Muse Spark 1.1

meta/muse-spark-1.1

agentic performance, tool use, and computer use.

cmd --model meta/muse-spark-1.1
Intelligence index
33.7
Coding index
71.3
Input
$1.25 /M
Output
$4.25 /M
Cache read
$0.15 /M
Agent-loop cost
$0.48 /M in
Context window
1.05M tokens
Released
July 9, 2026
Modalities
→

vs. the lineup

Muse Spark 1.1 beside its stablemates and nearest rivals. The ◆ marks the best value in each column across every row shown.

pin a rival:
ModelIntelligenceCodingInput $/MOutput $/MBlended $/MContext
Muse Spark 1.348.1◆75.8◆$1.25$4.25$21.05M◆
MiMo V2.6 Pro46.3—$0.43$0.87$0.541.05M◆
Muse Spark 1.239.672.2$1.25$4.25$21.05M◆
Muse Spark 1.1 ◆33.771.3$1.25$4.25$21.05M◆
Muse Spark 1.2 Contributor——$0.10◆$0.20◆$0.13◆1.05M◆
Muse Spark 1.3 Contributor——$0.10◆$0.20◆$0.13◆1.05M◆
DeepSeek V4 Pro (latest)pinned3668.8$0.66$1.98$0.991M
DeepSeek V4 Flash (latest)pinned3469.1$0.15$0.60$0.261M

coding performance

The Intelligence Index and its sub-scores, ranked against every scored model in the catalog. A metric that has not been measured for Muse Spark 1.1 has been left empty.

Coding Index
71.3
#23 of 52 scored
Terminal-Bench
77.9
#29 of 52 scored
Intelligence Index
33.7
#40 of 68 scored
Long-context reasoning
77.7
reasoning across a long context
SciCode
58.8
scientific coding
GPQA Diamond
89.8
graduate-level QA

usage calculator

How far a month of credits goes on Muse Spark 1.1.

Muse Spark 1.1 runs on Pro and up — from $20/mo.
Input tokensfresh prompt
800
Output tokensmodel reply
180
Cache read tokensre-read context
50K
cost / request $0.0093 · in $1.25 · out $4.25 · cache $0.15 per M
fresh input 11%output 8%cache reads 81%
Requests / 30 days
2.2K
$20 credits ÷ $0.0093 per request
~432 quick fixes~86 bug fixes~14 feature PRs

what real work costs

Real coding tasks priced end to end on Muse Spark 1.1, from a quick lookup to a full-repo agent run.

One agent task
$0.13
180K in at 75% cache hit, 12K out
What you pay
$0.66 /M
all-in across every token that task touched
Sticker input
$1.25 /M
cache reads bill at $0.15 /M instead
TaskTokens in · outMuse Spark 1.1MiMo V2.6 ProClaude Haiku 4.5
Quick lookup / one-liner8K · 1K$0.0063$0.0012$0.0065
Review a 500-line PR60K · 4K$0.05$0.01$0.04
Fix a bug (agent loop)180K · 12K$0.13$0.03$0.12
Refactor a module320K · 20K$0.23$0.06$0.21
Full-repo agent run900K · 45K$0.54$0.13$0.49

frequently asked

How much does Muse Spark 1.1 cost?
$1.25/M input and $4.25/M output, cache reads $0.15/M. In an agent loop most input is cache-read, so the effective input rate is about $0.48/M.
Which plan do I need?
Available on Pro and above.
How do I switch to it?
Run cmd --model meta/muse-spark-1.1, or type /model in a session and pick it. You can switch mid-session without losing context.

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Benchmarks from Artificial Analysis (v4.3)commandcode.ai/models/muse-spark-1-1