Model comparison
Gemini 3.1 Pro Preview vs Muse Glimmer
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 41.7 on the Noometry Index.
Last verified . 15 shared benchmarks.
Google
MetaSummary
- They share 15 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 8 categories and Muse Glimmer in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 25.7.
- The biggest single-benchmark swing is CritPt: 17.7% for Gemini 3.1 Pro Preview and 2.6% for Muse Glimmer.
- Muse Glimmer has downloadable open weights; the other is API-only.
Side by side
| Gemini 3.1 Pro Preview | Muse Glimmer | |
|---|---|---|
| Provider | Meta | |
| Noometry Index | 56.7 | 41.7 |
| Released | 2026-02-19 | 2026-08-10 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $12 | — |
| Results tracked | 71 | 15 |
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Category by category
Coding Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 42.5 (#99), Muse Glimmer: 40.4 (#142)
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| LMArena WebDev | 1447 | 1355 |
| SciCode | 58.9% | 44.9% |
| LMArena Coding | 1484 | 1416 |
| SWE-bench Verified | 75.6% | — |
| DeepSWE | 11.7% | — |
| 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 Glimmer: —
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| 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 Glimmer: 25.7 (#144)
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| CritPt | 17.7% | 2.6% |
| LMArena Hard Prompts | 1485 | 1396 |
| 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% | — |
| Epoch Capabilities Index | 154.77 | — |
| ForecastBench | 59 | — |
Math Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 62.1 (#34), Muse Glimmer: 38.8 (#125)
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| LMArena Math | 1485 | 1417 |
| FrontierMath (Tiers 1-3) | 59.6% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 86.5% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| ProofBench | 26% | — |
| FrontierMath (Feb 2025 set) | 36.9% | — |
| FrontierMath Tier 4 (v1) | 16.7% | — |
Knowledge Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 71.8 (#3), Muse Glimmer: 38.5 (#143)
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1485 | 1386 |
| GPQA Diamond | 94.4% | — |
| Humanity's Last Exam | 46.4% | — |
| SimpleQA Verified | 73.5% | — |
| Vectara Hallucination Rate | 10.4% | — |
Multimodal Not comparable
Gemini 3.1 Pro Preview: 37.9 (#69), Muse Glimmer: —
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| LMArena Vision | 1296 | — |
| Blueprint-Bench 2 | 26.5% | — |
| Furniture Assembly | 26.7% | — |
| LMArena Document | 1444 | — |
Multilingual Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 57.0 (#12), Muse Glimmer: 50.5 (#122)
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1477 | 1384 |
| LMArena Chinese | 1529 | 1412 |
| LMArena Russian | 1498 | 1390 |
| LMArena French | 1487 | — |
| LMArena German | 1491 | — |
| LMArena Japanese | 1493 | — |
| LMArena Korean | 1455 | — |
| LMArena Spanish | 1479 | — |
Instruction Following Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 77.0 (#32), Muse Glimmer: 72.6 (#135)
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1466 | 1375 |
Long Context Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 47.4 (#18), Muse Glimmer: 42.1 (#129)
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1483 | 1382 |
| CL-bench | 20.8% | — |
| CL-bench Life | 16.9% | — |
Writing & Preference Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 66.1 (#37), Muse Glimmer: 57.5 (#126)
| Benchmark | Gemini 3.1 Pro Preview | Muse Glimmer |
|---|---|---|
| LMArena Text | 1481 | 1389 |
| LMArena Creative Writing | 1482 | 1339 |
| LMArena Multi-Turn | 1488 | 1399 |
| EQ-Bench Creative Writing | 1491 | — |
| EQ-Bench 4 | 1142 | — |
Frequently asked questions
Is Gemini 3.1 Pro Preview better than Muse Glimmer?
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 41.7 on the Noometry Index.
Is Gemini 3.1 Pro Preview or Muse Glimmer better for coding?
Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.5 versus 40.4 in the Noometry coding category.
How many benchmarks do Gemini 3.1 Pro Preview and Muse Glimmer share?
15 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Muse Glimmer has 15.