All tasks / Comparisons

Gemini 3.8 Flash vs Muse Spark 1.3

Compared only on public benchmark results, across the 7 tasks where both are listed: Gemini 3.8 Flash is a tier higher in 1 of 7 shared tasks, Muse Spark 1.3 in 3, they share a tier in 3.

Gemini 3.8 Flash

Google's Flash tier of faster, lower-cost Gemini models, aimed at agents, coding and high-volume use.

Vendor
Google
Weights
Closed: API and apps only
Released
2 Sep 2026
API price
$0.75 in / $3.75 out per 1M tokens
License
proprietary
Last verified
18 Oct 2026

Alternatives to Gemini 3.8 Flash

Muse Spark 1.3

Meta's mid-tier proprietary Muse model line, offered through Meta's API.

Vendor
Meta
Weights
Closed: API and apps only
Released
Sep 2026
API price
$1.25 in / $4.25 out per 1M tokens
License
proprietary
Last verified
18 Oct 2026

Alternatives to Muse Spark 1.3

Task by task

TaskGemini 3.8 FlashMuse Spark 1.3Higher tier
Chat & assistants
Models
S1,496 on LMArena Text Arena (overall, style control) · CloudS1,494 on LMArena Text Arena (overall, style control) · CloudSame tier
Writing
Models
S1,487 on LMArena Text Arena: Creative Writing (style control) · CloudA1,461 on LMArena Text Arena: Creative Writing (style control) · CloudGemini 3.8 Flash
Coding
Models
C1,586 on LMArena WebDev / Code Arena (overall) · CloudB1,659 on LMArena WebDev / Code Arena (overall) · CloudMuse Spark 1.3
Image understanding
Models
S1,289 on LMArena Vision Arena (overall, style control) · CloudS1,290 on LMArena Vision Arena (overall, style control) · CloudSame tier
Vector graphics & logos
Models
C1,294 on Design Arena SVG · CloudC1,323 on Design Arena SVG · CloudSame tier
Browser & computer agents
Models
–No public result yet · CloudA39.3% on OSWorld 2.0 (end-to-end models) · CloudMuse Spark 1.3
Slides & presentations
Models
B1,179 on Design Arena Python-PPTX Slides · CloudA1,244 on Design Arena Python-PPTX Slides · CloudMuse Spark 1.3

A tier spans a range of scores, and small gaps on a leaderboard are often within its margin of error, so only a different tier counts as ahead. How we rank.

Same benchmark, both results

BenchmarkGemini 3.8 FlashMuse Spark 1.3Snapshot
Artificial Analysis Intelligence Index
Composite index over Artificial Analysis' own evaluation suite, higher is better
414818 Oct 2026
Artificial Analysis MMMU-Pro (independent evaluation)
Accuracy on MMMU-Pro (multi-discipline multimodal questions over images), as run by Artificial Analysis, higher is better
85.6%82%19 Oct 2026
Design Arena Python-PPTX Slides
Elo rating from crowdsourced blind pairwise votes on PowerPoint decks that models build with python-pptx in Design Arena's agent harness, higher is better
1,1791,24418 Oct 2026
Design Arena SVG
Elo rating from crowdsourced blind pairwise votes on SVG markup that models generate from a prompt (icons, illustrations, diagrams, artistic compositions), higher is better
1,2941,32319 Oct 2026
EQ-Bench Creative Writing v3
Elo score from LLM-judged pairwise comparisons of creative-writing outputs (rubric score shown alongside), higher is better
1,7481,90624 Sep 2026
LMArena Text Arena (overall, style control)
Arena score (Bradley-Terry rating from pairwise human votes, style-controlled default view), higher is better
1,4961,49415 Oct 2026
LMArena Text Arena: Creative Writing (style control)
Arena score (Bradley-Terry rating from pairwise human votes, creative-writing prompts only, style-controlled view), higher is better
1,4871,46115 Oct 2026
LMArena Vision Arena (overall, style control)
Arena score (Bradley-Terry rating from pairwise human votes on image + text prompts, style-controlled view), higher is better
1,2891,2909 Oct 2026
LMArena WebDev / Code Arena (overall)
Arena score (Bradley-Terry rating from pairwise human votes on web-app generation), higher is better
1,5861,65918 Oct 2026