Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows.
Specification
most-agreed values
Context
1M
Max output
131K
Released
2026-08-05
Knowledge cutoff
—
Retires
—
Open weights
no
Input
text, image, video, pdf, audio
Output
text
Price
US dollars per million tokens · most-agreed
Input
$1.25
Output
$4.25
Cache read
$0.15
Quality
2 benchmarks · 2 sources
Composite
90th
percentile of 334 scored models
Rank
35 / 334
±0.23 sd
Evidence
2 × 2
one source, or fewer than 3 benchmarks
Effort range
—
one configuration only
knowledge85th1/1 bench
general77th1/1 bench
Every score
one row per source and configuration — nothing averaged away
| Benchmark | Score | Configuration | Source | Run |
|---|---|---|---|---|
| SimpleQA Verified | 60.3 ±1.6 | xhigh | Epoch AI | 2026-08-27 |
| LiveBench | 78.9 | 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 13 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| abacus | $1.25 | $4.25 | $0.15 | — | 1M | 131K | — |
| 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 | — |
| opencode | $1.25 | $4.25 | $0.15 | — | 1M | 131K | — |
| openrouter | $1.25 | $4.25 | $0.15 | — | 1M | 944K | — |
| opper | $1.25 | $4.25 | $0.15 | — | 1M | 131K | — |
| orcarouter | $1.25 | $4.25 | $0.15 | — | 1M | 131K | — |
| vercel | $1.25 | $4.25 | $0.15 | — | 1M | 1M | — |
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