Muse Spark 1.3 vs Claude Fable 5.1 (max with fallback)

Fable scores five points higher than Spark xhigh, while Spark has higher measured output speed.

Create account & add creditsRun this with Muse Spark 1.3

Last verified 3 September 2026.

Use Muse Spark 1.3 in 4 steps

Step 1 of 4

Try Muse Spark 1.3 in the OneInfer playground without writing code, or create an API key in the Console to call it from your app.

export ONEINFER_API_KEY="your-api-key"

Dated comparison: 3 September 2026

MetricMuse Spark 1.3 (xhigh)Claude Fable 5.1 (max with fallback)
AA Intelligence Index6166
Output tokens/s18662
WeightsClosedClosed

How to choose

Fallback-enabled evaluation is not the same configuration as a single-model request. Preserve that label when evaluating coding performance.

Ready to test the workflow?

Create account & add credits

Comparison limits

These figures come from the Artificial Analysis leaderboard and Meta's Muse Spark 1.3 launch post, as of 3 September 2026. They are not a OneInfer benchmark. Effort tiers are shown explicitly. Output speed does not measure full task completion time.

Frequently asked questions

How current is this information?

This page reflects sources checked on 3 September 2026. Verify current access, pricing and provider terms before an evaluation.

Put Muse Spark 1.3 to work

Fund a controlled evaluation, test it on your own inputs, and measure quality and cost on your workload.

Create account & add creditsRun this with Muse Spark 1.3