LocalAI vs Text Generation WebUI: which one to choose in 2026?
Both are open source alternatives to OpenAI API. We compare license, tech stack and features to help you decide which fits your team best.
| LocalAI | Text Generation WebUI | |
|---|---|---|
| Category | Artificial Intelligence | Artificial Intelligence |
| License | MIT | AGPL-3.0 |
| GitHub stars | 26k | 42k |
| Tech stack | Go, C++ | Python, PyTorch |
| Replaces | OpenAI API | OpenAI API |
Text Generation WebUI has more GitHub stars, which usually indicates a larger community (not necessarily that it's the best option for your use case).
LocalAI
OpenAI-compatible API running local models, no per-token cost.
Pros
- Near-direct migration from code already using the OpenAI API
Things to consider
- Needs decent hardware (ideally a GPU) for large models
Text Generation WebUI
Advanced interface for local text models, an alternative to the OpenAI API.
Pros
- Very flexible for experimenting with different model formats
Things to consider
- Requires a powerful GPU for the largest models
Key features
LocalAI
- API compatible with the OpenAI SDK
- Chat, images, embeddings and audio
- Runs GGUF, GGML and more model formats
Text Generation WebUI
- Supports multiple backends (llama.cpp, ExLlama, Transformers)
- Community extensions
- OpenAI-compatible API