Model comparison
Gemma 4 31B IT vs MiMo-V2.6-Pro
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 43.5 on the Noometry Index. Gemma 4 31B IT costs 3.6× less per token, which makes it the better buy when MiMo-V2.6-Pro's lead doesn't matter for your workload.
Last verified . 17 shared benchmarks.
GoogleSummary
- They share 17 benchmarks with published results for both. Gemma 4 31B IT scores higher in 1 category and MiMo-V2.6-Pro in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Pro leads 43.1 to 27.2.
- The biggest single-benchmark swing is CritPt: 1.4% for Gemma 4 31B IT and 26.6% for MiMo-V2.6-Pro.
- Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.6-Pro.
- MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 262K.
Side by side
| Gemma 4 31B IT | MiMo-V2.6-Pro | |
|---|---|---|
| Provider | Xiaomi | |
| Noometry Index | 43.5 | 50.3 |
| Released | 2026-04-02 | 2026-09-21 |
| Weights | Open | Open |
| Context window | 262K | 1.05M |
| Max output | 33K | 131K |
| Input $ / M tokens | $0.09 | $0.43 |
| Output $ / M tokens | $0.34 | $0.87 |
| Results tracked | 35 | 19 |
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Category by category
Coding MiMo-V2.6-Pro leads
Gemma 4 31B IT: 42.3 (#108), MiMo-V2.6-Pro: 55.5 (#23)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| LMArena WebDev | 1366 | 1629 |
| SciCode | 43.4% | 60.9% |
| LMArena Coding | 1459 | 1534 |
| ALE-Bench | 925.5 | 1,158 |
| WeirdML | 52.3% | — |
Agentic & Tool Use Not comparable
Gemma 4 31B IT: —, MiMo-V2.6-Pro: 37.5 (#35)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| APEX-Agents | — | 59.5% |
Reasoning MiMo-V2.6-Pro leads
Gemma 4 31B IT: 27.2 (#122), MiMo-V2.6-Pro: 43.1 (#50)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| CritPt | 1.4% | 26.6% |
| LMArena Hard Prompts | 1448 | 1512 |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| Chess Puzzles | 5% | — |
| Thematic Generalization | 53% | — |
| DTBench | 82.7% | — |
| LMCA | 39.3% | — |
| Surface Evolver Bench | 30.6% | — |
| Epoch Capabilities Index | 142.74 | — |
Math MiMo-V2.6-Pro leads
Gemma 4 31B IT: 43.2 (#81), MiMo-V2.6-Pro: 54.5 (#45)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1465 | 1494 |
| OTIS Mock AIME 2024-2025 | 73.3% | — |
| ProofBench | — | 70% |
Knowledge MiMo-V2.6-Pro leads
Gemma 4 31B IT: 37.9 (#151), MiMo-V2.6-Pro: 43.5 (#92)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1465 | 1543 |
| GPQA Diamond | 75.8% | — |
| SimpleQA Verified | 10.4% | — |
| Vectara Hallucination Rate | 7.4% | — |
Multimodal Too close to call
Gemma 4 31B IT: 41.6 (#34), MiMo-V2.6-Pro: 40.8 (#43)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | 1277 | 1264 |
| LMArena Document | 1425 | — |
Multilingual MiMo-V2.6-Pro leads
Gemma 4 31B IT: 53.8 (#57), MiMo-V2.6-Pro: 56.9 (#14)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1431 | 1474 |
| LMArena Chinese | 1476 | 1529 |
| LMArena Russian | 1460 | 1480 |
| LMArena French | 1435 | — |
| LMArena Spanish | 1444 | — |
Instruction Following MiMo-V2.6-Pro leads
Gemma 4 31B IT: 75.5 (#61), MiMo-V2.6-Pro: 78.2 (#12)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1433 | 1493 |
Long Context MiMo-V2.6-Pro leads
Gemma 4 31B IT: 44.2 (#71), MiMo-V2.6-Pro: 46.0 (#27)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1446 | 1501 |
Writing & Preference MiMo-V2.6-Pro leads
Gemma 4 31B IT: 60.5 (#96), MiMo-V2.6-Pro: 66.8 (#33)
| Benchmark | Gemma 4 31B IT | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1443 | 1492 |
| LMArena Creative Writing | 1415 | 1468 |
| LMArena Multi-Turn | 1452 | 1464 |
| EQ-Bench Creative Writing | 1368 | — |
| EQ-Bench 4 | 1120 | — |
Frequently asked questions
Is Gemma 4 31B IT better than MiMo-V2.6-Pro?
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 43.5 on the Noometry Index. Gemma 4 31B IT costs 3.6× less per token, which makes it the better buy when MiMo-V2.6-Pro's lead doesn't matter for your workload.
Which is cheaper, Gemma 4 31B IT or MiMo-V2.6-Pro?
Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; MiMo-V2.6-Pro lists at $0.43 and $0.87.
Is Gemma 4 31B IT or MiMo-V2.6-Pro better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 42.3 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.6-Pro does, with 1.05M tokens against 262K.
How many benchmarks do Gemma 4 31B IT and MiMo-V2.6-Pro share?
17 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and MiMo-V2.6-Pro has 19.