Models

muse-spark-1.1 vs muse-spark-1.2

Output tokens cost $4.68 per million on muse-spark-1.1 and $4.68 per million on muse-spark-1.2. Input tokens cost $1.38 per million on muse-spark-1.1 and $1.38 per million on muse-spark-1.2. Cached input tokens are billed at $1.38 per million on muse-spark-1.1 and $1.38 per million on muse-spark-1.2. Context lengths are 1,000,000 tokens on muse-spark-1.1 and 1,000,000 tokens on muse-spark-1.2. Time to first token (TTFT) measured on AIHubMix is 5.9s on muse-spark-1.1 and 5.4s on muse-spark-1.2. Measured output throughput is 183.7 tok/s on muse-spark-1.1 and 138.3 tok/s on muse-spark-1.2. On the LMArena coding leaderboard muse-spark-1.1 scores 1531 and muse-spark-1.2 scores 1533.

Metamuse-spark-1.1Metamuse-spark-1.2
Meta logo
muse-spark-1.1
Meta · text, image, audio, video → text

Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with a 1M-token context window.

Input$1.38 /M
Output$4.68 /M
Meta logo
muse-spark-1.2
Meta · text, image, audio, video → text

Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with a 1M-token context window.

Input$1.38 /M
Output$4.68 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

muse-spark-1.1
muse-spark-1.2
Input /M
$1.38
$1.38
Output /M
$4.68
$4.68
Cache read /M
$1.38
$1.38
Context length
1,000,000
1,000,000
Max output
0
0
Time to First Token
5.9 s
5.4 s
Throughput
183.7 tok/s
138.3 tok/s
Modalities
textimageaudiovideo
textimageaudiovideo
Supported Parameters
thinkingtools
thinkingtools
API Formats

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

muse-spark-1.1muse-spark-1.2

Tokens / day

-

Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

muse-spark-1.1muse-spark-1.2

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
muse-spark-1.1muse-spark-1.2
1420146015001540
Overall
14891498
Coding
15311533
Math
14881488
Hard prompts
15091512
Instruction following
14741479
Multi-turn
14971519
Creative writing
14461454
Longer query
14781500
Chinese
15311536
English
14901498
Vision
muse-spark-1.1muse-spark-1.2
12601280130013201340
Overall
12821290
OCR
12931299
Diagram
12991316
Homework
12791279
WebDev Arena
muse-spark-1.1muse-spark-1.2
150015401580
Overall
15351537
React
15291530
HTML
15351539
Gaming
15421572
Simulations
15191547
Data analytics
15171530

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

muse-spark-1.1
$153 /mo
muse-spark-1.2
$153 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: muse-spark-1.1, muse-spark-1.2?

muse-spark-1.1: $4.68/M output tokens; muse-spark-1.2: $4.68/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

muse-spark-1.2: 1533; muse-spark-1.1: 1531 (LMArena coding leaderboard).

Which responds faster?

muse-spark-1.2: 5.4s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

muse-spark-1.1 accepts 1,000,000 and muse-spark-1.2 accepts 1,000,000 input tokens.

Which one generates tokens faster?

muse-spark-1.1 at 183.7 tok/s and muse-spark-1.2 at 138.3 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

muse-spark-1.1 accepts text, image, audio and video input and supports thinking and tool calling; muse-spark-1.2 accepts text, image, audio and video input and supports thinking and tool calling.

Can I call muse-spark-1.1 and muse-spark-1.2 with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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