AI Tool Profile

Muse Spark 1.3

Muse Spark 1.3 hosted multimodal model.

Before you buy

Best for: Creators building tool workflows who can budget reasoning tokens and inspect completed outputs.

Price: US/USD Standard API: US$1.25 input / US$4.25 output per million tokens

Included: Contributor variants list US$0.10 input and US$0.20 output per million, in exchange for training use of submitted content.

Main limits: At xhigh in the small coding test, all three attempts spent nearly the entire completion budget on reasoning and returned no visible artifact. Higher effort does not guarantee a finished job.

What Kingy showed: The September 2 OpenRouter test accepted 8/9 unambiguous workflow results for Spark 1.3 at high effort, versus 6/9 for 1.2 at xhigh. Spark 1.3 also passed 6/6 complex tool trials across high and xhigh.

Buying details checked 2026-10-22 with region and currency stated above. Historical demonstrations and the broader fact ledger keep their own dates.

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Review history
  1. Muse Spark 1.3 — Product event recorded

    Kingy published an approved update for a sourced product event.

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Which plan is worth considering

US/USD Standard API: US$1.25 input / US$4.25 output per million tokens. Contributor variants list US$0.10 input and US$0.20 output per million, in exchange for training use of submitted content.

Limits that affect the purchase

At xhigh in the small coding test, all three attempts spent nearly the entire completion budget on reasoning and returned no visible artifact. Higher effort does not guarantee a finished job. No ongoing free hosted entitlement is established for this route. API billing and account limits are separate from consumer chat or coding subscriptions.

What the existing demonstration shows

The September 2 OpenRouter test accepted 8/9 unambiguous workflow results for Spark 1.3 at high effort, versus 6/9 for 1.2 at xhigh. Spark 1.3 also passed 6/6 complex tool trials across high and xhigh. The combined 66 task trials and 216 successful API calls are shared study totals, not counts per model. Native Meta tariffs differ from historical OpenRouter bills. This describes the dated retained Kingy record, not a new product test. See the retained Kingy demonstration.

Sources and buying-review date

Buying details checked October 22, 2026. Plan research uses current official sources; demonstration descriptions use the retained Kingy record and any captured creator chapters. No new subscription, paid generation or checkout was performed. The buying-review date does not renew every claim in the broader facts ledger.

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Alternatives

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Launch History

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