Model comparison
Llama 3.1-8B vs Muse Spark 1.3
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 23.0 on the Noometry Index. Llama 3.1-8B costs 35× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.
Last verified . 25 shared benchmarks.
MetaSummary
- They share 25 benchmarks with published results for both. Llama 3.1-8B scores higher in 0 categories and Muse Spark 1.3 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 10.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.7% for Llama 3.1-8B and 99.2% for Muse Spark 1.3.
- Llama 3.1-8B is cheaper at $0.05 / $0.08 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.3.
- Muse Spark 1.3 accepts more context: 1.05M tokens versus 128K.
- Llama 3.1-8B has downloadable open weights; the other is API-only.
Side by side
| Llama 3.1-8B | Muse Spark 1.3 | |
|---|---|---|
| Provider | Meta | Meta |
| Noometry Index | 23.0 | 54.8 |
| Released | 2024-07-23 | 2026-09-02 |
| Weights | Open | Proprietary |
| Context window | 128K | 1.05M |
| Max output | 4K | 131K |
| Input $ / M tokens | $0.05 | $1.25 |
| Output $ / M tokens | $0.08 | $4.25 |
| Results tracked | 43 | 37 |
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Category by category
Coding Muse Spark 1.3 leads
Llama 3.1-8B: 20.2 (#340), Muse Spark 1.3: 56.6 (#21)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| SciCode | 13.2% | 59.7% |
| LMArena Coding | 1195 | 1514 |
| CursorBench | — | 41.6% |
| LMArena WebDev | — | 1657 |
| WeirdML | 1.7% | — |
| BigCodeBench Instruct | 32.8% | — |
| BigCodeBench Complete | 40.5% | — |
| HumanEval+ | 62.8% | — |
| MBPP+ | 55.6% | — |
Agentic & Tool Use Muse Spark 1.3 leads
Llama 3.1-8B: 22.5 (#131), Muse Spark 1.3: 38.6 (#30)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | — | 57.8% |
| Berkeley Function Calling Leaderboard | 25.8% | — |
| BALROG | 15.1% | — |
| GDP.pdf | — | 27.6% |
Reasoning Muse Spark 1.3 leads
Llama 3.1-8B: 14.9 (#321), Muse Spark 1.3: 54.0 (#27)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| CritPt | 0% | 26% |
| Chess Puzzles | 0% | 38% |
| LMArena Hard Prompts | 1175 | 1503 |
| DTBench | 50.9% | 96.5% |
| LMCA | 5.4% | 53.9% |
| Epoch Capabilities Index | 116.57 | 156.75 |
| NYT Connections (extended) | — | 85.1% |
| Mystery Game Puzzles | — | 25% |
| Bench to the Future 3 | — | 0.14 |
| PIQA | 81.2% | — |
Math Muse Spark 1.3 leads
Llama 3.1-8B: 10.2 (#317), Muse Spark 1.3: 73.1 (#21)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.7% | 99.2% |
| LMArena Math | 1179 | 1494 |
| FrontierMath (Tiers 1-3) | — | 74.4% |
| FrontierMath Tier 4 | — | 46.3% |
| ProofBench | — | 58% |
| Omni-MATH | 13.7% | — |
| MATH Level 5 | 22.9% | — |
| GSM8K | 82.4% | — |
Knowledge Muse Spark 1.3 leads
Llama 3.1-8B: 8.0 (#307), Muse Spark 1.3: 42.6 (#95)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| LMArena Expert | 1144 | 1516 |
| GPQA Diamond | 27% | — |
| MMLU-Pro | 40.6% | — |
| GPQA (HELM) | 24.7% | — |
| BoolQ | 82.8% | — |
| MMLU | 56.1% | — |
Multimodal Not comparable
Llama 3.1-8B: —, Muse Spark 1.3: 43.7 (#22)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | — | 1309 |
| LMArena Document | — | 1471 |
Multilingual Muse Spark 1.3 leads
Llama 3.1-8B: 34.0 (#249), Muse Spark 1.3: 57.4 (#8)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | 1148 | 1481 |
| LMArena Chinese | 1151 | 1529 |
| LMArena French | 1177 | 1524 |
| LMArena German | 1144 | 1515 |
| LMArena Japanese | 1061 | 1474 |
| LMArena Korean | 1053 | 1501 |
| LMArena Russian | 1158 | 1490 |
| LMArena Spanish | 1169 | 1490 |
Instruction Following Muse Spark 1.3 leads
Llama 3.1-8B: 58.9 (#258), Muse Spark 1.3: 77.5 (#22)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | 1159 | 1477 |
| IFEval | 74.3% | — |
Long Context Muse Spark 1.3 leads
Llama 3.1-8B: 35.8 (#238), Muse Spark 1.3: 45.6 (#32)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | 1182 | 1488 |
Writing & Preference Muse Spark 1.3 leads
Llama 3.1-8B: 29.7 (#290), Muse Spark 1.3: 73.6 (#9)
| Benchmark | Llama 3.1-8B | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | 1187 | 1490 |
| LMArena Creative Writing | 1154 | 1455 |
| EQ-Bench Creative Writing | 713 | 1906 |
| LMArena Multi-Turn | 1172 | 1482 |
| WildBench | 68.7% | — |
Frequently asked questions
Is Llama 3.1-8B better than Muse Spark 1.3?
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 23.0 on the Noometry Index. Llama 3.1-8B costs 35× less per token, which makes it the better buy when Muse Spark 1.3's lead doesn't matter for your workload.
Which is cheaper, Llama 3.1-8B or Muse Spark 1.3?
Llama 3.1-8B is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; Muse Spark 1.3 lists at $1.25 and $4.25.
Is Llama 3.1-8B or Muse Spark 1.3 better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 20.2 in the Noometry coding category.
Which has the bigger context window?
Muse Spark 1.3 does, with 1.05M tokens against 128K.
How many benchmarks do Llama 3.1-8B and Muse Spark 1.3 share?
25 benchmarks have published results for both models. Llama 3.1-8B has 43 scored results on Noometry and Muse Spark 1.3 has 37.