Model comparison
Gemma 4 26B A4B IT vs o3-pro
Gemma 4 26B A4B IT and o3-pro score almost the same on the Noometry Index (43.5 vs 42.9), so choose on price, context window or the category you care about most.
Last verified . 5 shared benchmarks.
GoogleSummary
- 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 72.2 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 $0.0675 / $0.23 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.
Side by side
| Gemma 4 26B A4B IT | o3-pro | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 43.5 | 42.9 |
| Released | 2026-04-02 | 2025-06-10 |
| Weights | Open | Proprietary |
| Context window | 262K | 200K |
| Max output | 33K | 100K |
| Input $ / M tokens | $0.0675 | $20 |
| Output $ / M tokens | $0.23 | $80 |
| Results tracked | 28 | 12 |
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Category by category
Coding o3-pro leads
Gemma 4 26B A4B IT: 39.0 (#164), o3-pro: 55.5 (#24)
| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| WeirdML | 35.2% | 58.2% |
| Aider Polyglot | — | 84.9% |
| LMArena WebDev | 1359 | — |
| SciCode | 40% | — |
| LMArena Coding | 1447 | — |
| ALE-Bench | 927.17 | — |
Reasoning o3-pro leads
Gemma 4 26B A4B IT: 21.8 (#213), o3-pro: 23.8 (#171)
| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| DTBench | 74.9% | 86.9% |
| LMCA | 29.7% | 38.5% |
| Epoch Capabilities Index | 141.85 | 147.42 |
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| ARC-AGI-1 | — | 59.3% |
| CritPt | 0% | — |
| Chess Puzzles | 6% | — |
| LMArena Hard Prompts | 1439 | — |
Math Not comparable
Gemma 4 26B A4B IT: 47.6 (#67), o3-pro: —
| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 82.2% | — |
| LMArena Math | 1470 | — |
Knowledge Gemma 4 26B A4B IT leads
Gemma 4 26B A4B IT: 45.7 (#85), o3-pro: 29.5 (#238)
| 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 Not comparable
Gemma 4 26B A4B IT: 40.6 (#46), o3-pro: —
| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| LMArena Vision | 1260 | — |
Multilingual Not comparable
Gemma 4 26B A4B IT: 53.1 (#71), o3-pro: —
| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| LMArena Non-English | 1421 | — |
| LMArena Chinese | 1495 | — |
| LMArena French | 1460 | — |
| LMArena Russian | 1434 | — |
| LMArena Spanish | 1417 | — |
Instruction Following Not comparable
Gemma 4 26B A4B IT: 74.8 (#82), o3-pro: —
| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| LMArena Instruction Following | 1420 | — |
Long Context o3-pro leads
Gemma 4 26B A4B IT: 43.6 (#91), o3-pro: 72.2 (#1)
| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
| LMArena Longer Query | 1428 | — |
Writing & Preference Gemma 4 26B A4B IT leads
Gemma 4 26B A4B IT: 58.6 (#115), o3-pro: 57.1 (#133)
| Benchmark | Gemma 4 26B A4B IT | o3-pro |
|---|---|---|
| LMArena Text | 1434 | — |
| LMArena Creative Writing | 1402 | — |
| Short-Story Creative Writing | — | 84.4% |
| EQ-Bench Creative Writing | 1305 | — |
| LMArena Multi-Turn | 1441 | — |
Frequently asked questions
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 (43.5 vs 42.9), 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 $0.0675 per million input tokens and $0.23 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: 55.5 versus 39.0 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.