LTX-2.3 (video + audio)
The only local model anywhere that generates video WITH synchronized sound. 4-bit MLX port. Its pipeline pulls the full 56 GB weight set and wants real memory headroom — a 32 GB+ Mac.
What it costs
Free — downloads once, then runs on your own Mac with no per-image cost.
Where it runs
Downloads once and runs on your own Mac — no key, no account, no per-image cost.
Licence: LTX Community · free < $10M revenue