Muse Wonder vs Gemini 3.8 Flash

  • Muse Wonder and Gemini 3.8 Flash are level on LMArena’s text leaderboard (1501 and 1498).
  • Gemini 3.8 Flash is cheaper: $0.82 / $4.13 per million input / output tokens, against $4 / $20 for Muse Wonder.
  • On the 10 Vals AI benchmarks both have taken, Muse Wonder wins 9 and Gemini 3.8 Flash wins 1 (Muse Wonder: Vals Index, Terminal-Bench 4.0, Vibe Code Bench).

Side by side

Models (2/6)
  • Muse Wonder
  • Gemini 3.8 Flash
BenchmarkMuse WonderGemini 3.8 Flash
The model
LabMetaGoogle
Released2026-10-122026-09-02
WeightsProprietaryProprietary
Context window1M1M
Input, per 1M tokens$4$0.82
Output, per 1M tokens$20$4.13
LMArena, people’s votes
LMArena TextMillions of people compare two anonymous models side by side and vote for the better answer1501#7 of 3511498#8 of 351
LMArena WebDevPeople ask two anonymous models to build the same web app, try both and vote for the better one1651#18 of 1241585#36 of 124
LMArena VisionSide-by-side votes on prompts that include an image—1315#7 of 146
LMArena CodingLMArena’s text votes on prompts that ask for code1518#11 of 3461508#17 of 346
LMArena MathLMArena’s text votes on math prompts1484#30 of 3391532#4 of 339
LMArena Creative writingLMArena’s text votes on stories, poems and other creative writing1493#7 of 3491489#8 of 349
LMArena Hard promptsLMArena’s text votes on the hardest prompts1505#12 of 3511509#9 of 351
LMArena Instruction followingLMArena’s text votes on prompts with specific instructions to follow1493#10 of 3511492#11 of 351
Vals AI, overall
Vals IndexVals AI’s headline score64.88%#6 of 2755.95%#15 of 27
Vals AI, coding
Terminal-Bench 4.0Frontier-difficulty tasks an agent completes in a real terminal49.49%#10 of 5519.70%#31 of 55
SWE-benchReal GitHub issues from open-source projects—80.00%#23 of 85
Vibe Code BenchBuilding complete web apps from a plain-language brief, graded on whether the app works83.09%#20 of 11578.65%#29 of 115
Code MigrationRewriting working programs in a new language, graded on whether the new program still passes its tests72.36%#5 of 2838.65%#22 of 28
LiveCodeBenchFresh competitive programming problems, collected after models’ training cut-offs to avoid contamination—89.48%#3 of 143
Vals AI, finance
Finance AgentThe core tasks of a financial analyst, done as an agent with research tools65.55%#6 of 3165.76%#5 of 31
Finance IndexVals AI’s composite of finance tasks61.23%#6 of 3160.46%#9 of 31
Tax Agent BenchAgentic research into US corporate tax questions36.27%#12 of 7632.12%#21 of 76
Vals AI, law
Legal IndexVals AI’s composite of legal tasks75.26%#3 of 2869.78%#14 of 28
Legal Research BenchAgentic US legal research50.48%#6 of 8538.94%#34 of 85
Vals AI, medicine
MedCodeAssigning the right medical billing codes from clinical notes—48.13%#31 of 107
Vals AI, reasoning
GPQA DiamondGraduate-level questions in biology, physics and chemistry that experts answer well and search does not—94.44%#4 of 138
MMLU-ProHarder, reasoning-focused multiple choice across 14 subjects, from law to engineering—90.22%#5 of 138
MMMUCollege-level questions that need both an image and text—89.08%#4 of 93
Terminal-Bench ScienceExpert-written scientific research workflows, run by an agent in a terminal22.86%#10 of 428.57%#19 of 42

Add models in the compare tool. Vals Index: Muse Wonder 64.88%, Gemini 3.8 Flash 55.95%.

Questions

Which is better, Muse Wonder or Gemini 3.8 Flash?

Muse Wonder and Gemini 3.8 Flash are level on LMArena’s text leaderboard (1501 and 1498). Gemini 3.8 Flash is cheaper: $0.82 / $4.13 per million input / output tokens, against $4 / $20 for Muse Wonder. On the 10 Vals AI benchmarks both have taken, Muse Wonder wins 9 and Gemini 3.8 Flash wins 1 (Muse Wonder: Vals Index, Terminal-Bench 4.0, Vibe Code Bench).

Which is cheaper, Muse Wonder or Gemini 3.8 Flash?

Gemini 3.8 Flash is cheaper: $0.82 / $4.13 per million input / output tokens, against $4 / $20 for Muse Wonder.

Sources

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.