Model comparison
Devstral Small 2505 vs Ministral 8B
Devstral Small 2505 is the stronger model overall, scoring 34.3 to 28.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AISummary
- The widest gap is in coding, where Devstral Small 2505 leads 38.9 to 35.0.
- Both cost about the same: $0.10 input and $0.30 output per million tokens.
- Ministral 8B accepts more context: 262K tokens versus 128K.
Side by side
| Devstral Small 2505 | Ministral 8B | |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Noometry Index | 34.3 | 28.2 |
| Released | 2025-05-07 | 2024-10-01 |
| Weights | Open | Open |
| Context window | 128K | 262K |
| Max output | 128K | 262K |
| Input $ / M tokens | $0.10 | $0.15 |
| Output $ / M tokens | $0.30 | $0.15 |
| Results tracked | 4 | 17 |
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Category by category
Coding Devstral Small 2505 leads
Devstral Small 2505: 38.9 (#166), Ministral 8B: 35.0 (#230)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| LMArena Coding | — | 1202 |
Agentic & Tool Use Not comparable
Devstral Small 2505: —, Ministral 8B: 16.4 (#148)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 11.1% |
Reasoning Devstral Small 2505 leads
Devstral Small 2505: 19.7 (#252), Ministral 8B: 18.4 (#281)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1191 |
| DTBench | — | 45.7% |
Math Not comparable
Devstral Small 2505: —, Ministral 8B: 25.7 (#267)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| LMArena Math | — | 1188 |
| MATH Level 5 | — | 14.9% |
Knowledge Not comparable
Devstral Small 2505: —, Ministral 8B: 12.6 (#297)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| GPQA Diamond | — | 27.1% |
| Vectara Hallucination Rate | — | 7.4% |
| LMArena Expert | — | 1170 |
Multilingual Not comparable
Devstral Small 2505: —, Ministral 8B: 35.1 (#247)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| LMArena Non-English | — | 1165 |
| LMArena Chinese | — | 1193 |
| LMArena Russian | — | 1195 |
Instruction Following Not comparable
Devstral Small 2505: —, Ministral 8B: 60.5 (#250)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| LMArena Instruction Following | — | 1161 |
Long Context Not comparable
Devstral Small 2505: —, Ministral 8B: 36.7 (#227)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| LMArena Longer Query | — | 1212 |
Writing & Preference Not comparable
Devstral Small 2505: —, Ministral 8B: 39.6 (#246)
| Benchmark | Devstral Small 2505 | Ministral 8B |
|---|---|---|
| LMArena Text | — | 1191 |
| LMArena Creative Writing | — | 1175 |
| LMArena Multi-Turn | — | 1166 |
Frequently asked questions
Is Devstral Small 2505 better than Ministral 8B?
Devstral Small 2505 is the stronger model overall, scoring 34.3 to 28.2 on the Noometry Index.
Which is cheaper, Devstral Small 2505 or Ministral 8B?
Ministral 8B is cheaper. It lists at $0.15 per million input tokens and $0.15 per million output tokens; Devstral Small 2505 lists at $0.10 and $0.30.
Is Devstral Small 2505 or Ministral 8B better for coding?
Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 35.0 in the Noometry coding category.
Which has the bigger context window?
Ministral 8B does, with 262K tokens against 128K.
How many benchmarks do Devstral Small 2505 and Ministral 8B share?
0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Ministral 8B has 17.