Model comparison
Gemini 3.5 Flash Lite vs Muse Spark 1.2
Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 41.8 on the Noometry Index. Gemini 3.5 Flash Lite costs 2.4× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.
Last verified . 23 shared benchmarks.
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MetaSummary
- They share 23 benchmarks with published results for both. Gemini 3.5 Flash Lite scores higher in 0 categories and Muse Spark 1.2 in 10 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 50.4 to 27.8.
- The biggest single-benchmark swing is ProofBench: 13% for Gemini 3.5 Flash Lite and 43% for Muse Spark 1.2.
- Gemini 3.5 Flash Lite is cheaper at $0.30 / $2.50 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.
Side by side
| Gemini 3.5 Flash Lite | Muse Spark 1.2 | |
|---|---|---|
| Provider | Meta | |
| Noometry Index | 41.8 | 49.8 |
| Released | 2026-07-21 | 2026-08-05 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1.05M |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.30 | $1.25 |
| Output $ / M tokens | $2.50 | $4.25 |
| Results tracked | 38 | 28 |
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Category by category
Coding Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 42.1 (#96), Muse Spark 1.2: 48.6 (#49)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena WebDev | 1440 | 1532 |
| SciCode | 41.3% | 56.4% |
| WeirdML | 39% | 60.3% |
| LMArena Coding | 1455 | 1497 |
| DeepSWE | — | 54.9% |
| FrontierSWE | — | 12% |
| ALE-Bench | 765.27 | — |
Agentic & Tool Use Too close to call
Gemini 3.5 Flash Lite: 28.6 (#82), Muse Spark 1.2: 29.5 (#77)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| GDP.pdf | 10% | 16% |
| APEX-Agents | — | 36.4% |
Reasoning Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 27.8 (#95), Muse Spark 1.2: 50.4 (#32)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| NYT Connections (extended) | 60.4% | 79.2% |
| CritPt | 0% | 17.7% |
| LMArena Hard Prompts | 1441 | 1490 |
| DTBench | 83.5% | 94.7% |
| LMCA | 37.6% | 48.4% |
| Epoch Capabilities Index | 145.12 | 155.18 |
| ARC-AGI-2 | 10.3% | — |
| SimpleBench | — | 74.5% |
| ARC-AGI-1 | 53.5% | — |
| Chess Puzzles | 22% | — |
| Mystery Game Puzzles | 19% | — |
Math Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 25.7 (#245), Muse Spark 1.2: 43.8 (#68)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| ProofBench | 13% | 43% |
| FrontierMath (Tiers 1-3) | 26% | — |
| FrontierMath Tier 4 | 0% | — |
| OTIS Mock AIME 2024-2025 | 71.1% | — |
| LMArena Math | 1431 | — |
Knowledge Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 50.0 (#66), Muse Spark 1.2: 53.9 (#49)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Expert | 1430 | 1485 |
| GPQA Diamond | 83.3% | — |
| SimpleQA Verified | — | 60.3% |
Multimodal Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 40.3 (#38), Muse Spark 1.2: 42.6 (#24)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | 1266 | 1304 |
Multilingual Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 53.8 (#59), Muse Spark 1.2: 57.4 (#10)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | 1428 | 1479 |
| LMArena Chinese | 1467 | 1519 |
| LMArena Russian | 1443 | 1494 |
| LMArena French | 1452 | — |
| LMArena German | 1454 | — |
| LMArena Japanese | 1428 | — |
| LMArena Korean | 1406 | — |
| LMArena Spanish | 1440 | — |
Instruction Following Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 75.0 (#77), Muse Spark 1.2: 77.1 (#30)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | 1420 | 1466 |
Long Context Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 43.8 (#80), Muse Spark 1.2: 45.4 (#35)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | 1435 | 1483 |
Writing & Preference Muse Spark 1.2 leads
Gemini 3.5 Flash Lite: 64.4 (#55), Muse Spark 1.2: 72.6 (#14)
| Benchmark | Gemini 3.5 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | 1436 | 1486 |
| LMArena Creative Writing | 1419 | 1444 |
| EQ-Bench Creative Writing | 1559 | 1840 |
| LMArena Multi-Turn | 1445 | 1504 |
Frequently asked questions
Is Gemini 3.5 Flash Lite better than Muse Spark 1.2?
Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 41.8 on the Noometry Index. Gemini 3.5 Flash Lite costs 2.4× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.
Which is cheaper, Gemini 3.5 Flash Lite or Muse Spark 1.2?
Gemini 3.5 Flash Lite is cheaper. It lists at $0.30 per million input tokens and $2.50 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.
Is Gemini 3.5 Flash Lite or Muse Spark 1.2 better for coding?
Muse Spark 1.2 scores higher on coding benchmarks: 48.6 versus 42.1 in the Noometry coding category.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do Gemini 3.5 Flash Lite and Muse Spark 1.2 share?
23 benchmarks have published results for both models. Gemini 3.5 Flash Lite has 38 scored results on Noometry and Muse Spark 1.2 has 28.