Muse Spark (description: https://ai.meta.com/blog/introducing-muse-spark-msl/) is Meta’s proprietary model available in apps and in meta.ai.

Multimodal and with reasoning and web search, it generates text, code, images and videos.

Images in 3 formats, animation from an instruction with the addition of music (very extensive catalog, rights not specified).
Hosting of the generated code files.

Free and unlimited.

“Multiplication Farm” game: https://embed.fbsbx.com/playables/view/3052685968274769/?ext=1783717157&hash=Q92gDAEbeInESA01zvkFwmpVUH49

“Realistic Flight” Game: https://embed.fbsbx.com/playables/view/2178817062855576/?ext=1783717501&hash=Q92gDAFUfEvI31YBqHXrb5u4dP6G