Model comparison
Devstral Small 2505 vs Gemini 1.5 Flash 8B
Devstral Small 2505 is the stronger model overall, scoring 34.3 to 29.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AI
GoogleSummary
- The widest gap is in coding, where Devstral Small 2505 leads 38.9 to 35.5.
- Devstral Small 2505 has downloadable open weights; the other is API-only.
Side by side
| Devstral Small 2505 | Gemini 1.5 Flash 8B | |
|---|---|---|
| Provider | Mistral AI | |
| Noometry Index | 34.3 | 29.9 |
| Released | 2025-05-07 | 2024-10-03 |
| Weights | Open | Proprietary |
| Context window | 128K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.30 | — |
| Results tracked | 4 | 21 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Devstral Small 2505 leads
Devstral Small 2505: 38.9 (#166), Gemini 1.5 Flash 8B: 35.5 (#225)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| LMArena Coding | — | 1218 |
Reasoning Too close to call
Devstral Small 2505: 19.7 (#252), Gemini 1.5 Flash 8B: 20.0 (#244)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1209 |
| DTBench | — | 50% |
Math Not comparable
Devstral Small 2505: —, Gemini 1.5 Flash 8B: 14.2 (#302)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 4.6% |
| LMArena Math | — | 1207 |
Knowledge Not comparable
Devstral Small 2505: —, Gemini 1.5 Flash 8B: 16.0 (#289)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| GPQA Diamond | — | 33% |
| LMArena Expert | — | 1185 |
Multimodal Not comparable
Devstral Small 2505: —, Gemini 1.5 Flash 8B: 28.2 (#115)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Vision | — | 1044 |
Multilingual Not comparable
Devstral Small 2505: —, Gemini 1.5 Flash 8B: 38.5 (#229)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Non-English | — | 1215 |
| LMArena Chinese | — | 1231 |
| LMArena French | — | 1234 |
| LMArena German | — | 1206 |
| LMArena Japanese | — | 1150 |
| LMArena Korean | — | 1140 |
| LMArena Russian | — | 1236 |
| LMArena Spanish | — | 1212 |
Instruction Following Not comparable
Devstral Small 2505: —, Gemini 1.5 Flash 8B: 62.8 (#236)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Instruction Following | — | 1199 |
Long Context Not comparable
Devstral Small 2505: —, Gemini 1.5 Flash 8B: 37.0 (#225)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Longer Query | — | 1219 |
Writing & Preference Not comparable
Devstral Small 2505: —, Gemini 1.5 Flash 8B: 42.8 (#232)
| Benchmark | Devstral Small 2505 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Text | — | 1226 |
| LMArena Creative Writing | — | 1218 |
| LMArena Multi-Turn | — | 1185 |
Frequently asked questions
Is Devstral Small 2505 better than Gemini 1.5 Flash 8B?
Devstral Small 2505 is the stronger model overall, scoring 34.3 to 29.9 on the Noometry Index.
Is Devstral Small 2505 or Gemini 1.5 Flash 8B better for coding?
Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 35.5 in the Noometry coding category.
How many benchmarks do Devstral Small 2505 and Gemini 1.5 Flash 8B share?
0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Gemini 1.5 Flash 8B has 21.