Model comparison
Devstral Small 2505 vs MiMo-V2.6-Flash
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 34.3 on the Noometry Index.
Last verified . 2 shared benchmarks.
Mistral AISummary
- They share 2 benchmarks with published results for both. Devstral Small 2505 scores higher in 0 categories and MiMo-V2.6-Flash in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Flash leads 36.5 to 19.7.
- The biggest single-benchmark swing is SciCode: 28.8% for Devstral Small 2505 and 51.3% for MiMo-V2.6-Flash.
- Devstral Small 2505 is cheaper at $0.10 / $0.30 per million input/output tokens, against $0.14 / $0.28 for MiMo-V2.6-Flash.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 128K.
Side by side
| Devstral Small 2505 | MiMo-V2.6-Flash | |
|---|---|---|
| Provider | Mistral AI | Xiaomi |
| Noometry Index | 34.3 | 48.5 |
| Released | 2025-05-07 | 2026-09-21 |
| Weights | Open | Open |
| Context window | 128K | 1.05M |
| Max output | 128K | 131K |
| Input $ / M tokens | $0.10 | $0.14 |
| Output $ / M tokens | $0.30 | $0.28 |
| Results tracked | 4 | 19 |
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Category by category
Coding MiMo-V2.6-Flash leads
Devstral Small 2505: 38.9 (#166), MiMo-V2.6-Flash: 53.4 (#30)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| SciCode | 28.8% | 51.3% |
| SWE-bench Verified (bash only) | 56.4% | — |
| LMArena WebDev | — | 1637 |
| LMArena Coding | — | 1504 |
Reasoning MiMo-V2.6-Flash leads
Devstral Small 2505: 19.7 (#252), MiMo-V2.6-Flash: 36.5 (#66)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| CritPt | 0% | 12% |
| Kagi LLM Benchmark | 37.7% | — |
| LMArena Hard Prompts | — | 1482 |
Math Not comparable
Devstral Small 2505: —, MiMo-V2.6-Flash: 51.9 (#52)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| ProofBench | — | 63% |
| LMArena Math | — | 1468 |
Knowledge Not comparable
Devstral Small 2505: —, MiMo-V2.6-Flash: 42.2 (#99)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | — | 1501 |
Multimodal Not comparable
Devstral Small 2505: —, MiMo-V2.6-Flash: 40.5 (#47)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | — | 1259 |
Multilingual Not comparable
Devstral Small 2505: —, MiMo-V2.6-Flash: 54.0 (#51)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | — | 1434 |
| LMArena Chinese | — | 1511 |
| LMArena French | — | 1475 |
| LMArena Russian | — | 1409 |
| LMArena Spanish | — | 1456 |
Instruction Following Not comparable
Devstral Small 2505: —, MiMo-V2.6-Flash: 76.8 (#35)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | — | 1463 |
Long Context Not comparable
Devstral Small 2505: —, MiMo-V2.6-Flash: 44.8 (#57)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | — | 1463 |
Writing & Preference Not comparable
Devstral Small 2505: —, MiMo-V2.6-Flash: 63.1 (#67)
| Benchmark | Devstral Small 2505 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | — | 1455 |
| LMArena Creative Writing | — | 1400 |
| LMArena Multi-Turn | — | 1451 |
Frequently asked questions
Is Devstral Small 2505 better than MiMo-V2.6-Flash?
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 34.3 on the Noometry Index.
Which is cheaper, Devstral Small 2505 or MiMo-V2.6-Flash?
Devstral Small 2505 is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; MiMo-V2.6-Flash lists at $0.14 and $0.28.
Is Devstral Small 2505 or MiMo-V2.6-Flash better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 38.9 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.6-Flash does, with 1.05M tokens against 128K.
How many benchmarks do Devstral Small 2505 and MiMo-V2.6-Flash share?
2 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and MiMo-V2.6-Flash has 19.