Model comparison
Claude Instant vs Muse Spark 1.3
Muse Spark 1.3 has enough public results to be ranked (#27); Claude Instant does not yet, so treat this comparison as directional.
Last verified . 2 shared benchmarks.
MetaSummary
- They share 2 benchmarks with published results for both. Claude Instant scores higher in 0 categories and Muse Spark 1.3 in 1 category; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.3 leads 54.0 to 19.6.
- The biggest single-benchmark swing is DTBench: 45.8% for Claude Instant and 96.5% for Muse Spark 1.3.
Side by side
| Claude Instant | Muse Spark 1.3 | |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 29.5 | 54.8 |
| Released | 2023-08-09 | 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 | 7 | 37 |
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Category by category
Coding Not comparable
Claude Instant: —, Muse Spark 1.3: 56.6 (#21)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| CursorBench | — | 41.6% |
| LMArena WebDev | — | 1657 |
| SciCode | — | 59.7% |
| LMArena Coding | — | 1514 |
| HumanEval+ | 50.6% | — |
Agentic & Tool Use Not comparable
Claude Instant: —, Muse Spark 1.3: 38.6 (#30)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | — | 57.8% |
| GDP.pdf | — | 27.6% |
Reasoning Muse Spark 1.3 leads
Claude Instant: 19.6, Muse Spark 1.3: 54.0 (#27)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| DTBench | 45.8% | 96.5% |
| Epoch Capabilities Index | 120.28 | 156.75 |
| NYT Connections (extended) | — | 85.1% |
| CritPt | — | 26% |
| Chess Puzzles | — | 38% |
| LMArena Hard Prompts | — | 1503 |
| Mystery Game Puzzles | — | 25% |
| LMCA | — | 53.9% |
| Bench to the Future 3 | — | 0.14 |
Math Not comparable
Claude Instant: —, Muse Spark 1.3: 73.1 (#21)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 74.4% |
| FrontierMath Tier 4 | — | 46.3% |
| OTIS Mock AIME 2024-2025 | — | 99.2% |
| ProofBench | — | 58% |
| LMArena Math | — | 1494 |
| GSM8K | 86.7% | — |
Knowledge Not comparable
Claude Instant: —, Muse Spark 1.3: 42.6 (#95)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | — | 1516 |
| ARC (AI2) Challenge | 86.3% | — |
| MMLU | 73.4% | — |
| TriviaQA | 78.9% | — |
Multimodal Not comparable
Claude Instant: —, Muse Spark 1.3: 43.7 (#22)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | — | 1309 |
| LMArena Document | — | 1471 |
Multilingual Not comparable
Claude Instant: —, Muse Spark 1.3: 57.4 (#8)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | — | 1481 |
| LMArena Chinese | — | 1529 |
| LMArena French | — | 1524 |
| LMArena German | — | 1515 |
| LMArena Japanese | — | 1474 |
| LMArena Korean | — | 1501 |
| LMArena Russian | — | 1490 |
| LMArena Spanish | — | 1490 |
Instruction Following Not comparable
Claude Instant: —, Muse Spark 1.3: 77.5 (#22)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | — | 1477 |
Long Context Not comparable
Claude Instant: —, Muse Spark 1.3: 45.6 (#32)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | — | 1488 |
Writing & Preference Not comparable
Claude Instant: —, Muse Spark 1.3: 73.6 (#9)
| Benchmark | Claude Instant | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | — | 1490 |
| LMArena Creative Writing | — | 1455 |
| EQ-Bench Creative Writing | — | 1906 |
| LMArena Multi-Turn | — | 1482 |
Frequently asked questions
Is Claude Instant better than Muse Spark 1.3?
Muse Spark 1.3 has enough public results to be ranked (#27); Claude Instant does not yet, so treat this comparison as directional.
How many benchmarks do Claude Instant and Muse Spark 1.3 share?
2 benchmarks have published results for both models. Claude Instant has 7 scored results on Noometry and Muse Spark 1.3 has 37.