Model comparison
Gemini 3.5 Flash vs Muse Spark 1.3
Gemini 3.5 Flash and Muse Spark 1.3 score almost the same on the Noometry Index (54.2 vs 54.8), so choose on price, context window or the category you care about most.
Last verified . 34 shared benchmarks.
Google
MetaSummary
- They share 34 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 3 categories and Muse Spark 1.3 in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.5 Flash leads 66.3 to 42.6.
- The biggest single-benchmark swing is APEX-Agents: 27.5% for Gemini 3.5 Flash and 57.8% for Muse Spark 1.3.
- Muse Spark 1.3 is cheaper at $1.25 / $4.25 per million input/output tokens, against $1.50 / $9 for Gemini 3.5 Flash.
Side by side
| Gemini 3.5 Flash | Muse Spark 1.3 | |
|---|---|---|
| Provider | Meta | |
| Noometry Index | 54.2 | 54.8 |
| Released | 2026-05-19 | 2026-09-02 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1.05M |
| Max output | 66K | 131K |
| Input $ / M tokens | $1.50 | $1.25 |
| Output $ / M tokens | $9 | $4.25 |
| Results tracked | 54 | 37 |
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Category by category
Coding Muse Spark 1.3 leads
Gemini 3.5 Flash: 49.4 (#49), Muse Spark 1.3: 56.6 (#21)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| LMArena WebDev | 1499 | 1657 |
| SciCode | 53.1% | 59.7% |
| LMArena Coding | 1492 | 1514 |
| SWE-bench Verified | 79.3% | — |
| DeepSWE | 37.4% | — |
| CursorBench | — | 41.6% |
| WeirdML | 62.6% | — |
| ALE-Bench | 911.02 | — |
Agentic & Tool Use Muse Spark 1.3 leads
Gemini 3.5 Flash: 24.7 (#114), Muse Spark 1.3: 38.6 (#30)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | 27.5% | 57.8% |
| GDP.pdf | 14% | 27.6% |
| GBAEval | 6.7% | — |
| Vending-Bench 2 | 5,396 | — |
Reasoning Gemini 3.5 Flash leads
Gemini 3.5 Flash: 62.8 (#18), Muse Spark 1.3: 54.0 (#27)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| NYT Connections (extended) | 92.6% | 85.1% |
| CritPt | 13.1% | 26% |
| Chess Puzzles | 50% | 38% |
| LMArena Hard Prompts | 1488 | 1503 |
| Mystery Game Puzzles | 32% | 25% |
| DTBench | 94.7% | 96.5% |
| LMCA | 47.1% | 53.9% |
| Epoch Capabilities Index | 154.46 | 156.75 |
| ARC-AGI-2 | 72.1% | — |
| SimpleBench | 76.7% | — |
| ARC-AGI-1 | 92.5% | — |
| EnigmaEval | 25.4% | — |
| EBR-Bench | 4.8% | — |
| Surface Evolver Bench | 58.1% | — |
| Bench to the Future 3 | — | 0.14 |
| ForecastBench | 59 | — |
Math Muse Spark 1.3 leads
Gemini 3.5 Flash: 60.7 (#36), Muse Spark 1.3: 73.1 (#21)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 62.8% | 74.4% |
| FrontierMath Tier 4 | 26.8% | 46.3% |
| OTIS Mock AIME 2024-2025 | 95.6% | 99.2% |
| ProofBench | 31% | 58% |
| LMArena Math | 1504 | 1494 |
| MathArena Final-Answer Competitions | 76.3% | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge Gemini 3.5 Flash leads
Gemini 3.5 Flash: 66.3 (#11), Muse Spark 1.3: 42.6 (#95)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | 1495 | 1516 |
| GPQA Diamond | 92.8% | — |
| SimpleQA Verified | 66.2% | — |
Multimodal Gemini 3.5 Flash leads
Gemini 3.5 Flash: 45.7 (#15), Muse Spark 1.3: 43.7 (#22)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | 1310 | 1309 |
| LMArena Document | 1463 | 1471 |
| Blueprint-Bench 2 | 33.6% | — |
Multilingual Too close to call
Gemini 3.5 Flash: 57.0 (#13), Muse Spark 1.3: 57.4 (#8)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | 1476 | 1481 |
| LMArena Chinese | 1526 | 1529 |
| LMArena French | 1490 | 1524 |
| LMArena German | 1492 | 1515 |
| LMArena Japanese | 1486 | 1474 |
| LMArena Korean | 1451 | 1501 |
| LMArena Russian | 1493 | 1490 |
| LMArena Spanish | 1480 | 1490 |
Instruction Following Too close to call
Gemini 3.5 Flash: 77.0 (#30), Muse Spark 1.3: 77.5 (#22)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | 1467 | 1477 |
Long Context Too close to call
Gemini 3.5 Flash: 45.4 (#38), Muse Spark 1.3: 45.6 (#32)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | 1482 | 1488 |
Writing & Preference Muse Spark 1.3 leads
Gemini 3.5 Flash: 65.5 (#47), Muse Spark 1.3: 73.6 (#9)
| Benchmark | Gemini 3.5 Flash | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | 1482 | 1490 |
| LMArena Creative Writing | 1470 | 1455 |
| LMArena Multi-Turn | 1481 | 1482 |
| EQ-Bench Creative Writing | — | 1906 |
| EQ-Bench 4 | 1087 | — |
Frequently asked questions
Is Gemini 3.5 Flash better than Muse Spark 1.3?
Gemini 3.5 Flash and Muse Spark 1.3 score almost the same on the Noometry Index (54.2 vs 54.8), so choose on price, context window or the category you care about most.
Which is cheaper, Gemini 3.5 Flash or Muse Spark 1.3?
Muse Spark 1.3 is cheaper. It lists at $1.25 per million input tokens and $4.25 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.
Is Gemini 3.5 Flash or Muse Spark 1.3 better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 49.4 in the Noometry coding category.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do Gemini 3.5 Flash and Muse Spark 1.3 share?
34 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Muse Spark 1.3 has 37.