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reports/ltx-2.3.md
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| model | Lightricks LTX-2.3 22B distilled 1.1 (~19B = 14B video + 5B audio dual-stream DiT; "22B" is marketing) + spatial upscaler x2 |
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| pipeline | vendor `DistilledPipeline` (
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| config | `fp8-cast` (bf16 checkpoint downcast on the fly — the consumer path; fp8-scaled-mm is Hopper-only) · offload none · default tiled VAE · SDPA (no flash-attn) |
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| text encoder | Gemma-3-12B-it QAT q4_0 unquantized (gated) |
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| hardware | RTX 5090 32GB (sm_120), torch 2.10+cu128, native github.com/Lightricks/LTX-2 repo, `uv sync --frozen` |
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| model | Lightricks LTX-2.3 22B distilled 1.1 (~19B = 14B video + 5B audio dual-stream DiT; "22B" is marketing) + spatial upscaler x2 |
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| pipeline | vendor `DistilledPipeline` (two-stage: 8 steps at half resolution, then a 2× upsample + 3 refine steps as measured; vendor materials describe it as 8+4) |
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| config | `fp8-cast` (bf16 checkpoint downcast on the fly — the consumer path; fp8-scaled-mm is Hopper-only) · offload none · default tiled VAE · SDPA (no flash-attn) |
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| text encoder | Gemma-3-12B-it QAT q4_0 unquantized (gated) |
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| hardware | RTX 5090 32GB (sm_120), torch 2.10+cu128, native github.com/Lightricks/LTX-2 repo, `uv sync --frozen` |
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