Model comparison
Gemma 4 31B IT vs Mistral Small 3
Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 31.2 on the Noometry Index. Mistral Small 3 costs 2.7× less per token, which makes it the better buy when Gemma 4 31B IT's lead doesn't matter for your workload.
Last verified . 18 shared benchmarks.
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Mistral AISummary
- They share 18 benchmarks with published results for both. Gemma 4 31B IT scores higher in 8 categories and Mistral Small 3 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemma 4 31B IT leads 60.5 to 32.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 73.3% for Gemma 4 31B IT and 6.7% for Mistral Small 3.
- Mistral Small 3 is cheaper at $0.05 / $0.08 per million input/output tokens, against $0.09 / $0.34 for Gemma 4 31B IT.
- Gemma 4 31B IT accepts more context: 262K tokens versus 33K.
Side by side
| Gemma 4 31B IT | Mistral Small 3 | |
|---|---|---|
| Provider | Mistral AI | |
| Noometry Index | 43.5 | 31.2 |
| Released | 2026-04-02 | 2025-01-30 |
| Weights | Open | Open |
| Context window | 262K | 33K |
| Max output | 33K | 16K |
| Input $ / M tokens | $0.09 | $0.05 |
| Output $ / M tokens | $0.34 | $0.08 |
| Results tracked | 35 | 24 |
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Category by category
Coding Gemma 4 31B IT leads
Gemma 4 31B IT: 42.3 (#108), Mistral Small 3: 36.5 (#207)
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Coding | 1459 | 1246 |
| LMArena WebDev | 1366 | — |
| SciCode | 43.4% | — |
| WeirdML | 52.3% | — |
| BigCodeBench Instruct | — | 45.3% |
| BigCodeBench Complete | — | 50.4% |
| ALE-Bench | 925.5 | — |
Reasoning Gemma 4 31B IT leads
Gemma 4 31B IT: 27.2 (#122), Mistral Small 3: 18.9 (#273)
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| Chess Puzzles | 5% | 0% |
| LMArena Hard Prompts | 1448 | 1233 |
| Epoch Capabilities Index | 142.74 | 127.07 |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| CritPt | 1.4% | — |
| Thematic Generalization | 53% | — |
| DTBench | 82.7% | — |
| LMCA | 39.3% | — |
| Surface Evolver Bench | 30.6% | — |
Math Gemma 4 31B IT leads
Gemma 4 31B IT: 43.2 (#81), Mistral Small 3: 16.3 (#295)
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 73.3% | 6.7% |
| LMArena Math | 1465 | 1240 |
Knowledge Gemma 4 31B IT leads
Gemma 4 31B IT: 37.9 (#151), Mistral Small 3: 25.1 (#263)
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| GPQA Diamond | 75.8% | 47.3% |
| LMArena Expert | 1465 | 1202 |
| SimpleQA Verified | 10.4% | — |
| Confabulations | — | 25.2% |
| Vectara Hallucination Rate | 7.4% | — |
Multimodal Not comparable
Gemma 4 31B IT: 41.6 (#34), Mistral Small 3: —
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Vision | 1277 | — |
| LMArena Document | 1425 | — |
Multilingual Gemma 4 31B IT leads
Gemma 4 31B IT: 53.8 (#57), Mistral Small 3: 37.3 (#236)
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Non-English | 1431 | 1198 |
| LMArena Chinese | 1476 | 1204 |
| LMArena French | 1435 | 1203 |
| LMArena Russian | 1460 | 1216 |
| LMArena German | — | 1211 |
| LMArena Japanese | — | 1111 |
| LMArena Korean | — | 1188 |
| LMArena Spanish | 1444 | — |
Instruction Following Gemma 4 31B IT leads
Gemma 4 31B IT: 75.5 (#61), Mistral Small 3: 63.7 (#229)
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Instruction Following | 1433 | 1214 |
Long Context Gemma 4 31B IT leads
Gemma 4 31B IT: 44.2 (#71), Mistral Small 3: 37.8 (#211)
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Longer Query | 1446 | 1246 |
Writing & Preference Gemma 4 31B IT leads
Gemma 4 31B IT: 60.5 (#96), Mistral Small 3: 32.2 (#280)
| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Text | 1443 | 1234 |
| LMArena Creative Writing | 1415 | 1195 |
| EQ-Bench Creative Writing | 1368 | 707 |
| LMArena Multi-Turn | 1452 | 1217 |
| EQ-Bench 4 | 1120 | — |
Frequently asked questions
Is Gemma 4 31B IT better than Mistral Small 3?
Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 31.2 on the Noometry Index. Mistral Small 3 costs 2.7× less per token, which makes it the better buy when Gemma 4 31B IT's lead doesn't matter for your workload.
Which is cheaper, Gemma 4 31B IT or Mistral Small 3?
Mistral Small 3 is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; Gemma 4 31B IT lists at $0.09 and $0.34.
Is Gemma 4 31B IT or Mistral Small 3 better for coding?
Gemma 4 31B IT scores higher on coding benchmarks: 42.3 versus 36.5 in the Noometry coding category.
Which has the bigger context window?
Gemma 4 31B IT does, with 262K tokens against 33K.
How many benchmarks do Gemma 4 31B IT and Mistral Small 3 share?
18 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Mistral Small 3 has 24.