Muse Spark is a natively multimodal reasoning model with support for tool-use, visual chain of thought, and multi-agent orchestration.
Specification
most-agreed values
Context
1M
Max output
131K
Released
2026-04-08
Knowledge cutoff
—
Retires
—
Open weights
no
Input
text, image, video, audio
Output
text
Price
US dollars per million tokens · most-agreed
Input
$1.25
Output
$4.25
Cache read
$0.15
Cache write
$1.25
Quality
2 benchmarks · 2 sources
Composite
83rd
percentile of 334 scored models
Rank
58 / 334
±0.23 sd
Evidence
2 × 2
one source, or fewer than 3 benchmarks
Effort range
—
one configuration only
knowledge82nd1/1 bench
general50th1/1 bench
Every score
one row per source and configuration — nothing averaged away
| Benchmark | Score | Configuration | Source | Run |
|---|---|---|---|---|
| SimpleQA Verified | 57.8 ±1.6 | default | Epoch AI | 2026-08-31 |
| LiveBench | 76.0 | xhigh · 23 runs | LiveBench | 2026-06-25 |
The leading figure for a benchmark is the median across its configurations, so one heroic high-effort run cannot set the number.
Available from 12 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| abacus | $1.25 | $4.25 | $0.15 | — | 1M | 32K | — |
| empiriolabs | $1.25 | $4.25 | $1.00 | — | 1M | 131K | — |
| kilo | $1.25 | $4.25 | $0.15 | — | 1M | 944K | — |
| llmgateway | $1.25 | $4.25 | $0.15 | — | 1M | 131K | — |
| llmgateway-providers | $1.25 | $4.25 | $0.15 | — | 1M | 131K | — |
| merge-gateway | $1.25 | $4.25 | $0.15 | — | 1M | 262K | — |
| meta | $1.25 | $4.25 | $0.15 | — | 1M | 131K | — |
| nano-gpt | $1.25 | $4.25 | $0.15 | — | 1M | 66K | — |
| openrouter | $1.25 | $4.25 | $0.15 | — | 1M | 944K | — |
| orcarouter | $1.25 | $4.25 | $0.15 | — | 1M | 131K | — |
| pioneer | $1.25 | $4.25 | $0.15 | $1.25 | 1M | 131K | — |
| vercel | $1.25 | $4.25 | $0.15 | — | 1M | 1M | — |
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