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Muse Spark 1.3

by Meta

Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows.

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Our verdict

Not reviewed yet

We have not reviewed Muse Spark 1.3 yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

How we review records

From the listing

About Muse Spark 1.3

Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows.

Notes

Muse Spark 1.3 is listed in the EDNA Models directory from the OpenRouter catalogue.

Key facts

What we have checked

Input price
$1.25 per million tokens
Checked OpenRouter models API
Output price
$4.25 per million tokens
Checked OpenRouter models API
Price on meta
$0.150 per million cached input tokens
Checked OpenRouter models API
Price on meta
$1.25 per million input tokens
Checked OpenRouter models API
Price on meta
$4.25 per million output tokens
Checked OpenRouter models API
Latest version
meta/muse-spark-1.3-20260902
Checked OpenRouter models API
Time to first token (ms)
36,130
Checked Artificial Analysis
Time to first token (ms) on meta
3,605
Checked OpenRouter models API
Output speed (tokens a second)
140.2
Checked Artificial Analysis
Frontiermath tiers 1 3 v2 private
74.4% (for 2 Sept 2026)
Checked Epoch AI (CC BY 4.0)
Apex agents
58.6% (for 2 Sept 2026)
Checked Epoch AI (CC BY 4.0)
Chess puzzles
37% (for 2 Sept 2026)
Checked Epoch AI (CC BY 4.0)

Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.

API access

How to call it

Call via OpenRouter with model id `meta/muse-spark-1.3`.

  • openrouter · meta/muse-spark-1.3 · Docs

OpenRouter id: meta/muse-spark-1.3

Price

What Muse Spark 1.3 costs, over time

Input price

$1.25 to $1.25

US dollars per million input tokens. 3 Sept 2026 to 7 Nov 2026, 41 days.

Source: OpenRouter models API. Checked .

Output price

$4.25 to $4.25

US dollars per million output tokens. 3 Sept 2026 to 7 Nov 2026, 41 days.

Source: OpenRouter models API. Checked .

Prices by host

HostPriceOver timeChecked
metaCached input$0.150 per million cached input tokensSince 24 Oct 2026No change recordedOpenRouter models API
metaInput$1.25 per million input tokensSince 24 Oct 2026No change recordedOpenRouter models API
metaOutput$4.25 per million output tokensSince 24 Oct 2026No change recordedOpenRouter models API

Usage

How much Muse Spark 1.3 is used

Tokens served a day

22.8B to 7.4B

tokens a day on OpenRouter. 19 Sept 2026 to 7 Nov 2026, 50 readings.

Source: OpenRouter model activity (741 of 741 series). Checked .

Scores

How Muse Spark 1.3 scores

Each score comes from the named source and shows when we last confirmed it. A flag means the score needs care.

ScoreValueSourceChecked
Artificial Analysis Intelligence Index36.6indexAs of 7 Nov 2026Artificial Analysis via OpenRouter
Artificial Analysis Coding Index76.5indexAs of 7 Nov 2026Artificial Analysis via OpenRouter
Artificial Analysis Agentic Index55.5indexAs of 7 Nov 2026Artificial Analysis via OpenRouter
LMArena text rating (Elo)1,491EloAs of 7 Nov 2026LMArena (CC-BY-4.0), published 2026-11-06
LMArena web development rating (Elo)1,654EloAs of 7 Nov 2026LMArena (CC-BY-4.0), published 2026-11-06
LMArena vision rating (Elo)1,308EloAs of 7 Nov 2026LMArena (CC-BY-4.0), published 2026-11-06
Design Arena rating (Elo)1,390EloAs of 7 Nov 2026Design Arena via OpenRouter
Apex agents (best-across-versions)58.6percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Chess puzzles (best-across-versions)37percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Dtbench (best-across-versions)96.5percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Frontiermath tier 4 v2 private (best-across-versions)46.3percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Frontiermath tiers 1 3 v2 private (best-across-versions)74.4percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Show 6 more scores
ScoreValueSourceChecked
Frontierswe (best-across-versions)25.8percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Lmca (best-across-versions)53.9percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Mystery game puzzles (best-across-versions)25percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Otis mock aime 2024 2025 (best-across-versions)Saturated99.2percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Proofbench (best-across-versions)58percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Weirdml v3 (best-across-versions)12.1percentAs of 2 Sept 2026Epoch AI (CC BY 4.0)
Saturated
Top models score close to the maximum, so this test no longer separates them.

Compare

Compare Muse Spark 1.3 side by side

Sources

Where this comes from

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

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USAGE / OPENROUTER

How much Muse Spark 1.3 is used

Tokens processed through OpenRouter each day. It shows what developers actually run, not every company's private traffic.

