Pass IndexThe State of AISign in

Muse Spark 1.2

A coding-optimized model purpose-built for agentic workflows.

text + image + file → text · made by Meta

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

Sold by 7 ways

SellerLaneRate
Meta apistandard$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cacheddeveloper.meta.com · read 2026-08-25
OpenRouter aggregatornot on the seller's list todayalt$0.1per Mtok in$0.2per Mtok out$0.002per Mtok cachedopenrouter.ai · read 2026-08-26
OpenRouter aggregatornot on the seller's list todaycontributor$0.1per Mtok in$0.2per Mtok out$0.002per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatornot on the seller's list todaymeta alt$0.1per Mtok in$0.2per Mtok out$0.002per Mtok cachedopenrouter.ai · read 2026-08-26
OpenRouter aggregatorstandard$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cachedopenrouter.ai · read 2026-08-24
Nous Research aggregatorstandard$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cachedinference-api.nousresearch.com · read 2026-09-12
Vercel AI Gateway aggregatorstandard$1.25per Mtok in$4.25per Mtok out$0.15per Mtok cachedai-gateway.vercel.sh · read 2026-08-25

Measured 41 standings

PlaceBoardMetricScore
2ndof 152Design Arena · dataviz (models)Elo1365
3rdof 25SWE-Bench Pro (Public Dataset)Resolve Rate55
4thof 51Humanity's Last Exam (Epoch AI replication)Accuracy40.56
4thof 402LMArena · TextScore (Elo)1500
6thof 162Design Arena · website (models)Elo1322
7thof 92Design Arena · asciiart (models)Elo1319
7thof 152LMArena · VisionScore (Elo)1294
8thof 9Frontierswe — Epoch AIScore (xhigh)11.97
9thof 102Simplebench — Epoch AIScore (AVG@5)0.745
10thof 156Design Arena · codecategories (models)Elo1327
11thof 109Design Arena · svg (models)Elo1314
12thof 80Simpleqa verified — Epoch AImean_score (xhigh)60.302
13thof 161Dtbench — Epoch AIAccuracy (xhigh)94.67
13thof 101FrontierMath (Tiers 1-3)mean_score39
16thof 55Design Arena · androidnative (agents)Elo1237
16thof 155Design Arena · gamedev (models)Elo1325
16thof 150Design Arena · uicomponent (models)Elo1326
16thof 168Scicode — Epoch AIScore (xhigh)56.366
17thof 147Design Arena · 3d (models)Elo1331
18thof 62Design Arena · webapps (agents)Elo1241
18thof 72Frontiermath tier 4 — Epoch AImean_score14.6
19thof 123Lmca — Epoch AIScore (xhigh)48.35
21stof 39Gdp pdf — Epoch AIGDP.pdf score (xhigh)0.16
23rdof 43Design Arena · python-pptxslides (agents)Elo1198
23rdof 64Proofbench — Epoch AIAccuracy43
24thof 143Artificial Analysis · Agentic IndexIndex44
25thof 40Design Arena · agenticgamedev (agents)Elo1179
27thof 64Design Arena · fullstack (agents)Elo1221
30thof 184Artificial Analysis · Coding IndexIndex72.2
31stof 36Design Arena · htmlslides (agents)Elo1137
31stof 63Design Arena · mobileapps (agents)Elo1194
31stof 121Webdev arena — Epoch AIArena Score (xhigh)1533.68
32ndof 46LMArena · AgentNet Improvement (%)2.98
34thof 302Artificial Analysis · Intelligence IndexArtificial Analysis Intelligence Index (xhigh)40
34thof 128LMArena · WebDevScore (Elo)1534
38thof 69Deepswe — Epoch AIPass@1 (xhigh)0.549
43rdof 313GPQA Diamondmean_score89.8
44thof 177Critpt — Epoch AIAccuracy (xhigh)17.714
50thof 170Weirdml — Epoch AIAccuracy (xhigh)60.3
63rdof 290OTIS Mock AIME 2024-2025mean_score88.9
114thof 656Epoch capabilities index — Epoch AIECI Score (xhigh)155.51

About

Muse Spark 1.2 — a text model from Meta, sold by 4 companies from $1.25 in and $4.25 out per million tokens, placed 2nd of 152 on Design Arena · dataviz (models).

It takes text, images and files and returns text, with a context window of 1,048,576 tokens. It was published in August 2026. Its sellers say it can reason step by step and call a tool. The catalogue files it under reasoning, code and agents. Four companies sell it. The cheapest is $1.25 in and $4.25 out per million tokens at Meta. It has been measured on 41 boards, and stands best at 2nd of 152 on Design Arena · dataviz (models).

Every current figure

Maker
Meta
Register
model
Takes
text + image + file
Returns
text
Context
1,048,576 tokens
Published
August 2026
Licence
not read
Sellers
4
Price
$1.25 in and $4.25 out per million tokens — Meta
Boards
41
Best place
2nd of 152 — Design Arena · dataviz (models)

Known as 6 names

Muse Spark 1.2 (xhigh)Muse Sparkmuse-sparkmuse-spark-1.2 (xHigh)muse-spark-1.2meta/muse-spark-1.2