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#53

Muse Spark 1.1

Meta Release: 2026-07-16 Tested on: 2026-10-01 03:03 meta/muse-spark-1.1::medium
~1T total (~50B active)MoEClosedEstimated
(high) (medium) (low)

Summary

Muse Spark 1.1 scores 8.9 on AI BENCHY and ranks #53. It has 10.0 reliability, a 73.9% pass rate, $1.665 total cost, and 27.02s average response time.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~1T total (~50B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. API-only exact checkpoint; vendor does not disclose counts.

Parameter source Availability source

Score

8.9

Consistency

9.3

Reliability

10.0

Total Cost (Current Price)

$1.665

Total Output Tokens

301,719

Total Input Tokens

305,707

Input Price

$1.250 / 1M

Output Price

$4.250 / 1M

Cache Read Price

$0.150 / 1M

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 7

Attempt pass rate: 73.9%

Flaky tests

2

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

27.02s

Response Time (max): 165.38s

Response Time (total): 621.38s

Wrong answer: 4 Did not follow instructions: 2 Invalid tool call: 1

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#53 Muse Spark 1.1

medium
Cost
$0.024
Time
29.2s
Tokens
5,774 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 03:03 Re-test 8.9 10.0 $1.665 Current run
2026-07-16 23:38 New test added 8.6 10.0 $1.357 Compare
2026-07-16 18:36 Initial run 8.9 10.0 $1.152 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Run comparison

RunBenchmark coverageScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-10-01 03:03 · Current run69/69 attempts8.99.310.016/232301,719305,707$1.66527.02s
2026-07-16 23:38 · New test added66/66 attempts8.69.210.015/222277,130142,567$1.35724.97s
Difference—+0.2+0.10.0+10+24589+163140+$0.309+2048ms

Benchmark coverage differs: 69/69 attempts (Target: 3 repeats per test) versus 66/66 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.

These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-08-14 12:51 $1.250 / 1M $4.250 / 1M N/A N/A
2026-10-01 18:33 $1.250 / 1M $4.250 / 1M $0.150 / 1M N/A

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Agentic 10.0 10.0
Anti-AI Tricks 10.0 10.0
Coding 10.0 10.0
Combined 8.3 10.0
Data parsing and extraction 10.0 10.0
Domain specific 3.5 4.4
General Intelligence 10.0 10.0
Instructions following 6.5 10.0
Puzzle Solving 7.9 9.9
Tool Calling 9.8 10.0
Trivia 3.0 10.0

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