Model comparison
Mistral Medium 3.1 vs Muse Spark 1.3
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 31.9 on the Noometry Index. Mistral Medium 3.1 costs 2.5× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.
Last verified . 2 shared benchmarks.
Mistral AI
MetaSummary
- They share 2 benchmarks with published results for both. Mistral Medium 3.1 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 10.6.
- The biggest single-benchmark swing is NYT Connections (extended): 6.5% for Mistral Medium 3.1 and 85.1% for Muse Spark 1.3.
- Mistral Medium 3.1 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 131K.
Side by side
| Mistral Medium 3.1 | Muse Spark 1.3 | |
|---|---|---|
| Provider | Mistral AI | Meta |
| Noometry Index | 31.9 | 54.8 |
| Released | — | 2026-09-02 |
| Weights | Proprietary | Proprietary |
| Context window | 131K | 1.05M |
| Max output | 105K | 131K |
| Input $ / M tokens | $0.40 | $1.25 |
| Output $ / M tokens | $2 | $4.25 |
| Results tracked | 3 | 37 |
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Category by category
Coding Not comparable
Mistral Medium 3.1: —, Muse Spark 1.3: 56.6 (#21)
| Benchmark | Mistral Medium 3.1 | Muse Spark 1.3 |
|---|---|---|
| CursorBench | — | 41.6% |
| LMArena WebDev | — | 1657 |
| SciCode | — | 59.7% |
| LMArena Coding | — | 1514 |
Agentic & Tool Use Not comparable
Mistral Medium 3.1: —, Muse Spark 1.3: 38.6 (#30)
| Benchmark | Mistral Medium 3.1 | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | — | 57.8% |
| GDP.pdf | — | 27.6% |
Reasoning Muse Spark 1.3 leads
Mistral Medium 3.1: 10.6 (#341), Muse Spark 1.3: 54.0 (#27)
| Benchmark | Mistral Medium 3.1 | Muse Spark 1.3 |
|---|---|---|
| NYT Connections (extended) | 6.5% | 85.1% |
| CritPt | — | 26% |
| Chess Puzzles | — | 38% |
| Thematic Generalization | 20.3% | — |
| 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
Mistral Medium 3.1: —, Muse Spark 1.3: 73.1 (#21)
| Benchmark | Mistral Medium 3.1 | 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
Mistral Medium 3.1: —, Muse Spark 1.3: 42.6 (#95)
| Benchmark | Mistral Medium 3.1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | — | 1516 |
Multimodal Not comparable
Mistral Medium 3.1: —, Muse Spark 1.3: 43.7 (#22)
| Benchmark | Mistral Medium 3.1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | — | 1309 |
| LMArena Document | — | 1471 |
Multilingual Not comparable
Mistral Medium 3.1: —, Muse Spark 1.3: 57.4 (#8)
| Benchmark | Mistral Medium 3.1 | 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
Mistral Medium 3.1: —, Muse Spark 1.3: 77.5 (#22)
| Benchmark | Mistral Medium 3.1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | — | 1477 |
Long Context Not comparable
Mistral Medium 3.1: —, Muse Spark 1.3: 45.6 (#32)
| Benchmark | Mistral Medium 3.1 | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | — | 1488 |
Writing & Preference Muse Spark 1.3 leads
Mistral Medium 3.1: 55.5 (#145), Muse Spark 1.3: 73.6 (#9)
| Benchmark | Mistral Medium 3.1 | Muse Spark 1.3 |
|---|---|---|
| EQ-Bench Creative Writing | 1476 | 1906 |
| LMArena Text | — | 1490 |
| LMArena Creative Writing | — | 1455 |
| LMArena Multi-Turn | — | 1482 |
Frequently asked questions
Is Mistral Medium 3.1 better than Muse Spark 1.3?
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 31.9 on the Noometry Index. Mistral Medium 3.1 costs 2.5× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.
Which is cheaper, Mistral Medium 3.1 or Muse Spark 1.3?
Mistral Medium 3.1 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.
Which has the bigger context window?
Muse Spark 1.3 does, with 1.05M tokens against 131K.
How many benchmarks do Mistral Medium 3.1 and Muse Spark 1.3 share?
2 benchmarks have published results for both models. Mistral Medium 3.1 has 3 scored results on Noometry and Muse Spark 1.3 has 37.