#45 Muse Spark 1.2
high- Cost
- $0.057
- Time
- 34.7s
- Tokens
- 13,356 tok
Meta
Release: 2026-08-06
Tested on: 2026-08-14 03:32
meta/muse-spark-1.2::high
~1T total (~50B active)MoEClosedEstimated
Summary
Muse Spark 1.2 scores 8.7 on AI BENCHY and ranks #45. It has 9.9 reliability, a 74.2% pass rate, $1.771 total cost, and 26.59s average response time.
What makes Muse Spark 1.2 unique: It uses unusually many reasoning tokens, which can help explain its slower or more expensive runs.
Model facts
Researched on 2026-08-12
- 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; promised weights were not public at research time.
8.7
Consistency
8.3
9.9
$1.771
Total Output Tokens
382,087
Total Input Tokens
117,037
Input Price
$1.250 / 1M
Output Price
$4.250 / 1M
Flaky tests
5
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-08-14 03:32 Re-test | 8.7 | 9.9 | $1.771 | Current run | |
| 2026-08-05 23:33 Initial run | 8.8 | 9.8 | $1.632 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-14 03:32 · Current run | 66/66 attempts | 8.7 | 8.3 | 9.9 | 14/22 | 5 | 382,087 | 117,037 | $1.771 | 26.59s |
| 2026-08-05 23:33 · Initial run | 66/66 attempts | 8.8 | 8.7 | 9.8 | 15/22 | 4 | 349,571 | 117,028 | $1.632 | 23.99s |
| Difference | — | -0.1 | -0.4 | +0.1 | -1 | +1 | +32516 | +9 | +$0.139 | +2600ms |
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 |
|---|---|---|
| 2026-08-14 12:51 | $1.250 / 1M | $4.250 / 1M |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 7.1 | 8.4 | |
| Coding | 10.0 | 10.0 | |
| Combined | 8.0 | 6.9 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 4.1 | 4.4 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 8.2 | 7.7 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |