Migrating from muse-spark-1.2 to muse-spark-1.3
What changes when you move from muse-spark-1.2 to muse-spark-1.3: input price 0%, output price 0%.
- From
- muse-spark-1.2
- Status
- Active
- Shutdown
- none announced
- Time left
- —
- Status
- Active
- Shutdown
- none announced
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | muse-spark-1.2 | muse-spark-1.3 | Change |
|---|---|---|---|
| Input | $1.25first seen October 5, 2026 · source | $1.25first seen October 5, 2026 · source | 0% |
| Cached input | $0.15first seen October 5, 2026 · source | $0.15first seen October 5, 2026 · source | 0% |
| Output | $4.25first seen October 5, 2026 · source | $4.25first seen October 5, 2026 · source | 0% |
At 1M input and 250K output tokens a month: $2.3125 on muse-spark-1.2, $2.3125 on muse-spark-1.3 (0%).
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
TokensNeither company publishes a context window or output limit for these models.
Benchmarks
Same benchmark and source on both sides; settings named where they differ| Benchmark | muse-spark-1.2 | muse-spark-1.3 | Change |
|---|---|---|---|
| Arena TextArena, max effort (vs xhigh effort). | 1495 ±7 | 1494 ±6 | −1 within range |
| Arena Text: CodingArena, max effort (vs xhigh effort). | 1538 ±13 | 1537 ±9 | −1 within range |
Arena WebDevArena, max effort (vs xhigh effort). Ranges don't overlap.Other settings
| 1533 ±14 | 1659 ±8 | +126 |
Arena VisionArena, max effort (vs xhigh effort).Other settings
| 1293 ±14 | 1290 ±10 | −3 within range |
| Arena AgentArena, max effort (vs xhigh effort). Ranges don't overlap. | -0.065 ±0.008 | 0.036 ±0.008 | +0.101 |
A score from one source is never compared with another source's, and company-reported scores are compared only within the same company; settings named where they differ. Data: Arena (arena.ai), CC BY 4.0.
Features and parameters
Compare modelsNeither company publishes feature facts for these models.
Aliases
All aliasesNo aliases point at either model.
Checklist
- Change the model string from
muse-spark-1.2tomuse-spark-1.3.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: muse-spark-1.2, muse-spark-1.3.