What this model error usually means
AI21: Jamba Large 1.7 returning 403 / model permission denied means you should first confirm whether model ID ai21/jamba-large-1.7 is visible for this AI21 key, then separate permission, context, capability, rate limit, or route issues.
- Model: ai21/jamba-large-1.7
- Provider: AI21
- Status code: 403