Model comparison
Devstral Small 2505 vs Gemma 2 27B
Devstral Small 2505 is the stronger model overall, scoring 33.9 to 29.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AI
GoogleSummary
- The widest gap is in coding, where Devstral Small 2505 leads 38.6 to 33.5.
- Devstral Small 2505 is cheaper at $0.10 / $0.30 per million input/output tokens, against $0.65 / $0.65 for Gemma 2 27B.
- Devstral Small 2505 accepts more context: 128K tokens versus 8K.
Side by side
| Devstral Small 2505 | Gemma 2 27B | |
|---|---|---|
| Provider | Mistral AI | |
| Noometry Index | 33.9 | 29.2 |
| Released | 2025-05-07 | 2024-06-24 |
| Weights | Open | Open |
| Context window | 128K | 8K |
| Max output | 128K | 2K |
| Input $ / M tokens | $0.10 | $0.65 |
| Output $ / M tokens | $0.30 | $0.65 |
| Results tracked | 4 | 34 |
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Category by category
Coding Devstral Small 2505 leads
Devstral Small 2505: 38.6 (#160), Gemma 2 27B: 33.5 (#243)
| Benchmark | Devstral Small 2505 | Gemma 2 27B |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| BigCodeBench Instruct | — | 42.8% |
| LiveBench Coding | — | 36% |
| LMArena Coding | — | 1211 |
| BigCodeBench Complete | — | 52.5% |
Reasoning Devstral Small 2505 leads
Devstral Small 2505: 19.1 (#243), Gemma 2 27B: 14.8 (#313)
| Benchmark | Devstral Small 2505 | Gemma 2 27B |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LiveBench Reasoning | — | 28.1% |
| LMArena Hard Prompts | — | 1199 |
| DTBench | — | 48% |
| LiveBench Data Analysis | — | 47.9% |
| LMCA | — | 7.1% |
| Epoch Capabilities Index | — | 122.06 |
| LiveBench | — | 38.2% |
Math Not comparable
Devstral Small 2505: —, Gemma 2 27B: 10.0 (#306)
| Benchmark | Devstral Small 2505 | Gemma 2 27B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 1.4% |
| LiveBench Math | — | 26.5% |
| LMArena Math | — | 1212 |
| MATH Level 5 | — | 27.9% |
Knowledge Not comparable
Devstral Small 2505: —, Gemma 2 27B: 18.9 (#275)
| Benchmark | Devstral Small 2505 | Gemma 2 27B |
|---|---|---|
| GPQA Diamond | — | 36.5% |
| Confabulations | — | 27.1% |
| LMArena Expert | — | 1172 |
| MMLU | — | 75.7% |
Multilingual Not comparable
Devstral Small 2505: —, Gemma 2 27B: 38.8 (#221)
| Benchmark | Devstral Small 2505 | Gemma 2 27B |
|---|---|---|
| LMArena Non-English | — | 1217 |
| LMArena Chinese | — | 1221 |
| LMArena French | — | 1246 |
| LMArena German | — | 1209 |
| LMArena Japanese | — | 1175 |
| LMArena Korean | — | 1174 |
| LMArena Russian | — | 1234 |
| LMArena Spanish | — | 1228 |
Instruction Following Not comparable
Devstral Small 2505: —, Gemma 2 27B: 60.7 (#244)
| Benchmark | Devstral Small 2505 | Gemma 2 27B |
|---|---|---|
| LiveBench Instruction Following | — | 58.1% |
| LMArena Instruction Following | — | 1206 |
Long Context Not comparable
Devstral Small 2505: —, Gemma 2 27B: 37.3 (#213)
| Benchmark | Devstral Small 2505 | Gemma 2 27B |
|---|---|---|
| LMArena Longer Query | — | 1231 |
Writing & Preference Not comparable
Devstral Small 2505: —, Gemma 2 27B: 44.4 (#220)
| Benchmark | Devstral Small 2505 | Gemma 2 27B |
|---|---|---|
| LMArena Text | — | 1231 |
| LMArena Creative Writing | — | 1241 |
| LMArena Multi-Turn | — | 1224 |
| LiveBench Language | — | 32.6% |
Frequently asked questions
Is Devstral Small 2505 better than Gemma 2 27B?
Devstral Small 2505 is the stronger model overall, scoring 33.9 to 29.2 on the Noometry Index.
Which is cheaper, Devstral Small 2505 or Gemma 2 27B?
Devstral Small 2505 is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; Gemma 2 27B lists at $0.65 and $0.65.
Is Devstral Small 2505 or Gemma 2 27B better for coding?
Devstral Small 2505 scores higher on coding benchmarks: 38.6 versus 33.5 in the Noometry coding category.
Which has the bigger context window?
Devstral Small 2505 does, with 128K tokens against 8K.
How many benchmarks do Devstral Small 2505 and Gemma 2 27B share?
0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Gemma 2 27B has 34.