Predecessor snapshot
| Field | Muse Spark 1.2 |
|---|---|
| Release | 5 August 2026 |
| AA Intelligence Index | 57 (xhigh) |
| Standard input / 1M | $1.25 |
| Standard output / 1M | $4.25 |
| Weights | Promised; not released as of 3 September 2026 |
Moving to 1.3
The xhigh index rises from 57 to 61 without a change in standard token rates. The launch benchmark table also compares different effort tiers, so use that table separately from the xhigh-to-xhigh index comparison.
Ready to test the workflow?
Create account & add creditsA promise is not a downloadable checkpoint
Do not plan a self-hosted deployment until actual weights and their licence are available.
Frequently asked questions
How current is this information?
This page uses the supplied research snapshot dated 3 September 2026. Verify current access, pricing and provider terms before an evaluation.
Put Muse Spark 1.3 to work
Fund a controlled evaluation, send a reference frame or document, and measure quality and cost on your own workload.