Big-AGI
Open-source web AI workbench for power users.
Big-AGI's OpenAI vendor accepts a custom API endpoint. Drop FreeTheAi in and Big-AGI auto-fetches /v1/models.
Chat completions Streaming Tool calling
Connect Big-AGI to FreeTheAi.
3 steps
- 1
Open Models
Click `Models` and `Add a model source`. Pick `OpenAI`.
- 2
Fill the source
Use these values.
text API Key: PASTE_YOUR_FREETHEAI_KEY API Endpoint: https://api.freetheai.xyz/v1 - 3
Refresh models
Click the `Models` button to refresh the list. Big-AGI calls /v1/models and pulls in the FreeTheAi catalog.
Models that pair well with Big-AGI.
glm/glm-5.1bbl/gpt-5.5-miniolm/deepseek-v4-pro
See the full live catalog at /models. Aliases are stable; pricing on the free tier stays $0.
Common gotchas.
- Leave Helicone Key blank. Adding it forces the host to a different domain.
- Disable the `Moderation` toggle. FreeTheAi does not expose a moderation endpoint.