# Gemini 3.8 Flash vs Muse Spark 1.3

> Side-by-side benchmark comparison for Gemini 3.8 Flash and Muse Spark 1.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-8-flash-vs-muse-spark-1-3
- Last updated: October 17, 2026

- Shared sourced benchmarks: 13
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Muse Spark 1.3 if you want the stronger benchmark profile. Gemini 3.8 Flash only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Muse Spark 1.3 leads overall 73 to 69.25.
- The clearest category separation is in mathematics, where the averages are 69.7 for Gemini 3.8 Flash and 78.5 for Muse Spark 1.3.
- The biggest single benchmark swing is FrontierMath v2 (Tier 4) in Mathematics, with scores of 21.951% and 46.341%.
- Gemini 3.8 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Gemini 3.8 Flash | Muse Spark 1.3 |
|----------|----------|----------|
| Creator | Google | Meta |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 69.25 | null |
| Benchmarks Covered | 31 | 20 |
| Pricing (input/output) | $0.75 / $3.75 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Gemini 3.8 Flash public-lane score: 65.9 (Supported · #16/128)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Finance Agent v2 | 61.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 89.4% | 88.8% | Gemini 3.8 Flash |
| Terminal-Bench 4.0 | 19.10% | Coming soon | Coming soon |
| OSWorld 2.0 | 59.0% | 66.9% | Muse Spark 1.3 |
| Terminal-Bench 2.1 (Vals) | 81.3% | 72.3% | Gemini 3.8 Flash |
| ApprenticeBench | 24% | 19% | Gemini 3.8 Flash |
| Hermes Index | 38.1% | Coming soon | Coming soon |
| Hermes Bench | 62.2% | Coming soon | Coming soon |
| MazeBench | 4% | 0% | Gemini 3.8 Flash |
| JobBench | Coming soon | 64.9% | Coming soon |
| DeepSearchQA | Coming soon | 89.4% | Coming soon |
| AutomationBench | Coming soon | 49.4% | Coming soon |
| CWE-bench v1 | Coming soon | 55.0% | Coming soon |

### Coding

- Winner: Not comparable
- Gemini 3.8 Flash public-lane score: 61 (Supported · #17/150)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 73.8% | 75.4% | Muse Spark 1.3 |
| Terminal-Bench 2.1 | 89.4% | 88.8% | Gemini 3.8 Flash |
| CursorBench 3.2 | 69.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 89.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 80.0% | Coming soon | Coming soon |
| FrontierSWE v2 | 19.6% | 25.8% | Muse Spark 1.3 |
| CursorBench 4.0 | 39.6% | 41.6% | Muse Spark 1.3 |
| Bug Hunt Bench | 18.0 fixes | 32.2 fixes | Muse Spark 1.3 |
| SWE-Atlas Codebase QnA | Coming soon | 59.4% | Coming soon |

### Reasoning

- Winner: Directional only
- Gemini 3.8 Flash public-lane score: 74.3 (#17/28)
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 98.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 89.2% | Coming soon | Coming soon |
| ARC-AGI-3 | 10.4% | Coming soon | Coming soon |
| MRCR v2 256K-512K | Coming soon | 98.5% | Coming soon |
| MRCR v2 512K-1M | Coming soon | 98.1% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemini 3.8 Flash public-lane score: 87.3 (#9/54)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv w/o tools | 86.2% | Coming soon | Coming soon |
| LVBench | 87.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Gemini 3.8 Flash public-lane score: 73.5 (Supported · #13/184)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| HLE-Verified | 54.9% | Coming soon | Coming soon |
| LABBench2 | 86.2% | Coming soon | Coming soon |
| BioMysteryBench (human-solvable) | 88.8% | Coming soon | Coming soon |
| BioMysteryBench (human-difficult) | 56.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 94.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 90.2% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Gemini 3.8 Flash public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 5.5% | 15.9% | Gemini 3.8 Flash |

### Mathematics

- Winner: Not comparable
- Gemini 3.8 Flash public-lane score: 69.7 (Unranked · 2 rankable rows)
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.8 Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 68.421% | 74.035% | Muse Spark 1.3 |
| FrontierMath v2 (Tier 4) | 21.951% | 46.341% | Muse Spark 1.3 |

## FAQ

### Which is better overall, Gemini 3.8 Flash or Muse Spark 1.3?

Muse Spark 1.3 is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3.8 Flash and Muse Spark 1.3?

The widest category gap is in mathematics, where the averages are 69.7 for Gemini 3.8 Flash and 78.5 for Muse Spark 1.3.

### How many benchmarks does Gemini 3.8 Flash cover on BenchLM?

Gemini 3.8 Flash currently has 31 sourced benchmark scores on BenchLM.

### How many benchmarks does Muse Spark 1.3 cover on BenchLM?

Muse Spark 1.3 currently has 20 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.8 Flash vs Gemini 3.8 Flash Cyber](/compare/gemini-3-8-flash-vs-gemini-3-8-flash-cyber)
- [Muse Spark 1.3 vs Gemini 3.8 Flash Cyber](/compare/gemini-3-8-flash-cyber-vs-muse-spark-1-3)
- [Gemini 3.8 Flash vs Muse Spark 1.1](/compare/gemini-3-8-flash-vs-muse-spark-1-1)
- [Muse Spark 1.3 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-3)

## Explore More

- [Gemini 3.8 Flash profile](/models/gemini-3-8-flash)
- [Muse Spark 1.3 profile](/models/muse-spark-1-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)