# Muse topped iPhone App Store on October 15

*Technology. 20% certain. Sunday, 18 October 2026*

> Speculative fiction assembled from prediction-market prices. This has not happened.

**Muse Spark 1.4+ stayed unreleased and Fable 5.2+ is scheduled for October 21.**

On Thursday, October 15, the Muse App reached the number-one position in the iPhone App Store. The Muse Spark 1.4+ model had not been released as of Sunday, October 18. Google's Gemini Pro model also remained unreleased, with no launch scheduled before November 1. The upcoming Fable Model 5.2+ is set for release on October 21.

It placed Muse ahead of competing applications in the Store

As of Sunday, October 18, no Muse Spark 1.4+ version had been made available. The release was not expected before the end of October. The absence was noted alongside other pending AI updates.

Google had not launched a new Gemini Pro model by October 18. No release was scheduled before November 1. The delay kept the current version in use.

The next Fable Model 5.2+ is slated for October 21. The date was confirmed on Friday, October 16.

## What this was built from

- **When will the next Google Gemini Pro model be released?**: No release by November 1, 96%; settles Sunday, 18 October 2026 (polymarket). [Market](https://polymarket.com/event/when-will-the-next-google-gemini-pro-model-be-released-20260817144359068)
- **Next Fable Model (5.2+) released on...?**: October 21, 20%; settles Friday, 16 October 2026 (polymarket). [Market](https://polymarket.com/event/next-fable-model-5pt2-released-onptptpt-20261002)
- **Next Muse Spark Model (1.4+) released on...?**: No release by October 31, 97%; settles Sunday, 18 October 2026 (polymarket). [Market](https://polymarket.com/event/next-muse-spark-model-1pt4-released-onptptpt-20260922133617102)
- **Will Muse rank #1 in App Store (iPhone) on October 15th 2026**: Yes, 93%; settles Thursday, 15 October 2026 (manifold). [Market](https://manifold.markets/Mochi/will-muse-rank-1-in-app-store-iphon)