Gemini 4 Argon
Claude Opus 5.5
Muse Wonder
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GPT-5.5
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Grok 4.20 Beta
amazon-nova-experimental-chat
Dola Seed 2.0 Pro
NVIDIA-Nemotron-3-Ultra-550B-A55B
Gemma 4 31B
Step 5 PreviewGemini 4 Argon vs Muse Spark 1.3
- Gemini 4 Argon rates higher on LMArena’s text leaderboard: 1526 against 1491.
- Muse Spark 1.3 is cheaper: $1.25 / $4.25 per million input / output tokens, against $2 / $10 for Gemini 4 Argon.
- On the 5 Vals AI benchmarks both have taken, Gemini 4 Argon wins 5 and Muse Spark 1.3 wins 0.
Side by side
Models (2/6)
- Gemini 4 Argon
- Muse Spark 1.3
| Benchmark | Gemini 4 Argon | Muse Spark 1.3 |
|---|---|---|
| The model | ||
| Lab | Meta | |
| Released | 2026-10-13 | 2026-09-02 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 1M |
| Input, per 1M tokens | $2 | $1.25 |
| Output, per 1M tokens | $10 | $4.25 |
| LMArena, people’s votes | ||
| LMArena TextMillions of people compare two anonymous models side by side and vote for the better answer | 1526#1 of 351 | 1491#10 of 351 |
| LMArena WebDevPeople ask two anonymous models to build the same web app, try both and vote for the better one | 1674#11 of 124 | 1657#16 of 124 |
| LMArena VisionSide-by-side votes on prompts that include an image | — | 1308#12 of 146 |
| LMArena CodingLMArena’s text votes on prompts that ask for code | 1539#2 of 346 | 1511#13 of 346 |
| LMArena MathLMArena’s text votes on math prompts | 1538#1 of 339 | 1502#13 of 339 |
| LMArena Creative writingLMArena’s text votes on stories, poems and other creative writing | 1523#2 of 349 | 1462#23 of 349 |
| LMArena Hard promptsLMArena’s text votes on the hardest prompts | 1538#1 of 351 | 1504#13 of 351 |
| LMArena Instruction followingLMArena’s text votes on prompts with specific instructions to follow | 1528#2 of 351 | 1479#21 of 351 |
| Vals AI, overall | ||
| Vals IndexVals AI’s headline score | 69.24%#3 of 27 | — |
| Vals AI, coding | ||
| Terminal-Bench 4.0Frontier-difficulty tasks an agent completes in a real terminal | 57.58%#7 of 55 | 10.61%#41 of 55 |
| Vibe Code BenchBuilding complete web apps from a plain-language brief, graded on whether the app works | 91.91%#2 of 115 | 82.86%#21 of 115 |
| Code MigrationRewriting working programs in a new language, graded on whether the new program still passes its tests | 70.80%#6 of 28 | — |
| Vals AI, finance | ||
| Finance AgentThe core tasks of a financial analyst, done as an agent with research tools | 67.66%#2 of 31 | — |
| Finance IndexVals AI’s composite of finance tasks | 64.89%#2 of 31 | — |
| Tax Agent BenchAgentic research into US corporate tax questions | 44.56%#5 of 76 | 35.97%#13 of 76 |
| Vals AI, law | ||
| Legal IndexVals AI’s composite of legal tasks | 76.72%#2 of 28 | — |
| Legal Research BenchAgentic US legal research | 54.81%#4 of 85 | 40.87%#29 of 85 |
| Vals AI, medicine | ||
| MedCodeAssigning the right medical billing codes from clinical notes | 58.80%#3 of 107 | — |
| Vals AI, reasoning | ||
| Terminal-Bench ScienceExpert-written scientific research workflows, run by an agent in a terminal | 44.29%#5 of 42 | 4.29%#25 of 42 |
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Questions
Which is better, Gemini 4 Argon or Muse Spark 1.3?
Gemini 4 Argon rates higher on LMArena’s text leaderboard: 1526 against 1491. Muse Spark 1.3 is cheaper: $1.25 / $4.25 per million input / output tokens, against $2 / $10 for Gemini 4 Argon. On the 5 Vals AI benchmarks both have taken, Gemini 4 Argon wins 5 and Muse Spark 1.3 wins 0.
Which is cheaper, Gemini 4 Argon or Muse Spark 1.3?
Muse Spark 1.3 is cheaper: $1.25 / $4.25 per million input / output tokens, against $2 / $10 for Gemini 4 Argon.