Model comparison
Gemma 4 31B IT vs Kimi K2.5 Instant
Gemma 4 31B IT and Kimi K2.5 Instant score almost the same on the Noometry Index (43.5 vs 43.6), so choose on price, context window or the category you care about most.
Last verified . 16 shared benchmarks.
Summary
- They share 16 benchmarks with published results for both. Gemma 4 31B IT scores higher in 5 categories and Kimi K2.5 Instant in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemma 4 31B IT leads 43.2 to 39.4.
Side by side
| Gemma 4 31B IT | Kimi K2.5 Instant | |
|---|---|---|
| Provider | Moonshot AI | |
| Noometry Index | 43.5 | 43.6 |
| Released | 2026-04-02 | — |
| Weights | Open | Open |
| Context window | 262K | — |
| Max output | 33K | — |
| Input $ / M tokens | $0.09 | — |
| Output $ / M tokens | $0.34 | — |
| Results tracked | 35 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Too close to call
Gemma 4 31B IT: 42.3 (#108), Kimi K2.5 Instant: 42.6 (#97)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena WebDev | 1366 | 1404 |
| LMArena Coding | 1459 | 1484 |
| SciCode | 43.4% | — |
| WeirdML | 52.3% | — |
| ALE-Bench | 925.5 | — |
Reasoning Kimi K2.5 Instant leads
Gemma 4 31B IT: 27.2 (#122), Kimi K2.5 Instant: 29.7 (#90)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1443 |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| CritPt | 1.4% | — |
| Chess Puzzles | 5% | — |
| Thematic Generalization | 53% | — |
| DTBench | 82.7% | — |
| LMCA | 39.3% | — |
| Surface Evolver Bench | 30.6% | — |
| Epoch Capabilities Index | 142.74 | — |
Math Gemma 4 31B IT leads
Gemma 4 31B IT: 43.2 (#81), Kimi K2.5 Instant: 39.4 (#105)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1465 | 1442 |
| OTIS Mock AIME 2024-2025 | 73.3% | — |
Knowledge Kimi K2.5 Instant leads
Gemma 4 31B IT: 37.9 (#151), Kimi K2.5 Instant: 40.2 (#123)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1465 | 1440 |
| GPQA Diamond | 75.8% | — |
| SimpleQA Verified | 10.4% | — |
| Vectara Hallucination Rate | 7.4% | — |
Multimodal Gemma 4 31B IT leads
Gemma 4 31B IT: 41.6 (#34), Kimi K2.5 Instant: 40.2 (#50)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | 1277 | 1254 |
| LMArena Document | 1425 | — |
Multilingual Gemma 4 31B IT leads
Gemma 4 31B IT: 53.8 (#57), Kimi K2.5 Instant: 52.0 (#94)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1431 | 1406 |
| LMArena Chinese | 1476 | 1449 |
| LMArena French | 1435 | 1403 |
| LMArena Russian | 1460 | 1404 |
| LMArena Spanish | 1444 | 1447 |
| LMArena German | — | 1413 |
| LMArena Korean | — | 1378 |
Instruction Following Too close to call
Gemma 4 31B IT: 75.5 (#61), Kimi K2.5 Instant: 75.3 (#65)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1433 | 1430 |
Long Context Too close to call
Gemma 4 31B IT: 44.2 (#71), Kimi K2.5 Instant: 43.9 (#83)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1446 | 1435 |
Writing & Preference Too close to call
Gemma 4 31B IT: 60.5 (#96), Kimi K2.5 Instant: 60.6 (#95)
| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1443 | 1420 |
| LMArena Creative Writing | 1415 | 1381 |
| LMArena Multi-Turn | 1452 | 1427 |
| EQ-Bench Creative Writing | 1368 | — |
| EQ-Bench 4 | 1120 | — |
Frequently asked questions
Is Gemma 4 31B IT better than Kimi K2.5 Instant?
Gemma 4 31B IT and Kimi K2.5 Instant score almost the same on the Noometry Index (43.5 vs 43.6), so choose on price, context window or the category you care about most.
Is Gemma 4 31B IT or Kimi K2.5 Instant better for coding?
They score almost the same on coding (42.3 vs 42.6); test both on your own repository before choosing.
How many benchmarks do Gemma 4 31B IT and Kimi K2.5 Instant share?
16 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Kimi K2.5 Instant has 18.