Model comparison
Gemma 2 27B vs MiMo-V2.5
MiMo-V2.5 is the stronger model overall, scoring 43.0 to 29.2 on the Noometry Index.
Last verified . 17 shared benchmarks.
GoogleSummary
- They share 17 benchmarks with published results for both. Gemma 2 27B scores higher in 0 categories and MiMo-V2.5 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where MiMo-V2.5 leads 35.4 to 10.0.
- MiMo-V2.5 is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.65 / $0.65 for Gemma 2 27B.
- MiMo-V2.5 accepts more context: 1.05M tokens versus 8K.
Side by side
| Gemma 2 27B | MiMo-V2.5 | |
|---|---|---|
| Provider | Xiaomi | |
| Noometry Index | 29.2 | 43.0 |
| Released | 2024-06-24 | 2026-04-22 |
| Weights | Open | Open |
| Context window | 8K | 1.05M |
| Max output | 2K | 131K |
| Input $ / M tokens | $0.65 | $0.14 |
| Output $ / M tokens | $0.65 | $0.28 |
| Results tracked | 34 | 23 |
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Category by category
Coding MiMo-V2.5 leads
Gemma 2 27B: 33.5 (#243), MiMo-V2.5: 43.6 (#75)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Coding | 1211 | 1469 |
| LMArena WebDev | — | 1438 |
| SciCode | — | 43.1% |
| BigCodeBench Instruct | 42.8% | — |
| LiveBench Coding | 36% | — |
| BigCodeBench Complete | 52.5% | — |
| ALE-Bench | — | 513.95 |
Reasoning MiMo-V2.5 leads
Gemma 2 27B: 14.8 (#313), MiMo-V2.5: 27.8 (#98)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Hard Prompts | 1199 | 1450 |
| CritPt | — | 3.7% |
| LiveBench Reasoning | 28.1% | — |
| DTBench | 48% | — |
| LiveBench Data Analysis | 47.9% | — |
| LMCA | 7.1% | — |
| Epoch Capabilities Index | 122.06 | — |
| LiveBench | 38.2% | — |
Math MiMo-V2.5 leads
Gemma 2 27B: 10.0 (#306), MiMo-V2.5: 35.4 (#145)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Math | 1212 | 1436 |
| OTIS Mock AIME 2024-2025 | 1.4% | — |
| ProofBench | — | 16% |
| LiveBench Math | 26.5% | — |
| MATH Level 5 | 27.9% | — |
Knowledge MiMo-V2.5 leads
Gemma 2 27B: 18.9 (#275), MiMo-V2.5: 40.2 (#109)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1172 | 1459 |
| GPQA Diamond | 36.5% | — |
| Confabulations | 27.1% | — |
| MMLU | 75.7% | — |
Multimodal Not comparable
Gemma 2 27B: —, MiMo-V2.5: 39.0 (#53)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1245 |
Multilingual MiMo-V2.5 leads
Gemma 2 27B: 38.8 (#221), MiMo-V2.5: 52.0 (#96)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1217 | 1404 |
| LMArena Chinese | 1221 | 1467 |
| LMArena French | 1246 | 1447 |
| LMArena German | 1209 | 1421 |
| LMArena Japanese | 1175 | 1304 |
| LMArena Korean | 1174 | 1363 |
| LMArena Russian | 1234 | 1395 |
| LMArena Spanish | 1228 | 1412 |
Instruction Following MiMo-V2.5 leads
Gemma 2 27B: 60.7 (#244), MiMo-V2.5: 75.7 (#55)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1206 | 1433 |
| LiveBench Instruction Following | 58.1% | — |
Long Context MiMo-V2.5 leads
Gemma 2 27B: 37.3 (#213), MiMo-V2.5: 44.1 (#69)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1231 | 1444 |
Writing & Preference MiMo-V2.5 leads
Gemma 2 27B: 44.4 (#220), MiMo-V2.5: 61.8 (#82)
| Benchmark | Gemma 2 27B | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1231 | 1427 |
| LMArena Creative Writing | 1241 | 1392 |
| LMArena Multi-Turn | 1224 | 1445 |
| LiveBench Language | 32.6% | — |
Frequently asked questions
Is Gemma 2 27B better than MiMo-V2.5?
MiMo-V2.5 is the stronger model overall, scoring 43.0 to 29.2 on the Noometry Index.
Which is cheaper, Gemma 2 27B or MiMo-V2.5?
MiMo-V2.5 is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Gemma 2 27B lists at $0.65 and $0.65.
Is Gemma 2 27B or MiMo-V2.5 better for coding?
MiMo-V2.5 scores higher on coding benchmarks: 43.6 versus 33.5 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.5 does, with 1.05M tokens against 8K.
How many benchmarks do Gemma 2 27B and MiMo-V2.5 share?
17 benchmarks have published results for both models. Gemma 2 27B has 34 scored results on Noometry and MiMo-V2.5 has 23.