Tokens, last 7 days
111B ▲0.8%
Requests, last 7 days
1.7M
Tool calls, last 7 days
850K
Intelligence score
36.6
People's vote
1491
Average cost per request
$2.08
Price per million tokens
$1.25 in · $4.25 out
0100B200B19 Sept: 22.8B tokens, 280K requests20 Sept: 19B tokens, 262K requests21 Sept: 58.1B tokens, 545K requests22 Sept: 89.4B tokens, 739K requests23 Sept: 102B tokens, 808K requests24 Sept: 69.4B tokens, 893K requests25 Sept: 114B tokens, 1.6M requests26 Sept: 88.4B tokens, 1.3M requests27 Sept: 38.1B tokens, 558K requests28 Sept: 52.9B tokens, 723K requests29 Sept: 70.4B tokens, 912K requests30 Sept: 33B tokens, 807K requests1 Oct: 23.6B tokens, 702K requests2 Oct: 29.8B tokens, 1.1M requests3 Oct: 37.1B tokens, 471K requests4 Oct: 25.4B tokens, 428K requests5 Oct: 31.7B tokens, 475K requests6 Oct: 28.5B tokens, 1.2M requests7 Oct: 34.6B tokens, 4.5M requests8 Oct: 75.8B tokens, 925K requests9 Oct: 166B tokens, 2.1M requests10 Oct: 66.7B tokens, 777K requests11 Oct: 78.4B tokens, 1.1M requests12 Oct: 91.6B tokens, 1.3M requests13 Oct: 41.5B tokens, 660K requests14 Oct: 15B tokens, 315K requests15 Oct: 19.8B tokens, 268K requests16 Oct: 9.3B tokens, 204K requests17 Oct: 9.1B tokens, 283K requests18 Oct: 14B tokens, 294K requests19 Oct: 11.9B tokens, 240K requests20 Oct: 9.1B tokens, 235K requests21 Oct: 22.8B tokens, 360K requests22 Oct: 8.7B tokens, 613K requests23 Oct: 9.3B tokens, 228K requests24 Oct: 16.1B tokens, 309K requests25 Oct: 8.1B tokens, 190K requests26 Oct: 12.3B tokens, 287K requests27 Oct: 15.3B tokens, 256K requests28 Oct: 16.5B tokens, 298K requests29 Oct: 24.9B tokens, 385K requests30 Oct: 17.4B tokens, 297K requests31 Oct: 15.7B tokens, 229K requests1 Nov: 28.6B tokens, 308K requests2 Nov: 24.8B tokens, 302K requests3 Nov: 15.7B tokens, 276K requests4 Nov: 13.1B tokens, 232K requests5 Nov: 10B tokens, 216K requests6 Nov: 11.4B tokens, 222K requests7 Nov: 7.4B tokens, 172K requests19 Sept3 Oct17 Oct31 Oct7 NovSee where it ranks on the leaderboard →

MODEL FIELD GUIDE / SOURCE EVIDENCE

What you can do with Muse Spark 1.3.

Listed specifications; no EDNA task evaluation has been run. Sources checked 2026-11-07. Hosting routes and app features can differ.

DeveloperMeta
Exact model identifiermeta/muse-spark-1.3
Inputtext, image, video, file
Outputtext
Tool calling
Listed support
Structured output
Listed support
Reasoning controls
Listed support
Availability
available
Price basis
token
Licence verification
Check the developer licence; the model name is insufficient
Context length
1M tokens
Knowledge cutoff
Not established
Developer release date
Not established
First seen in the catalogue
2 Sept 2026
Listed retirement date
Not established
Inspect the sources and their scope
catalogue source ↗

meta/muse-spark-1.3: listed route capabilities, availability and prices; provider endpoints can differ.

Checked 2026-11-07
openrouter.ai ↗

Source for reasoning controls, first seen, tool calling, context length, input, output, structured output.

Checked 2026-11-07
How to evaluate a model for your work →

FROM SPECIFICATIONS TO YOUR WORK

Is this the right model for your job?

Start with a realistic sample. These workflows match the model’s listed capabilities, not a verified result on your task.

Build an appWorkflow & starter prompt ↗Extract document dataWorkflow & starter prompt ↗Run a reliable agentWorkflow & starter prompt ↗

What would it cost?

Pick a common job and how many times a month you run it. Token sizes are our assumption for a typical run, shown under the result.

Working out the cost...

Token prices only. Per-request, image, tool, storage and subscription fees are not included. One token is about three quarters of an English word. Real counts vary by model and language. How tokens are counted ↗

Check the source

Price date: 7 Nov 2026, from OpenRouter models API. Prices are USD API token rates. Your app subscription, uploads, browsing and tools are separate.

Model source & availability ↗

Understand the evidence

Listed capabilities and third-party benchmark scores do not establish Enterprise DNA task-test results. Validate accuracy and total cost on your own sample.

Intelligence Index: 36.6 (2026-11-06) ↗Coding Index: 76.5 (2026-11-06) ↗Agentic Index: 55.5 (2026-11-06) ↗
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