Model comparison
Gemma 4 26B A4B IT vs Grok 4.20 (Non-Reasoning)
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 43.5 on the Noometry Index. Gemma 4 26B A4B IT costs 11× less per token, which makes it the better buy when Grok 4.20 (Non-Reasoning)'s lead doesn't matter for your workload.
Last verified . 25 shared benchmarks.
GoogleSummary
- They share 25 benchmarks with published results for both. Gemma 4 26B A4B IT scores higher in 1 category and Grok 4.20 (Non-Reasoning) in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 (Non-Reasoning) leads 52.3 to 21.8.
- The biggest single-benchmark swing is Chess Puzzles: 6% for Gemma 4 26B A4B IT and 24% for Grok 4.20 (Non-Reasoning).
- Gemma 4 26B A4B IT is cheaper at $0.09 / $0.30 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 (Non-Reasoning).
- Grok 4.20 (Non-Reasoning) 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 4.20 (Non-Reasoning) | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 43.5 | 48.6 |
| Released | 2026-04-02 | 2026-02-17 |
| Weights | Open | Proprietary |
| Context window | 262K | 1M |
| Max output | 33K | 30K |
| Input $ / M tokens | $0.09 | $1.25 |
| Output $ / M tokens | $0.30 | $2.50 |
| Results tracked | 28 | 46 |
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Category by category
Coding Grok 4.20 (Non-Reasoning) leads
Gemma 4 26B A4B IT: 39.0 (#164), Grok 4.20 (Non-Reasoning): 42.1 (#112)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena WebDev | 1359 | 1375 |
| WeirdML | 35.2% | 52.3% |
| LMArena Coding | 1447 | 1459 |
| ALE-Bench | 927.17 | 1,150 |
| SciCode | 40% | — |
Agentic & Tool Use Not comparable
Gemma 4 26B A4B IT: —, Grok 4.20 (Non-Reasoning): 34.4 (#46)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| Terminal-Bench | — | 57.3% |
| τ²-bench Banking | — | 18% |
| LMArena Search | — | 1189 |
| Vending-Bench 2 | — | 4,663 |
Reasoning Grok 4.20 (Non-Reasoning) leads
Gemma 4 26B A4B IT: 21.8 (#213), Grok 4.20 (Non-Reasoning): 52.3 (#32)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| Chess Puzzles | 6% | 24% |
| LMArena Hard Prompts | 1439 | 1451 |
| DTBench | 74.9% | 90.1% |
| LMCA | 29.7% | 38.7% |
| Epoch Capabilities Index | 141.85 | 151.98 |
| ARC-AGI-2 | — | 65.1% |
| Kagi LLM Benchmark | — | 75% |
| NYT Connections (extended) | — | 85.4% |
| ARC-AGI-1 | — | 89.5% |
| CritPt | 0% | — |
| Thematic Generalization | — | 63.8% |
| ForecastBench | — | 61.4 |
Math Too close to call
Gemma 4 26B A4B IT: 47.6 (#67), Grok 4.20 (Non-Reasoning): 48.2 (#65)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 82.2% | 92.2% |
| LMArena Math | 1470 | 1455 |
| FrontierMath (Tiers 1-3) | — | 44.9% |
| FrontierMath Tier 4 | — | 17.1% |
| ProofBench | — | 14% |
Knowledge Grok 4.20 (Non-Reasoning) leads
Gemma 4 26B A4B IT: 45.7 (#85), Grok 4.20 (Non-Reasoning): 52.8 (#60)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| GPQA Diamond | 73.2% | 89.3% |
| LMArena Expert | 1447 | 1439 |
| SimpleQA Verified | — | 30.2% |
| Vectara Hallucination Rate | 5.2% | — |
Multimodal Gemma 4 26B A4B IT leads
Gemma 4 26B A4B IT: 40.6 (#46), Grok 4.20 (Non-Reasoning): 33.3 (#98)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Vision | 1260 | 1263 |
| Blueprint-Bench 2 | — | 0% |
| LMArena Document | — | 1416 |
Multilingual Grok 4.20 (Non-Reasoning) leads
Gemma 4 26B A4B IT: 53.1 (#71), Grok 4.20 (Non-Reasoning): 54.5 (#40)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Non-English | 1421 | 1441 |
| LMArena Chinese | 1495 | 1481 |
| LMArena French | 1460 | 1476 |
| LMArena Russian | 1434 | 1458 |
| LMArena Spanish | 1417 | 1443 |
| LMArena German | — | 1465 |
| LMArena Japanese | — | 1449 |
| LMArena Korean | — | 1417 |
Instruction Following Too close to call
Gemma 4 26B A4B IT: 74.8 (#82), Grok 4.20 (Non-Reasoning): 74.8 (#83)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Instruction Following | 1420 | 1420 |
Long Context Grok 4.20 (Non-Reasoning) leads
Gemma 4 26B A4B IT: 43.6 (#91), Grok 4.20 (Non-Reasoning): 45.5 (#34)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Longer Query | 1428 | 1437 |
| CL-bench | — | 22.2% |
| CL-bench Life | — | 11.9% |
Writing & Preference Grok 4.20 (Non-Reasoning) leads
Gemma 4 26B A4B IT: 58.6 (#115), Grok 4.20 (Non-Reasoning): 65.7 (#44)
| Benchmark | Gemma 4 26B A4B IT | Grok 4.20 (Non-Reasoning) |
|---|---|---|
| LMArena Text | 1434 | 1451 |
| LMArena Creative Writing | 1402 | 1438 |
| EQ-Bench Creative Writing | 1305 | 1574 |
| LMArena Multi-Turn | 1441 | 1456 |
Frequently asked questions
Is Gemma 4 26B A4B IT better than Grok 4.20 (Non-Reasoning)?
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 43.5 on the Noometry Index. Gemma 4 26B A4B IT costs 11× less per token, which makes it the better buy when Grok 4.20 (Non-Reasoning)'s lead doesn't matter for your workload.
Which is cheaper, Gemma 4 26B A4B IT or Grok 4.20 (Non-Reasoning)?
Gemma 4 26B A4B IT is cheaper. It lists at $0.09 per million input tokens and $0.30 per million output tokens; Grok 4.20 (Non-Reasoning) lists at $1.25 and $2.50.
Is Gemma 4 26B A4B IT or Grok 4.20 (Non-Reasoning) better for coding?
Grok 4.20 (Non-Reasoning) scores higher on coding benchmarks: 42.1 versus 39.0 in the Noometry coding category.
Which has the bigger context window?
Grok 4.20 (Non-Reasoning) does, with 1M tokens against 262K.
How many benchmarks do Gemma 4 26B A4B IT and Grok 4.20 (Non-Reasoning) share?
25 benchmarks have published results for both models. Gemma 4 26B A4B IT has 28 scored results on Noometry and Grok 4.20 (Non-Reasoning) has 46.