# Gemini 2.5 Flash vs Muse Spark

> Muse Spark is the stronger model overall, scoring 50.6 to 39.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-5-flash-vs-muse-spark
- Last updated: 2026-10-11
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 1 category and Muse Spark in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 36.4.
- The biggest single-benchmark swing is Humanity's Last Exam: 12.1% for Gemini 2.5 Flash and 40.6% for Muse Spark.

## Snapshot

| | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| Provider | Google | Meta |
| Noometry Index | 39.3 | 50.6 |
| Rank | 170 | 46 |
| Context | 1.05M | — |
| Input $/M | $0.30 | — |
| Output $/M | $2.50 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.5 Flash: 35.8 (#220)
- Muse Spark: 46.2 (#69)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| LMArena Coding | 1424 | 1481 |
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| SciCode | — | 51.5% |
| WeirdML | 41.9% | — |
| ALE-Bench | 661.88 | — |

## Agentic & Tool Use

- Gemini 2.5 Flash: 30.8 (#74)
- Muse Spark: —

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |

## Reasoning

- Gemini 2.5 Flash: 18.1 (#286)
- Muse Spark: 35.9 (#67)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| CritPt | 1.1% | 11.3% |
| LMArena Hard Prompts | 1422 | 1474 |
| Epoch Capabilities Index | 143.03 | 152.04 |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| Kagi LLM Benchmark | 56.8% | — |
| ARC-AGI-1 | 33.3% | — |
| EnigmaEval | 2.7% | — |
| DTBench | 76.5% | — |
| LMCA | 27.5% | — |
| ForecastBench | 60.6 | — |

## Math

- Gemini 2.5 Flash: 39.9 (#98)
- Muse Spark: 47.8 (#66)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 73.1% | 88.9% |
| LMArena Math | 1415 | 1455 |
| FrontierMath (Feb 2025 set) | 4.8% | 39% |
| FrontierMath Tier 4 (v1) | 4.2% | 14.6% |
| ProofBench | — | 17% |
| Omni-MATH | 38.5% | — |

## Knowledge

- Gemini 2.5 Flash: 36.4 (#168)
- Muse Spark: 65.7 (#13)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| Humanity's Last Exam | 12.1% | 40.6% |
| LMArena Expert | 1426 | 1457 |
| GPQA Diamond | — | 89.8% |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |

## Multimodal

- Gemini 2.5 Flash: 41.8 (#32)
- Muse Spark: 43.4 (#24)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| LMArena Vision | 1253 | 1306 |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| LMArena Document | — | 1444 |
| SpatialViz-Bench | 36.9% | — |

## Multilingual

- Gemini 2.5 Flash: 52.3 (#88)
- Muse Spark: 56.1 (#24)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| LMArena Non-English | 1409 | 1464 |
| LMArena Chinese | 1450 | 1509 |
| LMArena French | 1433 | 1497 |
| LMArena German | 1418 | 1497 |
| LMArena Korean | 1385 | 1459 |
| LMArena Russian | 1415 | 1466 |
| LMArena Spanish | 1421 | 1472 |
| LMArena Japanese | 1405 | — |

## Instruction Following

- Gemini 2.5 Flash: 75.7 (#54)
- Muse Spark: 75.9 (#51)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1405 | 1442 |
| IFEval | 89.8% | — |

## Long Context

- Gemini 2.5 Flash: 47.5 (#17)
- Muse Spark: 44.4 (#69)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1419 | 1451 |
| Fiction.LiveBench | 77.8% | — |

## Writing & Preference

- Gemini 2.5 Flash: 53.8 (#157)
- Muse Spark: 66.0 (#39)

| Benchmark | Gemini 2.5 Flash | Muse Spark |
|---|---|---|
| LMArena Text | 1417 | 1474 |
| LMArena Creative Writing | 1400 | 1459 |
| LMArena Multi-Turn | 1408 | 1477 |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |

## FAQ

### Is Gemini 2.5 Flash better than Muse Spark?

Muse Spark is the stronger model overall, scoring 50.6 to 39.3 on the Noometry Index.

### Is Gemini 2.5 Flash or Muse Spark better for coding?

Muse Spark scores higher on coding benchmarks: 46.2 versus 35.8 in the Noometry coding category.

### How many benchmarks do Gemini 2.5 Flash and Muse Spark share?

23 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Muse Spark has 27.