Model comparison
Gemini 3.1 Pro Preview vs Muse Spark
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 50.6 on the Noometry Index.
Last verified . 27 shared benchmarks.
Google
MetaSummary
- They share 27 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 7 categories and Muse Spark in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 35.9.
- The biggest single-benchmark swing is ProofBench: 26% for Gemini 3.1 Pro Preview and 17% for Muse Spark.
Side by side
| Gemini 3.1 Pro Preview | Muse Spark | |
|---|---|---|
| Provider | Meta | |
| Noometry Index | 56.7 | 50.6 |
| Released | 2026-02-19 | 2026-04-08 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $12 | — |
| Results tracked | 71 | 27 |
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Category by category
Coding Muse Spark leads
Gemini 3.1 Pro Preview: 42.5 (#99), Muse Spark: 46.2 (#69)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| SciCode | 58.9% | 51.5% |
| LMArena Coding | 1484 | 1481 |
| SWE-bench Verified | 75.6% | — |
| DeepSWE | 11.7% | — |
| LMArena WebDev | 1447 | — |
| GSO | 22.6% | — |
| WeirdML | 72.1% | — |
| MirrorCode | 8.9% | — |
| ALE-Bench | 1,161 | — |
| AlgoTune | 2.02 | — |
Agentic & Tool Use Not comparable
Gemini 3.1 Pro Preview: 37.7 (#34), Muse Spark: —
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| Terminal-Bench | 80.2% | — |
| APEX-Agents | 35.3% | — |
| τ²-bench Banking | 26% | — |
| DeepResearch Bench | 47.8% | — |
| PostTrainBench | 22% | — |
| BALROG | 57% | — |
| ExploitBench | 26.1% | — |
| GBAEval | 0.8% | — |
| GDP.pdf | 17% | — |
| LMArena Search | 1211 | — |
| METR Time Horizons | 77% | — |
| Vending-Bench 2 | 3,774 | — |
Reasoning Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 71.7 (#12), Muse Spark: 35.9 (#67)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| CritPt | 17.7% | 11.3% |
| LMArena Hard Prompts | 1485 | 1474 |
| Epoch Capabilities Index | 154.77 | 152.04 |
| ARC-AGI-2 | 77.1% | — |
| SimpleBench | 79.6% | — |
| NYT Connections (extended) | 97.4% | — |
| ARC-AGI-1 | 98% | — |
| Chess Puzzles | 55% | — |
| EnigmaEval | 36.8% | — |
| Thematic Generalization | 79.4% | — |
| EBR-Bench | 14.3% | — |
| Mystery Game Puzzles | 34% | — |
| DTBench | 97.1% | — |
| LMCA | 53.8% | — |
| ForecastBench | 59 | — |
Math Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 62.1 (#34), Muse Spark: 47.8 (#66)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 88.9% |
| ProofBench | 26% | 17% |
| LMArena Math | 1485 | 1455 |
| FrontierMath (Feb 2025 set) | 36.9% | 39% |
| FrontierMath Tier 4 (v1) | 16.7% | 14.6% |
| FrontierMath (Tiers 1-3) | 59.6% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 86.5% | — |
Knowledge Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 71.8 (#3), Muse Spark: 65.7 (#13)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| GPQA Diamond | 94.4% | 89.8% |
| Humanity's Last Exam | 46.4% | 40.6% |
| LMArena Expert | 1485 | 1457 |
| SimpleQA Verified | 73.5% | — |
| Vectara Hallucination Rate | 10.4% | — |
Multimodal Muse Spark leads
Gemini 3.1 Pro Preview: 37.9 (#69), Muse Spark: 43.4 (#24)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| LMArena Vision | 1296 | 1306 |
| LMArena Document | 1444 | 1444 |
| Blueprint-Bench 2 | 26.5% | — |
| Furniture Assembly | 26.7% | — |
Multilingual Too close to call
Gemini 3.1 Pro Preview: 57.0 (#12), Muse Spark: 56.1 (#24)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| LMArena Non-English | 1477 | 1464 |
| LMArena Chinese | 1529 | 1509 |
| LMArena French | 1487 | 1497 |
| LMArena German | 1491 | 1497 |
| LMArena Korean | 1455 | 1459 |
| LMArena Russian | 1498 | 1466 |
| LMArena Spanish | 1479 | 1472 |
| LMArena Japanese | 1493 | — |
Instruction Following Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 77.0 (#32), Muse Spark: 75.9 (#51)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1466 | 1442 |
Long Context Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 47.4 (#18), Muse Spark: 44.4 (#69)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1483 | 1451 |
| CL-bench | 20.8% | — |
| CL-bench Life | 16.9% | — |
Writing & Preference Too close to call
Gemini 3.1 Pro Preview: 66.1 (#37), Muse Spark: 66.0 (#39)
| Benchmark | Gemini 3.1 Pro Preview | Muse Spark |
|---|---|---|
| LMArena Text | 1481 | 1474 |
| LMArena Creative Writing | 1482 | 1459 |
| LMArena Multi-Turn | 1488 | 1477 |
| EQ-Bench Creative Writing | 1491 | — |
| EQ-Bench 4 | 1142 | — |
Frequently asked questions
Is Gemini 3.1 Pro Preview better than Muse Spark?
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 50.6 on the Noometry Index.
Is Gemini 3.1 Pro Preview or Muse Spark better for coding?
Muse Spark scores higher on coding benchmarks: 46.2 versus 42.5 in the Noometry coding category.
How many benchmarks do Gemini 3.1 Pro Preview and Muse Spark share?
27 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Muse Spark has 27.