Gemini 3.5 Flash vs Muse Spark 1.3
Gemini 3.5 Flash 
Muse Spark 1.3 Verdict
- Gemini 3.5 Flash (medium) and Muse Spark 1.3 (xhigh) are level on quality (63.9 vs 63.9).
- Gemini 3.5 Flash (medium) is stronger in agents & tools, human preference, instruction following, multimodal, reasoning.
- Muse Spark 1.3 (xhigh) is stronger in coding, composite, knowledge, long context.
- Muse Spark 1.3 (xhigh) is 1.7× cheaper ($2.00 vs $3.38 per 1M blended).
| Metric | Gemini 3.5 Flash (medium) | Muse Spark 1.3 (xhigh) |
|---|---|---|
| BenchLeader Index | 63.9 | 63.9 |
| Agents & tools score | 67.8 | 60.4 |
| Coding score | 58.9 | 70.8 |
| Composite score | 71.4 | 78.6 |
| Human preference score | 67.4 | – |
| Instruction following score | 72.2 | – |
| Knowledge score | 73.9 | 75.0 |
| Long context score | 63.6 | 68.1 |
| Multimodal score | 67.6 | 66.6 |
| Reasoning score | 66.8 | – |
| Blended price $/M | $3.38 | $2.00 |
| Output speed | 209 tok/s | 193 tok/s |
| Time to first answer | 17.0 s | 40.0 s |
| Context window | 1M | 1M |
| LMArena Text | 1476 | – |
| LMArena Hard Prompts | 1493 | – |
| LMArena Coding | 1503 | – |
| LMArena WebDev | 1491 | 1625 |
| LMArena Vision | 1306 | – |
| LiveBench | – | 81.6% |
| LiveBench Reasoning | – | 89.7% |
| LiveBench Coding | – | 81.1% |
| LiveBench Agentic Coding | – | 64.1% |
| LiveBench Mathematics | – | 96.0% |
| LiveBench Data Analysis | – | 79.6% |
| LiveBench Language | – | 82.8% |
| AA Intelligence Index | 33.6 | 45.2 |
| IFBench | 74.6% | – |
| AA-LCR | 74.3% | 83.0% |
| MMMU-Pro | 83.9% | 82.0% |
| AA-Omniscience | 20.8 | 23.1 |
| Terminal-Bench Hard | 39.4% | – |
| GPQA Diamond (AA) | 92.1% | 94.1% |
| Humanity's Last Exam (AA) | 41.3% | 47.5% |
| SciCode (AA) | – | 59.7% |
| τ²-Bench Telecom (AA) | 95.6% | – |
| Terminal-Bench 2.1 (Vals) | – | 72.3% |
| Vals Index | – | 60.3 |
Data as of 2026-09-09. Best configuration of each model; every score links to its source on the model pages.