# Gemma 4 26B A4B IT vs o3-pro

> Gemma 4 26B A4B IT and o3-pro score almost the same on the Noometry Index (43.1 vs 42.7), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gemma-4-26b-a4b-it-vs-o3-pro
- Last updated: 2026-10-10
- Shared benchmarks: 5

## Summary

- They share 5 benchmarks with published results for both. Gemma 4 26B A4B IT scores higher in 2 categories and o3-pro in 3 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in long context, where o3-pro leads 72.1 to 43.6.
- The biggest single-benchmark swing is WeirdML: 35.2% for Gemma 4 26B A4B IT and 58.2% for o3-pro.
- Gemma 4 26B A4B IT is cheaper at $0.0765 / $0.26 per million input/output tokens, against $20 / $80 for o3-pro.
- Gemma 4 26B A4B IT accepts more context: 262K tokens versus 200K.
- Gemma 4 26B A4B IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 43.1 | 42.7 |
| Rank | 88 | 94 |
| Context | 262K | 200K |
| Input $/M | $0.0765 | $20 |
| Output $/M | $0.26 | $80 |
| Weights | Open | Proprietary |

## Coding

- Gemma 4 26B A4B IT: 38.8 (#156)
- o3-pro: 55.1 (#22)

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| WeirdML | 35.2% | 58.2% |
| Aider Polyglot | — | 84.9% |
| LMArena WebDev | 1359 | — |
| SciCode | 40% | — |
| LMArena Coding | 1446 | — |
| ALE-Bench | 927.17 | — |

## Reasoning

- Gemma 4 26B A4B IT: 21.1 (#205)
- o3-pro: 24.1 (#152)

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| DTBench | 74.9% | 86.9% |
| LMCA | 29.7% | 38.5% |
| Epoch Capabilities Index | 141.85 | 147.43 |
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| ARC-AGI-1 | — | 59.3% |
| CritPt | 0% | — |
| Chess Puzzles | 6% | — |
| LMArena Hard Prompts | 1438 | — |

## Math

- Gemma 4 26B A4B IT: 45.7 (#61)
- o3-pro: —

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 82.2% | — |
| LMArena Math | 1469 | — |

## Knowledge

- Gemma 4 26B A4B IT: 45.6 (#79)
- o3-pro: 29.0 (#234)

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| Vectara Hallucination Rate | 5.2% | 23.3% |
| GPQA Diamond | 73.2% | — |
| Confabulations | — | 14.2% |
| LMArena Expert | 1447 | — |

## Multimodal

- Gemma 4 26B A4B IT: 39.9 (#43)
- o3-pro: —

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| LMArena Vision | 1260 | — |

## Multilingual

- Gemma 4 26B A4B IT: 53.3 (#68)
- o3-pro: —

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| LMArena Non-English | 1422 | — |
| LMArena Chinese | 1495 | — |
| LMArena French | 1459 | — |
| LMArena Russian | 1434 | — |
| LMArena Spanish | 1415 | — |

## Instruction Following

- Gemma 4 26B A4B IT: 75.0 (#78)
- o3-pro: —

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| LMArena Instruction Following | 1420 | — |

## Long Context

- Gemma 4 26B A4B IT: 43.6 (#87)
- o3-pro: 72.1 (#1)

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
| LMArena Longer Query | 1427 | — |

## Writing & Preference

- Gemma 4 26B A4B IT: 58.8 (#110)
- o3-pro: 57.1 (#128)

| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| LMArena Text | 1434 | — |
| LMArena Creative Writing | 1401 | — |
| Short-Story Creative Writing | — | 84.4% |
| EQ-Bench Creative Writing | 1305 | — |
| LMArena Multi-Turn | 1442 | — |

## FAQ

### Is Gemma 4 26B A4B IT better than o3-pro?

Gemma 4 26B A4B IT and o3-pro score almost the same on the Noometry Index (43.1 vs 42.7), so choose on price, context window or the category you care about most.

### Which is cheaper, Gemma 4 26B A4B IT or o3-pro?

Gemma 4 26B A4B IT is cheaper. It lists at $0.0765 per million input tokens and $0.26 per million output tokens; o3-pro lists at $20 and $80.

### Is Gemma 4 26B A4B IT or o3-pro better for coding?

o3-pro scores higher on coding benchmarks: 55.1 versus 38.8 in the Noometry coding category.

### Which has the bigger context window?

Gemma 4 26B A4B IT does, with 262K tokens against 200K.

### How many benchmarks do Gemma 4 26B A4B IT and o3-pro share?

5 benchmarks have published results for both models. Gemma 4 26B A4B IT has 28 scored results on Noometry and o3-pro has 12.