# Gemini 3.1 Flash-Lite vs Muse Spark 1.2

> Side-by-side benchmark comparison for Gemini 3.1 Flash-Lite and Muse Spark 1.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-flash-lite-vs-muse-spark-1-2
- Last updated: September 18, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 3.1 Flash-Lite and Muse Spark 1.2 share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Gemini 3.1 Flash-Lite has the lower published output-token price.

## Model Snapshot

| Property | Gemini 3.1 Flash-Lite | Muse Spark 1.2 |
|----------|----------|----------|
| Creator | Google | Meta |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 56.32 | 70.28 |
| Benchmarks Covered | 8 | 8 |
| Pricing (input/output) | $0.25 / $1.50 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 43.1 (Estimated · #105/154)
- Muse Spark 1.2 public-lane score: 61 (Supported · #16/154)

| Benchmark | Gemini 3.1 Flash-Lite | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 38.46% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 34.1% | 69.7% | Muse Spark 1.2 |
| Terminal-Bench 2.1 | Coming soon | 82.9% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 38.1 (Estimated · #128/154)
- Muse Spark 1.2 public-lane score: 60 (Supported · #21/154)

| Benchmark | Gemini 3.1 Flash-Lite | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 0.00% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 80.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 62.8% | 86.6% | Muse Spark 1.2 |
| Terminal-Bench 2.1 | Coming soon | 82.9% | Coming soon |
| DeepSWE | Coming soon | 59.3% | Coming soon |
| VulcanBench v3 | Coming soon | 87.0% | Coming soon |
| FrontierSWE v2 | Coming soon | 12.0% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 37.4 (Unranked · 1 rankable row)
- Muse Spark 1.2 public-lane score: Coming soon

| Benchmark | Gemini 3.1 Flash-Lite | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 73.2% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: Coming soon
- Muse Spark 1.2 public-lane score: 75.3 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 3.1 Flash-Lite public-lane score: 51.3 (Estimated · #74/184)
- Muse Spark 1.2 public-lane score: 70.7 (Estimated · #10/184)

| Benchmark | Gemini 3.1 Flash-Lite | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 81.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.2% | 88.3% | Muse Spark 1.2 |

## FAQ

### Is there enough evidence to pick between Gemini 3.1 Flash-Lite and Muse Spark 1.2?

Not yet. The models share only 3 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Gemini 3.1 Flash-Lite vs Muse Spark 1.1](/compare/gemini-3-1-flash-lite-vs-muse-spark-1-1)
- [Muse Spark 1.2 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-2)
- [Gemini 3.1 Flash-Lite vs Muse Spark](/compare/gemini-3-1-flash-lite-vs-muse-spark)
- [Muse Spark 1.2 vs Muse Spark](/compare/muse-spark-vs-muse-spark-1-2)

## Explore More

- [Gemini 3.1 Flash-Lite profile](/models/gemini-3-1-flash-lite)
- [Muse Spark 1.2 profile](/models/muse-spark-1-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)