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AI21 Labs — free tier setup
What you get free
Expiring signup credits for the Jamba model family — not an ongoing free tier. Per the catalog: "Credits: $10 for 3 months — Models: Jamba family of models (cheahjs). Free-LLM: '$10 credit | Credit-based | 3 months | Jamba models'." Category: trial_credit. The gotcha: the credits expire after 3 months whether you use them or not, and the credit amount is a seed-repo figure not restated on the official pages fetched — verify the balance in Studio after signup.
Friction check
| Credit card | unknown |
| Phone verification | unknown |
| Org/membership | none |
| Est. time to first key | ~5m (signup + key) |
| Trains on your prompts | unknown |
The rest of this guide — the key-obtain walkthrough, first request, the limits that will bite you, and the rotation runbook — ships with the Indie field library. What you’ve read above is the real first section, not a blurred preview; the remainder simply isn’t in this page.