Model comparison
Gemini 3.1 Flash Lite vs Muse Spark 1.2
Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 40.8 on the Noometry Index. Gemini 3.1 Flash Lite costs 3.6× 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 3.1 Flash Lite scores higher in 1 category and Muse Spark 1.2 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 51.3 to 22.9.
- The biggest single-benchmark swing is NYT Connections (extended): 8.2% for Gemini 3.1 Flash Lite and 79.2% for Muse Spark 1.2.
- Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.
Side by side
| Gemini 3.1 Flash Lite | Muse Spark 1.2 | |
|---|---|---|
| Provider | Meta | |
| Noometry Index | 40.8 | 50.3 |
| Released | 2026-03-03 | 2026-08-05 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1.05M |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.25 | $1.25 |
| Output $ / M tokens | $1.50 | $4.25 |
| Results tracked | 38 | 31 |
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Category by category
Coding Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 37.8 (#188), Muse Spark 1.2: 49.2 (#51)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena WebDev | 1256 | 1533 |
| SciCode | 41.9% | 56.4% |
| WeirdML | 52.2% | 60.3% |
| LMArena Coding | 1400 | 1495 |
| DeepSWE | — | 54.9% |
| FrontierSWE | — | 12% |
| ALE-Bench | 797.73 | — |
Agentic & Tool Use Too close to call
Gemini 3.1 Flash Lite: 30.2 (#79), Muse Spark 1.2: 29.4 (#87)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | — | 36.4% |
| DeepResearch Bench | 37.3% | — |
| GDP.pdf | — | 16% |
Reasoning Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 22.9 (#186), Muse Spark 1.2: 51.3 (#34)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| NYT Connections (extended) | 8.2% | 79.2% |
| CritPt | 1.1% | 17.7% |
| LMArena Hard Prompts | 1407 | 1486 |
| DTBench | 76.8% | 94.7% |
| LMCA | 35% | 48.4% |
| Epoch Capabilities Index | 144.47 | 154.87 |
| SimpleBench | — | 74.5% |
| Kagi LLM Benchmark | 67.2% | — |
| Chess Puzzles | 25% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| ForecastBench | 54.4 | — |
Math Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 40.7 (#90), Muse Spark 1.2: 46.4 (#70)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Math | 1428 | 1471 |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| OTIS Mock AIME 2024-2025 | 80% | — |
| ProofBench | — | 43% |
Knowledge Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 41.9 (#104), Muse Spark 1.2: 54.1 (#53)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Expert | 1398 | 1480 |
| GPQA Diamond | 81.8% | — |
| Humanity's Last Exam | 8.6% | — |
| SimpleQA Verified | — | 60.3% |
| Vectara Hallucination Rate | 8.2% | — |
Multimodal Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 39.4 (#60), Muse Spark 1.2: 43.4 (#25)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | 1240 | 1305 |
Multilingual Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 52.3 (#86), Muse Spark 1.2: 57.1 (#11)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | 1411 | 1478 |
| LMArena Chinese | 1461 | 1511 |
| LMArena French | 1424 | 1513 |
| LMArena Russian | 1420 | 1487 |
| LMArena Spanish | 1421 | 1498 |
| LMArena German | 1429 | — |
| LMArena Japanese | 1413 | — |
| LMArena Korean | 1392 | — |
Instruction Following Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 72.7 (#131), Muse Spark 1.2: 76.7 (#36)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | 1377 | 1461 |
Long Context Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 42.5 (#122), Muse Spark 1.2: 45.2 (#48)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | 1394 | 1475 |
Writing & Preference Muse Spark 1.2 leads
Gemini 3.1 Flash Lite: 60.9 (#94), Muse Spark 1.2: 72.3 (#14)
| Benchmark | Gemini 3.1 Flash Lite | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | 1416 | 1482 |
| LMArena Creative Writing | 1401 | 1449 |
| LMArena Multi-Turn | 1417 | 1494 |
| EQ-Bench Creative Writing | — | 1840 |
Frequently asked questions
Is Gemini 3.1 Flash Lite better than Muse Spark 1.2?
Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 40.8 on the Noometry Index. Gemini 3.1 Flash Lite costs 3.6× 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 3.1 Flash Lite or Muse Spark 1.2?
Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.
Is Gemini 3.1 Flash Lite or Muse Spark 1.2 better for coding?
Muse Spark 1.2 scores higher on coding benchmarks: 49.2 versus 37.8 in the Noometry coding category.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do Gemini 3.1 Flash Lite and Muse Spark 1.2 share?
23 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Muse Spark 1.2 has 31.