Model comparison
Claude 3.5 Sonnet vs Muse Spark 1.3
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 34.6 on the Noometry Index.
Last verified . 22 shared benchmarks.
MetaSummary
- They share 22 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 0 categories and Muse Spark 1.3 in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 19.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 8.5% for Claude 3.5 Sonnet and 99.2% for Muse Spark 1.3.
Side by side
| Claude 3.5 Sonnet | Muse Spark 1.3 | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 34.6 | 54.8 |
| Released | 2024-06-20 | 2026-09-02 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $4.25 |
| Results tracked | 60 | 37 |
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Category by category
Coding Muse Spark 1.3 leads
Claude 3.5 Sonnet: 39.0 (#165), Muse Spark 1.3: 56.6 (#21)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| LMArena Coding | 1342 | 1514 |
| Aider Polyglot | 51.6% | — |
| CursorBench | — | 41.6% |
| LMArena WebDev | — | 1657 |
| SciCode | — | 59.7% |
| GSO | 4.6% | — |
| WeirdML | 40% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |
Agentic & Tool Use Muse Spark 1.3 leads
Claude 3.5 Sonnet: 32.3 (#67), Muse Spark 1.3: 38.6 (#30)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | — | 57.8% |
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| GDP.pdf | — | 27.6% |
| METR Time Horizons | 45.2% | — |
Reasoning Muse Spark 1.3 leads
Claude 3.5 Sonnet: 23.1 (#183), Muse Spark 1.3: 54.0 (#27)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1503 |
| DTBench | 67.8% | 96.5% |
| Epoch Capabilities Index | 133.55 | 156.75 |
| SimpleBench | 41.4% | — |
| NYT Connections (extended) | — | 85.1% |
| CritPt | — | 26% |
| Chess Puzzles | — | 38% |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| Mystery Game Puzzles | — | 25% |
| LiveBench Data Analysis | 55% | — |
| LMCA | — | 53.9% |
| Bench to the Future 3 | — | 0.14 |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |
Math Muse Spark 1.3 leads
Claude 3.5 Sonnet: 19.2 (#288), Muse Spark 1.3: 73.1 (#21)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 99.2% |
| LMArena Math | 1307 | 1494 |
| FrontierMath (Tiers 1-3) | — | 74.4% |
| FrontierMath Tier 4 | — | 46.3% |
| ProofBench | — | 58% |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| MATH Level 5 | 56.9% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Muse Spark 1.3 leads
Claude 3.5 Sonnet: 28.6 (#245), Muse Spark 1.3: 42.6 (#95)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | 1265 | 1516 |
| GPQA Diamond | 55.3% | — |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |
Multimodal Muse Spark 1.3 leads
Claude 3.5 Sonnet: 26.5 (#120), Muse Spark 1.3: 43.7 (#22)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | 1125 | 1309 |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
| LMArena Document | — | 1471 |
Multilingual Muse Spark 1.3 leads
Claude 3.5 Sonnet: 43.2 (#185), Muse Spark 1.3: 57.4 (#8)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | 1283 | 1481 |
| LMArena Chinese | 1272 | 1529 |
| LMArena French | 1305 | 1524 |
| LMArena German | 1297 | 1515 |
| LMArena Japanese | 1234 | 1474 |
| LMArena Korean | 1200 | 1501 |
| LMArena Russian | 1306 | 1490 |
| LMArena Spanish | 1290 | 1490 |
Instruction Following Muse Spark 1.3 leads
Claude 3.5 Sonnet: 68.8 (#182), Muse Spark 1.3: 77.5 (#22)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | 1297 | 1477 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Muse Spark 1.3 leads
Claude 3.5 Sonnet: 39.9 (#167), Muse Spark 1.3: 45.6 (#32)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | 1311 | 1488 |
Writing & Preference Muse Spark 1.3 leads
Claude 3.5 Sonnet: 52.9 (#164), Muse Spark 1.3: 73.6 (#9)
| Benchmark | Claude 3.5 Sonnet | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | 1298 | 1490 |
| LMArena Creative Writing | 1292 | 1455 |
| EQ-Bench Creative Writing | 1451 | 1906 |
| LMArena Multi-Turn | 1326 | 1482 |
| Short-Story Creative Writing | 80.3% | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |
Frequently asked questions
Is Claude 3.5 Sonnet better than Muse Spark 1.3?
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 34.6 on the Noometry Index.
Is Claude 3.5 Sonnet or Muse Spark 1.3 better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 39.0 in the Noometry coding category.
How many benchmarks do Claude 3.5 Sonnet and Muse Spark 1.3 share?
22 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Muse Spark 1.3 has 37.