Model comparison
Gemma 4 26B A4B IT vs Grok 4.3
Gemma 4 26B A4B IT and Grok 4.3 score almost the same on the Noometry Index (43.5 vs 43.8), so choose on price, context window or the category you care about most.
Last verified . 26 shared benchmarks.
GoogleSummary
- They share 26 benchmarks with published results for both. Gemma 4 26B A4B IT scores higher in 6 categories and Grok 4.3 in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.3 leads 35.9 to 21.8.
- The biggest single-benchmark swing is Chess Puzzles: 6% for Gemma 4 26B A4B IT and 25% for Grok 4.3.
- Gemma 4 26B A4B IT is cheaper at $0.0675 / $0.23 per million input/output tokens, against $1.25 / $2.50 for Grok 4.3.
- Grok 4.3 accepts more context: 1M 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 | Grok 4.3 | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 43.5 | 43.8 |
| Released | 2026-04-02 | 2026-04-17 |
| Weights | Open | Proprietary |
| Context window | 262K | 1M |
| Max output | 33K | 30K |
| Input $ / M tokens | $0.0675 | $1.25 |
| Output $ / M tokens | $0.23 | $2.50 |
| Results tracked | 28 | 40 |
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Category by category
Coding Grok 4.3 leads
Gemma 4 26B A4B IT: 39.0 (#164), Grok 4.3: 41.6 (#121)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| LMArena WebDev | 1359 | 1357 |
| SciCode | 40% | 47.3% |
| WeirdML | 35.2% | 49.9% |
| LMArena Coding | 1447 | 1415 |
| ALE-Bench | 927.17 | 944.17 |
Agentic & Tool Use Not comparable
Gemma 4 26B A4B IT: —, Grok 4.3: 27.7 (#99)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| GDP.pdf | — | 8% |
| LMArena Search | — | 1165 |
| Vending-Bench 2 | — | 35.26 |
Reasoning Grok 4.3 leads
Gemma 4 26B A4B IT: 21.8 (#213), Grok 4.3: 35.9 (#68)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| CritPt | 0% | 8% |
| Chess Puzzles | 6% | 25% |
| LMArena Hard Prompts | 1439 | 1396 |
| DTBench | 74.9% | 90.7% |
| LMCA | 29.7% | 38.3% |
| Epoch Capabilities Index | 141.85 | 149.16 |
| NYT Connections (extended) | — | 55.2% |
| ForecastBench | — | 60.3 |
Math Gemma 4 26B A4B IT leads
Gemma 4 26B A4B IT: 47.6 (#67), Grok 4.3: 46.0 (#74)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 82.2% | 93.3% |
| LMArena Math | 1470 | 1388 |
| FrontierMath (Tiers 1-3) | — | 42.8% |
| FrontierMath Tier 4 | — | 14.6% |
| ProofBench | — | 11% |
Knowledge Grok 4.3 leads
Gemma 4 26B A4B IT: 45.7 (#85), Grok 4.3: 52.5 (#62)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| GPQA Diamond | 73.2% | 88.8% |
| LMArena Expert | 1447 | 1385 |
| SimpleQA Verified | — | 33.2% |
| Vectara Hallucination Rate | 5.2% | — |
Multimodal Gemma 4 26B A4B IT leads
Gemma 4 26B A4B IT: 40.6 (#46), Grok 4.3: 31.6 (#104)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| LMArena Vision | 1260 | 1229 |
| Blueprint-Bench 2 | — | 0% |
Multilingual Gemma 4 26B A4B IT leads
Gemma 4 26B A4B IT: 53.1 (#71), Grok 4.3: 50.5 (#120)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| LMArena Non-English | 1421 | 1385 |
| LMArena Chinese | 1495 | 1422 |
| LMArena French | 1460 | 1412 |
| LMArena Russian | 1434 | 1399 |
| LMArena Spanish | 1417 | 1398 |
| LMArena German | — | 1395 |
| LMArena Japanese | — | 1379 |
| LMArena Korean | — | 1356 |
Instruction Following Gemma 4 26B A4B IT leads
Gemma 4 26B A4B IT: 74.8 (#82), Grok 4.3: 72.1 (#140)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| LMArena Instruction Following | 1420 | 1366 |
Long Context Gemma 4 26B A4B IT leads
Gemma 4 26B A4B IT: 43.6 (#91), Grok 4.3: 42.5 (#123)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| LMArena Longer Query | 1428 | 1393 |
Writing & Preference Too close to call
Gemma 4 26B A4B IT: 58.6 (#115), Grok 4.3: 58.5 (#118)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.3 |
|---|---|---|
| LMArena Text | 1434 | 1397 |
| LMArena Creative Writing | 1402 | 1380 |
| LMArena Multi-Turn | 1441 | 1406 |
| EQ-Bench Creative Writing | 1305 | — |
| EQ-Bench 4 | — | 1075 |
Frequently asked questions
Is Gemma 4 26B A4B IT better than Grok 4.3?
Gemma 4 26B A4B IT and Grok 4.3 score almost the same on the Noometry Index (43.5 vs 43.8), so choose on price, context window or the category you care about most.
Which is cheaper, Gemma 4 26B A4B IT or Grok 4.3?
Gemma 4 26B A4B IT is cheaper. It lists at $0.0675 per million input tokens and $0.23 per million output tokens; Grok 4.3 lists at $1.25 and $2.50.
Is Gemma 4 26B A4B IT or Grok 4.3 better for coding?
Grok 4.3 scores higher on coding benchmarks: 41.6 versus 39.0 in the Noometry coding category.
Which has the bigger context window?
Grok 4.3 does, with 1M tokens against 262K.
How many benchmarks do Gemma 4 26B A4B IT and Grok 4.3 share?
26 benchmarks have published results for both models. Gemma 4 26B A4B IT has 28 scored results on Noometry and Grok 4.3 has 40.