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Muse Spark 1.1

Muse Spark 1.1 is strongest at agentic performance, tool use, and computer use.

text + image + file → text · made by Meta

$1.25→$4.25per Mtok in / out
Meta · 4 sellers

Sold by 5 ways

SellerLaneRate
Meta apistandard$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cacheddeveloper.meta.com · read 2026-08-25
ElectronHub aggregatorstandard$1.25per Mtok in$4.25per Mtok outapi.electronhub.ai · read 2026-10-31
Nous Research 0 ways$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cached
Nous Research aggregatornot on the seller's list todaystandard$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cachedinference-api.nousresearch.com · read 2026-08-25
OpenRouter aggregatorstandard$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cachedopenrouter.ai · read 2026-08-24
Vercel AI Gateway aggregatorstandard$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cachedai-gateway.vercel.sh · read 2026-08-25

Measured 37 standings

PlaceBoardMetricScore
12thof 414LMArena · TextScore (Elo)1491
13thof 23Gbaeval — Epoch AIOverall score0.079
17thof 29Surface evolver bench — Epoch AIMean score (high)0.525
18thof 36Design Arena · htmlslides (agents)Elo1091
18thof 93Simpleqa verified — Epoch AImean_score57.789
19thof 235Scicode — Epoch AIScore58.796
20thof 39Design Arena · agenticgamedev (agents)Elo1131
20thof 71Vending bench 2 — Epoch AIScore6520.475
24thof 93Design Arena · asciiart (models)Elo1264
26thof 61Design Arena · fullstack (agents)Elo1199
28thof 165LMArena · VisionScore (Elo)1280
29thof 39Design Arena · blender3d (agents)Elo1017
30thof 54Design Arena · androidnative (agents)Elo1169
30thof 68Design Arena · webapps (agents)Elo1196
31stof 41Design Arena · python-pptxslides (agents)Elo1114
34thof 114Design Arena · svg (models)Elo1230
37thof 41Design Arena · spreadsheet (agents)Elo1049
37thof 157Design Arena · uicomponent (models)Elo1282
39thof 163Artificial Analysis · Coding IndexIndex71.3
40thof 68Design Arena · mobileapps (agents)Elo1174
40thof 56Gdp pdf — Epoch AIGDP.pdf score0.15
40thof 141LMArena · WebDevScore (Elo)1542
40thof 84Proofbench — Epoch AIAccuracy39
40thof 135Webdev arena — Epoch AIArena Score1541.55
41stof 154Design Arena · dataviz (models)Elo1268
41stof 162Design Arena · gamedev (models)Elo1269
41stof 50Design Arena · godotgamedev (agents)Elo1103
42ndof 163Design Arena · codecategories (models)Elo1274
43rdof 150Design Arena · 3d (models)Elo1258
45thof 69Deepswe — Epoch AIPass@10.533
45thof 169Design Arena · website (models)Elo1269
53rdof 131Artificial Analysis · Agentic IndexIndex25.8
54thof 60Apex agents — Epoch AIPass@1 score0.318
57thof 235Dtbench — Epoch AIAccuracy (high)94.4
60thof 154Chess puzzles — Epoch AImean_score (xhigh)34
65thof 197Lmca — Epoch AIScore (high)49.91
95thof 260Critpt — Epoch AIAccuracy (xhigh)15.143

About

Muse Spark 1.1 — a text model from Meta, sold by 4 companies from $1.25 in and $4.25 out per million tokens, placed 12th of 414 on LMArena · Text.

It takes text, images and files and returns text, with a context window of 1,048,576 tokens. It was published in April 2026. Its sellers say it can reason step by step and call a tool. The catalogue files it under code and agents. Four companies sell it. The cheapest is $1.25 in and $4.25 out per million tokens at ElectronHub. It has been measured on 37 boards, and stands best at 12th of 414 on LMArena · Text.

Every current figure

Maker
Meta
Register
model
Takes
text + image + file
Returns
text
Context
1,048,576 tokens
Published
April 2026
Licence
not read
Sellers
4
Price
$1.25 in and $4.25 out per million tokens — ElectronHub
Boards
37
Best place
12th of 414 — LMArena · Text

Known as 4 names

muse-spark-1.1Muse Spark 1.1*mini-SWE-agent + Muse Spark 1.1 (xhigh)meta/muse-spark-1.1