Last Video Labs relies on third-party software and services. This page gathers the corresponding attributions and licenses.
FFmpeg
Video assembly is handled by FFmpeg, distributed alongside the application as a separate binary. FFmpeg is free software under the GPL/LGPL license; the distributed build comes from gyan.dev. FFmpeg's source code is available at git.ffmpeg.org. FFmpeg is a trademark of Fabrice Bellard.
Stock footage banks
Pexels — clips are used in accordance with the Pexels license (commercial use allowed, no attribution required).
Pixabay — clips are used in accordance with the Pixabay license (commercial use allowed, no attribution required).
The user remains responsible for complying with these licenses in their own publications (in particular restrictions on reselling unmodified content or featuring recognizable people in certain contexts).
Local AI models and engines (local mode, NVIDIA RTX cards)
In local mode, models are downloaded once from their public repositories and then run on the user's graphics card. Each remains subject to its original license:
Qwen3-VL Instruct (official Qwen GGUF) — script, scene breakdown and visual shot checking, Apache 2.0 license (8B Q8 from 16 GB, 8B Q4 from 7.5 GB, 4B Q4 below)
Wan 2.2 TI2V 5B (Alibaba Wan, GGUF quantization by QuantStack) — video generation, Apache 2.0 license
UMT5-XXL (GGUF quantization by city96) — Wan text encoder, Apache 2.0 license
TAEW2.2 (madebyollin) — lightweight video decoder, MIT license
faster-whisper — word-level caption timing, MIT license
llama.cpp and stable-diffusion.cpp — local inference engines, MIT license
AI services
Anthropic (Claude) — text generation, via the user's own API key: Anthropic's terms
Moonshot AI (Kimi K3) — text generation, via the user's own API key: Moonshot's terms
RunPod Serverless — on-demand cloud GPU (FLUX Schnell, Wan 2.6, Hailuo 02, Pruna Fast) via the user's own API key: RunPod's terms
Microsoft Edge TTS — free voice synthesis
MiniMax — HD voice synthesis (Speech 02) via the user's own API key: MiniMax's terms
ElevenLabs (optional) — voice synthesis via the user's own key: ElevenLabs' terms
Software libraries
The application notably embeds: Python, FastAPI, Uvicorn, Pillow, Requests, edge-tts, pywebview — each under its own open-source license (MIT, BSD, Apache 2.0…).