Model comparison
Devstral Medium vs Muse Spark 1.3
Muse Spark 1.3 has enough public results to be ranked (#27); Devstral Medium does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
Mistral AI
MetaSummary
- They share 1 benchmark with published results for both. Devstral Medium scores higher in 0 categories and Muse Spark 1.3 in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.3 leads 54.0 to 21.1.
- Devstral Medium is cheaper at $0.40 / $2 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.3.
- Muse Spark 1.3 accepts more context: 1.05M tokens versus 262K.
- Devstral Medium has downloadable open weights; the other is API-only.
Side by side
| Devstral Medium | Muse Spark 1.3 | |
|---|---|---|
| Provider | Mistral AI | Meta |
| Noometry Index | 30.1 | 54.8 |
| Released | 2025-07-10 | 2026-09-02 |
| Weights | Open | Proprietary |
| Context window | 262K | 1.05M |
| Max output | 262K | 131K |
| Input $ / M tokens | $0.40 | $1.25 |
| Output $ / M tokens | $2 | $4.25 |
| Results tracked | 2 | 37 |
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Category by category
Coding Muse Spark 1.3 leads
Devstral Medium: 24.3, Muse Spark 1.3: 56.6 (#21)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| LMArena WebDev | 1076 | 1657 |
| CursorBench | — | 41.6% |
| SciCode | — | 59.7% |
| LMArena Coding | — | 1514 |
Agentic & Tool Use Not comparable
Devstral Medium: —, Muse Spark 1.3: 38.6 (#30)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | — | 57.8% |
| GDP.pdf | — | 27.6% |
Reasoning Muse Spark 1.3 leads
Devstral Medium: 21.1, Muse Spark 1.3: 54.0 (#27)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| NYT Connections (extended) | — | 85.1% |
| CritPt | — | 26% |
| Chess Puzzles | — | 38% |
| LMArena Hard Prompts | — | 1503 |
| Mystery Game Puzzles | — | 25% |
| DTBench | — | 96.5% |
| LMCA | — | 53.9% |
| Bench to the Future 3 | — | 0.14 |
| Epoch Capabilities Index | — | 156.75 |
Math Not comparable
Devstral Medium: —, Muse Spark 1.3: 73.1 (#21)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 74.4% |
| FrontierMath Tier 4 | — | 46.3% |
| OTIS Mock AIME 2024-2025 | — | 99.2% |
| ProofBench | — | 58% |
| LMArena Math | — | 1494 |
Knowledge Not comparable
Devstral Medium: —, Muse Spark 1.3: 42.6 (#95)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | — | 1516 |
Multimodal Not comparable
Devstral Medium: —, Muse Spark 1.3: 43.7 (#22)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | — | 1309 |
| LMArena Document | — | 1471 |
Multilingual Not comparable
Devstral Medium: —, Muse Spark 1.3: 57.4 (#8)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | — | 1481 |
| LMArena Chinese | — | 1529 |
| LMArena French | — | 1524 |
| LMArena German | — | 1515 |
| LMArena Japanese | — | 1474 |
| LMArena Korean | — | 1501 |
| LMArena Russian | — | 1490 |
| LMArena Spanish | — | 1490 |
Instruction Following Not comparable
Devstral Medium: —, Muse Spark 1.3: 77.5 (#22)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | — | 1477 |
Long Context Not comparable
Devstral Medium: —, Muse Spark 1.3: 45.6 (#32)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | — | 1488 |
Writing & Preference Not comparable
Devstral Medium: —, Muse Spark 1.3: 73.6 (#9)
| Benchmark | Devstral Medium | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | — | 1490 |
| LMArena Creative Writing | — | 1455 |
| EQ-Bench Creative Writing | — | 1906 |
| LMArena Multi-Turn | — | 1482 |
Frequently asked questions
Is Devstral Medium better than Muse Spark 1.3?
Muse Spark 1.3 has enough public results to be ranked (#27); Devstral Medium does not yet, so treat this comparison as directional.
Which is cheaper, Devstral Medium or Muse Spark 1.3?
Devstral Medium is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; Muse Spark 1.3 lists at $1.25 and $4.25.
Is Devstral Medium or Muse Spark 1.3 better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 24.3 in the Noometry coding category.
Which has the bigger context window?
Muse Spark 1.3 does, with 1.05M tokens against 262K.
How many benchmarks do Devstral Medium and Muse Spark 1.3 share?
1 benchmark has published results for both models. Devstral Medium has 2 scored results on Noometry and Muse Spark 1.3 has 37.