Model comparison
Claude 3 Opus vs Muse Spark 1.3
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 29.5 on the Noometry Index.
Last verified . 23 shared benchmarks.
MetaSummary
- They share 23 benchmarks with published results for both. Claude 3 Opus 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 14.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 99.2% for Muse Spark 1.3.
Side by side
| Claude 3 Opus | Muse Spark 1.3 | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 29.5 | 54.8 |
| Released | 2024-02-29 | 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 | 46 | 37 |
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Category by category
Coding Muse Spark 1.3 leads
Claude 3 Opus: 32.9 (#267), Muse Spark 1.3: 56.6 (#21)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| LMArena Coding | 1264 | 1514 |
| CursorBench | — | 41.6% |
| LMArena WebDev | — | 1657 |
| SciCode | — | 59.7% |
| WeirdML | 19.2% | — |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |
Agentic & Tool Use Muse Spark 1.3 leads
Claude 3 Opus: 24.6 (#116), Muse Spark 1.3: 38.6 (#30)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | — | 57.8% |
| Cybench | 10% | — |
| GDP.pdf | — | 27.6% |
| METR Time Horizons | 29.5% | — |
Reasoning Muse Spark 1.3 leads
Claude 3 Opus: 14.6 (#324), Muse Spark 1.3: 54.0 (#27)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| Chess Puzzles | 5% | 38% |
| LMArena Hard Prompts | 1245 | 1503 |
| DTBench | 61.6% | 96.5% |
| LMCA | 17% | 53.9% |
| Epoch Capabilities Index | 126.91 | 156.75 |
| SimpleBench | 23.5% | — |
| NYT Connections (extended) | — | 85.1% |
| CritPt | — | 26% |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| Mystery Game Puzzles | — | 25% |
| LiveBench Data Analysis | 57.9% | — |
| Bench to the Future 3 | — | 0.14 |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |
Math Muse Spark 1.3 leads
Claude 3 Opus: 14.8 (#299), Muse Spark 1.3: 73.1 (#21)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 99.2% |
| LMArena Math | 1273 | 1494 |
| FrontierMath (Tiers 1-3) | — | 74.4% |
| FrontierMath Tier 4 | — | 46.3% |
| ProofBench | — | 58% |
| LiveBench Math | 43.6% | — |
| MATH Level 5 | 37.5% | — |
Knowledge Muse Spark 1.3 leads
Claude 3 Opus: 24.5 (#267), Muse Spark 1.3: 42.6 (#95)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | 1223 | 1516 |
| GPQA Diamond | 47.2% | — |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| MMLU | 84.6% | — |
Multimodal Muse Spark 1.3 leads
Claude 3 Opus: 27.1 (#116), Muse Spark 1.3: 43.7 (#22)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | 1023 | 1309 |
| LMArena Document | — | 1471 |
Multilingual Muse Spark 1.3 leads
Claude 3 Opus: 41.4 (#207), Muse Spark 1.3: 57.4 (#8)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | 1258 | 1481 |
| LMArena Chinese | 1248 | 1529 |
| LMArena French | 1275 | 1524 |
| LMArena German | 1258 | 1515 |
| LMArena Japanese | 1204 | 1474 |
| LMArena Korean | 1187 | 1501 |
| LMArena Russian | 1280 | 1490 |
| LMArena Spanish | 1246 | 1490 |
Instruction Following Muse Spark 1.3 leads
Claude 3 Opus: 64.1 (#228), Muse Spark 1.3: 77.5 (#22)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | 1248 | 1477 |
| LiveBench Instruction Following | 63.9% | — |
Long Context Muse Spark 1.3 leads
Claude 3 Opus: 38.2 (#202), Muse Spark 1.3: 45.6 (#32)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | 1259 | 1488 |
Writing & Preference Muse Spark 1.3 leads
Claude 3 Opus: 47.2 (#213), Muse Spark 1.3: 73.6 (#9)
| Benchmark | Claude 3 Opus | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | 1262 | 1490 |
| LMArena Creative Writing | 1235 | 1455 |
| LMArena Multi-Turn | 1275 | 1482 |
| EQ-Bench Creative Writing | — | 1906 |
| LiveBench Language | 50.4% | — |
Frequently asked questions
Is Claude 3 Opus better than Muse Spark 1.3?
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 29.5 on the Noometry Index.
Is Claude 3 Opus or Muse Spark 1.3 better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 32.9 in the Noometry coding category.
How many benchmarks do Claude 3 Opus and Muse Spark 1.3 share?
23 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Muse Spark 1.3 has 37.