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SprongMotion-14M local guide

Compact Apache-2.0 text-to-motion model that generates 3D human skeleton animation and BVH files locally on a CPU.

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Official example

Play the official source preview directly below. The media stays on the official publisher server and is never hosted by LocalClaw.

What it does

Text To MotionCharacter AnimationMotion Generation

The official 33.3 MB GGUF contains a 13.8M-parameter motion generator and its text encoder and tokenizer, totaling 20.0M parameters. Build the C11 runtime with make build/examples/01_hello, download SprongMotion-14M-v1.0-Q8_0.gguf, and pass the model path, English prompt and output BVH path to that executable. Upstream documents macOS arm64, Linux x86-64, Windows x86-64 through MinGW-w64, and WebAssembly. A LocalClaw macOS CPU smoke test on 2026-10-23 verified the published SHA-256 and exported 80 frames at 20 fps with about 40 MB peak resident memory. The 4 GB RAM entry is a conservative whole-system recommendation, not an upstream measured minimum; no dedicated VRAM is required.

Hardware figures are practical entry floors, not performance guarantees. Resolution, duration, precision, offloading and runtime versions can materially change memory use.

Strengths

  • Canonical downloadable model and dependency-free C11 runtime under Apache 2.0
  • CPU-only local inference with BVH export verified on macOS
  • Supports motion editing, looping, prompt timelines and root-path control

Limits to know

  • English prompts and a fixed 22-joint skeleton without fingers
  • Individual clips are limited to 0.5-10 seconds; longer motion uses multiple prompt blocks
  • Produces skeletal motion, not meshes or automatic skinning; Linux, Windows and browser support are upstream documented rather than locally tested