Looks like a v0.dev competitor.

Announcement: https://github.blog/changelog/2025-07-23-github-spark-in-pub...

Post from Satya with video: https://x.com/satyanadella/status/1948101877486452897

Copilot Pro+ plan quotas according to https://github.com/github-spark/pro-plus:

- Up to 375 Spark messages included per month

- The option to purchase more Spark messages as you go

- 10 active app building sessions at a time

- Build an unlimited number of apps

- Unlimited manual edits

1 message consumes 4 premium requests.