1452 | 1464 |
| ALE-Bench | 785.52 | 946 |
| SWE-bench Verified | 57.6% | — |
| FrontierCode | — | 14% |
| SWE-bench Verified (bash only) | 53.6% | — |
| Aider Polyglot | 83.1% | — |
| FrontierSWE | — | 4.1% |
| GSO | 3.9% | — |
| LiveBench Coding | 85.9% | — |
| CadEval | 64% | — |
| AlgoTune | 1.51 | — |

## Agentic & Tool Use

- Gemini 2.5 Pro: 29.2 (#88)
- Inkling: 29.6 (#85)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| τ²-bench Banking | 13.7% | 25% |
| Terminal-Bench | 32.6% | — |
| APEX-Agents | — | 33.8% |
| GDPval | 23.3% | — |
| Remote Labor Index | 0.8% | — |
| TheAgentCompany | 30.3% | — |
| DeepResearch Bench | 42.8% | — |
| BALROG | 43.3% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 55.4% | — |
| Vending-Bench 2 | 573.64 | — |

## Reasoning

- Gemini 2.5 Pro: 28.8 (#99)
- Inkling: 40.4 (#56)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| ARC-AGI-2 | 4.9% | 36.5% |
| SimpleBench | 62.4% | 50% |
| ARC-AGI-1 | 41% | 79.5% |
| CritPt | 2% | 5.4% |
| Chess Puzzles | 20% | 21% |
| LMArena Hard Prompts | 1455 | 1451 |
| DTBench | 82.4% | 87.5% |
| LMCA | 34.8% | 37.6% |
| Epoch Capabilities Index | 145.32 | 148.54 |
| Kagi LLM Benchmark | 70.3% | — |
| EnigmaEval | 5.6% | — |
| LiveBench Reasoning | 89.8% | — |
| LiveBench Data Analysis | 79.9% | — |
| ForecastBench | 61.3 | — |
| LiveBench | 82.3% | — |

## Math

- Gemini 2.5 Pro: 32.5 (#213)
- Inkling: 31.3 (#225)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| FrontierMath (Tiers 1-3) | 24.6% | 33.3% |
| FrontierMath Tier 4 | 0% | 4.9% |
| OTIS Mock AIME 2024-2025 | 84.7% | 88.9% |
| LMArena Math | 1450 | 1479 |
| ProofBench | — | 0% |
| Omni-MATH | 41.6% | — |
| LiveBench Math | 90.2% | — |
| MATH Level 5 | 95.9% | — |
| FrontierMath (Feb 2025 set) | 14.1% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Gemini 2.5 Pro: 56.0 (#46)
- Inkling: 55.1 (#49)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| GPQA Diamond | 85.3% | 88.3% |
| LMArena Expert | 1452 | 1465 |
| Humanity's Last Exam | 21.6% | — |
| SimpleQA Verified | — | 40.3% |
| MMLU-Pro | 86.3% | — |
| Confabulations | 10.6% | — |
| Vectara Hallucination Rate | 7% | — |
| GPQA (HELM) | 74.9% | — |

## Multimodal

- Gemini 2.5 Pro: 45.2 (#18)
- Inkling: —

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| LMArena Vision | 1263 | — |
| GeoBench | 86% | — |
| VPCT | 48% | — |
| LMArena Document | 1421 | — |
| SpatialViz-Bench | 44.7% | — |

## Multilingual

- Gemini 2.5 Pro: 55.3 (#31)
- Inkling: 54.0 (#52)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| LMArena Non-English | 1451 | 1434 |
| LMArena Chinese | 1507 | 1490 |
| LMArena French | 1472 | 1458 |
| LMArena German | 1487 | 1446 |
| LMArena Japanese | 1461 | 1429 |
| LMArena Korean | 1434 | 1404 |
| LMArena Russian | 1461 | 1429 |
| LMArena Spanish | 1473 | 1448 |

## Instruction Following

- Gemini 2.5 Pro: 75.0 (#75)
- Inkling: 75.1 (#71)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| LMArena Instruction Following | 1437 | 1426 |
| LiveBench Instruction Following | 80.6% | — |
| IFEval | 84% | — |

## Long Context

- Gemini 2.5 Pro: 59.8 (#5)
- Inkling: 43.8 (#86)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| LMArena Longer Query | 1449 | 1434 |
| Fiction.LiveBench | 91.7% | — |

## Writing & Preference

- Gemini 2.5 Pro: 63.7 (#62)
- Inkling: 65.2 (#51)

| Benchmark | Gemini 2.5 Pro | Inkling |
|---|---|---|
| LMArena Text | 1458 | 1441 |
| LMArena Creative Writing | 1454 | 1387 |
| EQ-Bench Creative Writing | 1421 | 1611 |
| LMArena Multi-Turn | 1453 | 1436 |
| Short-Story Creative Writing | 83.8% | — |
| WildBench | 85.7% | — |
| EQ-Bench 4 | — | 1226 |
| LiveBench Language | 67.8% | — |

## FAQ

### Is Gemini 2.5 Pro better than Inkling?

Gemini 2.5 Pro and Inkling score almost the same on the Noometry Index (45.0 vs 44.1), so choose on price, context window or the category you care about most.

### Which is cheaper, Gemini 2.5 Pro or Inkling?

Inkling is cheaper. It lists at $1.87 per million input tokens and $4.68 per million output tokens; Gemini 2.5 Pro lists at $1.25 and $10.

### Is Gemini 2.5 Pro or Inkling better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.4 versus 34.5 in the Noometry coding category.

### Which has the bigger context window?

Gemini 2.5 Pro does, with 1.05M tokens against 66K.

### How many benchmarks do Gemini 2.5 Pro and Inkling share?

35 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and Inkling has 41.