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Step 5 PreviewMuse Spark 1.3 vs Qwen3.8-Max
- Muse Spark 1.3 rates higher on LMArena’s text leaderboard: 1491 against 1484.
- Muse Spark 1.3 is cheaper: $1.25 / $4.25 per million input / output tokens, against $2 / $6 for Qwen3.8-Max.
- On the 5 Vals AI benchmarks both have taken, Muse Spark 1.3 wins 2 and Qwen3.8-Max wins 3 (Muse Spark 1.3: Vibe Code Bench, Tax Agent Bench).
LatestQwen3.8-Max 1484
Side by side
Models (2/6)
- Muse Spark 1.3
- Qwen3.8-Max
| Benchmark | Muse Spark 1.3 | Qwen3.8-Max |
|---|---|---|
| The model | ||
| Lab | Meta | Alibaba |
| Released | 2026-09-02 | 2026-09-03 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 1M |
| Input, per 1M tokens | $1.25 | $2 |
| Output, per 1M tokens | $4.25 | $6 |
| LMArena, people’s votes | ||
| LMArena TextMillions of people compare two anonymous models side by side and vote for the better answer | 1491#10 of 351 | 1484#15 of 351 |
| LMArena WebDevPeople ask two anonymous models to build the same web app, try both and vote for the better one | 1657#16 of 124 | 1673#12 of 124 |
| LMArena VisionSide-by-side votes on prompts that include an image | 1308#12 of 146 | 1313#10 of 146 |
| LMArena CodingLMArena’s text votes on prompts that ask for code | 1511#13 of 346 | 1503#21 of 346 |
| LMArena MathLMArena’s text votes on math prompts | 1502#13 of 339 | 1501#15 of 339 |
| LMArena Creative writingLMArena’s text votes on stories, poems and other creative writing | 1462#23 of 349 | 1477#16 of 349 |
| LMArena Hard promptsLMArena’s text votes on the hardest prompts | 1504#13 of 351 | 1497#16 of 351 |
| LMArena Instruction followingLMArena’s text votes on prompts with specific instructions to follow | 1479#21 of 351 | 1481#18 of 351 |
| Vals AI, overall | ||
| Vals IndexVals AI’s headline score | — | 59.05%#11 of 27 |
| Vals AI, coding | ||
| Terminal-Bench 4.0Frontier-difficulty tasks an agent completes in a real terminal | 10.61%#41 of 55 | 34.34%#18 of 55 |
| SWE-benchReal GitHub issues from open-source projects | — | 85.60%#16 of 85 |
| Vibe Code BenchBuilding complete web apps from a plain-language brief, graded on whether the app works | 82.86%#21 of 115 | 64.70%#49 of 115 |
| Code MigrationRewriting working programs in a new language, graded on whether the new program still passes its tests | — | 57.19%#10 of 28 |
| LiveCodeBenchFresh competitive programming problems, collected after models’ training cut-offs to avoid contamination | — | 87.85%#10 of 143 |
| Vals AI, finance | ||
| Finance AgentThe core tasks of a financial analyst, done as an agent with research tools | — | 58.83%#23 of 31 |
| Finance IndexVals AI’s composite of finance tasks | — | 61.66%#5 of 31 |
| Tax Agent BenchAgentic research into US corporate tax questions | 35.97%#13 of 76 | 32.09%#22 of 76 |
| Vals AI, law | ||
| Legal IndexVals AI’s composite of legal tasks | — | 73.90%#5 of 28 |
| Legal Research BenchAgentic US legal research | 40.87%#29 of 85 | 46.15%#17 of 85 |
| Vals AI, medicine | ||
| MedCodeAssigning the right medical billing codes from clinical notes | — | 40.67%#62 of 107 |
| Vals AI, reasoning | ||
| GPQA DiamondGraduate-level questions in biology, physics and chemistry that experts answer well and search does not | — | 93.69%#6 of 138 |
| MMLU-ProHarder, reasoning-focused multiple choice across 14 subjects, from law to engineering | — | 88.60%#18 of 138 |
| MMMUCollege-level questions that need both an image and text | — | 88.03%#12 of 93 |
| Terminal-Bench ScienceExpert-written scientific research workflows, run by an agent in a terminal | 4.29%#25 of 42 | 12.86%#13 of 42 |
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Questions
Which is better, Muse Spark 1.3 or Qwen3.8-Max?
Muse Spark 1.3 rates higher on LMArena’s text leaderboard: 1491 against 1484. Muse Spark 1.3 is cheaper: $1.25 / $4.25 per million input / output tokens, against $2 / $6 for Qwen3.8-Max. On the 5 Vals AI benchmarks both have taken, Muse Spark 1.3 wins 2 and Qwen3.8-Max wins 3 (Muse Spark 1.3: Vibe Code Bench, Tax Agent Bench).
Which is cheaper, Muse Spark 1.3 or Qwen3.8-Max?
Muse Spark 1.3 is cheaper: $1.25 / $4.25 per million input / output tokens, against $2 / $6 for Qwen3.8-Max.