What this model error usually means
Arcee AI: Trinity Large Preview (free) returning 403 / model permission denied means you should first confirm whether model ID arcee-ai/trinity-large-preview:free is visible for this Arcee Ai key, then separate permission, context, capability, rate limit, or route issues.
- Model: arcee-ai/trinity-large-preview:free
- Provider: Arcee Ai
- Status code: 403