Model comparison
Gemma 4 26B A4B IT vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 43.5 on the Noometry Index. Gemma 4 26B A4B IT costs 632× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Last verified . 6 shared benchmarks.
GoogleSummary
- They share 6 benchmarks with published results for both. Gemma 4 26B A4B IT scores higher in 0 categories and GPT-5.4 Pro in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 21.8.
- The biggest single-benchmark swing is Chess Puzzles: 6% for Gemma 4 26B A4B IT and 58.6% for GPT-5.4 Pro.
- Gemma 4 26B A4B IT is cheaper at $0.0675 / $0.23 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 262K.
- Gemma 4 26B A4B IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 4 26B A4B IT | GPT-5.4 Pro | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 43.5 | 58.9 |
| Released | 2026-04-02 | 2026-03-05 |
| Weights | Open | Proprietary |
| Context window | 262K | 1.05M |
| Max output | 33K | 128K |
| Input $ / M tokens | $0.0675 | $30 |
| Output $ / M tokens | $0.23 | $180 |
| Results tracked | 28 | 16 |
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Category by category
Coding GPT-5.4 Pro leads
Gemma 4 26B A4B IT: 39.0 (#164), GPT-5.4 Pro: 43.2 (#90)
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 Pro |
|---|---|---|
| WeirdML | 35.2% | 57.4% |
| LMArena WebDev | 1359 | — |
| SciCode | 40% | — |
| LMArena Coding | 1447 | — |
| ALE-Bench | 927.17 | — |
Reasoning GPT-5.4 Pro leads
Gemma 4 26B A4B IT: 21.8 (#213), GPT-5.4 Pro: 70.7 (#13)
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 Pro |
|---|---|---|
| CritPt | 0% | 30% |
| Chess Puzzles | 6% | 58.6% |
| Epoch Capabilities Index | 141.85 | 158.93 |
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| ARC-AGI-1 | — | 94.5% |
| EnigmaEval | — | 23.8% |
| LMArena Hard Prompts | 1439 | — |
| DTBench | 74.9% | — |
| LMCA | 29.7% | — |
Math GPT-5.4 Pro leads
Gemma 4 26B A4B IT: 47.6 (#67), GPT-5.4 Pro: 72.4 (#22)
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| OTIS Mock AIME 2024-2025 | 82.2% | — |
| LMArena Math | 1470 | — |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge GPT-5.4 Pro leads
Gemma 4 26B A4B IT: 45.7 (#85), GPT-5.4 Pro: 68.3 (#7)
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | 73.2% | 94.6% |
| Vectara Hallucination Rate | 5.2% | 8.3% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| LMArena Expert | 1447 | — |
Multimodal Not comparable
Gemma 4 26B A4B IT: 40.6 (#46), GPT-5.4 Pro: —
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Vision | 1260 | — |
Multilingual Not comparable
Gemma 4 26B A4B IT: 53.1 (#71), GPT-5.4 Pro: —
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 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), GPT-5.4 Pro: —
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Instruction Following | 1420 | — |
Long Context Not comparable
Gemma 4 26B A4B IT: 43.6 (#91), GPT-5.4 Pro: —
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Longer Query | 1428 | — |
Writing & Preference Not comparable
Gemma 4 26B A4B IT: 58.6 (#115), GPT-5.4 Pro: —
| Benchmark | Gemma 4 26B A4B IT | GPT-5.4 Pro |
|---|---|---|
| LMArena Text | 1434 | — |
| LMArena Creative Writing | 1402 | — |
| EQ-Bench Creative Writing | 1305 | — |
| LMArena Multi-Turn | 1441 | — |
Frequently asked questions
Is Gemma 4 26B A4B IT better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 43.5 on the Noometry Index. Gemma 4 26B A4B IT costs 632× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Which is cheaper, Gemma 4 26B A4B IT or GPT-5.4 Pro?
Gemma 4 26B A4B IT is cheaper. It lists at $0.0675 per million input tokens and $0.23 per million output tokens; GPT-5.4 Pro lists at $30 and $180.
Is Gemma 4 26B A4B IT or GPT-5.4 Pro better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 39.0 in the Noometry coding category.
Which has the bigger context window?
GPT-5.4 Pro does, with 1.05M tokens against 262K.
How many benchmarks do Gemma 4 26B A4B IT and GPT-5.4 Pro share?
6 benchmarks have published results for both models. Gemma 4 26B A4B IT has 28 scored results on Noometry and GPT-5.4 Pro has 16.