# Gemini 3.8 Flash vs Muse Spark 1.2

> Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 50.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-3-8-flash-vs-muse-spark-1-2
- Last updated: 2026-10-10
- Shared benchmarks: 30

## Summary

- They share 30 benchmarks with published results for both. Gemini 3.8 Flash scores higher in 8 categories and Muse Spark 1.2 in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.8 Flash leads 76.9 to 51.3.
- The biggest single-benchmark swing is APEX-Agents: 64.3% for Gemini 3.8 Flash and 36.4% for Muse Spark 1.2.
- Gemini 3.8 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.

## Snapshot

| | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| Provider | Google | Meta |
| Noometry Index | 61.8 | 50.3 |
| Rank | 11 | 48 |
| Context | 1.05M | 1.05M |
| Input $/M | $0.75 | $1.25 |
| Output $/M | $3.75 | $4.25 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 3.8 Flash: 59.2 (#15)
- Muse Spark 1.2: 49.2 (#51)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| DeepSWE | 73.8% | 54.9% |
| LMArena WebDev | 1584 | 1533 |
| FrontierSWE | 19.6% | 12% |
| SciCode | 56.6% | 56.4% |
| WeirdML | 84.8% | 60.3% |
| LMArena Coding | 1510 | 1495 |
| FrontierCode | 41.2% | — |
| CursorBench | 39.6% | — |
| ALE-Bench | 1,270 | — |

## Agentic & Tool Use

- Gemini 3.8 Flash: 41.8 (#21)
- Muse Spark 1.2: 29.4 (#87)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | 64.3% | 36.4% |
| GDP.pdf | 23.4% | 16% |
| Remote Labor Index | 5.8% | — |
| Vending-Bench 2 | 5,094 | — |

## Reasoning

- Gemini 3.8 Flash: 76.9 (#5)
- Muse Spark 1.2: 51.3 (#34)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| NYT Connections (extended) | 97.4% | 79.2% |
| CritPt | 18.3% | 17.7% |
| LMArena Hard Prompts | 1508 | 1486 |
| DTBench | 95.7% | 94.7% |
| LMCA | 52.9% | 48.4% |
| Epoch Capabilities Index | 156.71 | 154.87 |
| ARC-AGI-2 | 89.2% | — |
| SimpleBench | — | 74.5% |
| ARC-AGI-1 | 98.5% | — |
| Chess Puzzles | 61% | — |
| Mystery Game Puzzles | 47% | — |
| Surface Evolver Bench | 76.9% | — |

## Math

- Gemini 3.8 Flash: 65.3 (#28)
- Muse Spark 1.2: 46.4 (#70)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| ProofBench | 48% | 43% |
| LMArena Math | 1528 | 1471 |
| FrontierMath (Tiers 1-3) | 68.4% | — |
| FrontierMath Tier 4 | 22% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |

## Knowledge

- Gemini 3.8 Flash: 74.8 (#2)
- Muse Spark 1.2: 54.1 (#53)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| SimpleQA Verified | 69.7% | 60.3% |
| LMArena Expert | 1524 | 1480 |
| GPQA Diamond | 95.4% | — |
| Humanity's Last Exam | 44.5% | — |

## Multimodal

- Gemini 3.8 Flash: 40.7 (#45)
- Muse Spark 1.2: 43.4 (#25)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | 1314 | 1305 |
| Blueprint-Bench 2 | 38.6% | — |
| Furniture Assembly | 31.7% | — |

## Multilingual

- Gemini 3.8 Flash: 58.0 (#5)
- Muse Spark 1.2: 57.1 (#11)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | 1491 | 1478 |
| LMArena Chinese | 1554 | 1511 |
| LMArena French | 1498 | 1513 |
| LMArena Russian | 1515 | 1487 |
| LMArena Spanish | 1485 | 1498 |
| LMArena German | 1493 | — |
| LMArena Japanese | 1502 | — |
| LMArena Korean | 1459 | — |

## Instruction Following

- Gemini 3.8 Flash: 78.0 (#13)
- Muse Spark 1.2: 76.7 (#36)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | 1490 | 1461 |

## Long Context

- Gemini 3.8 Flash: 46.3 (#24)
- Muse Spark 1.2: 45.2 (#48)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | 1508 | 1475 |

## Writing & Preference

- Gemini 3.8 Flash: 72.2 (#15)
- Muse Spark 1.2: 72.3 (#14)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | 1499 | 1482 |
| LMArena Creative Writing | 1492 | 1449 |
| EQ-Bench Creative Writing | 1748 | 1840 |
| LMArena Multi-Turn | 1501 | 1494 |

## FAQ

### Is Gemini 3.8 Flash better than Muse Spark 1.2?

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 50.3 on the Noometry Index.

### Which is cheaper, Gemini 3.8 Flash or Muse Spark 1.2?

Gemini 3.8 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

### Is Gemini 3.8 Flash or Muse Spark 1.2 better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 49.2 in the Noometry coding category.

### Which has the bigger context window?

Both accept 1.05M tokens.

### How many benchmarks do Gemini 3.8 Flash and Muse Spark 1.2 share?

30 benchmarks have published results for both models. Gemini 3.8 Flash has 50 scored results on Noometry and Muse Spark 1.2 has 31.