🎁 Trials (no card when possible) · no card · archived — vendor-announced shutdown on 2026-08-09 · ai21.com · back to the whole list
AI21’s Jamba models on a no-card trial credit — hybrid Mamba/attention models built for 256K-token context. The trial was AI21 Studio’s, and the vendor sunset Studio’s Jamba API on 2026-08-09
jamba-mini, jamba-large
Retired. The $10 no-card trial belonged to AI21 Studio, and Studio is gone: on 2026-09-05 every studio.ai21.com route landed on the www.ai21.com homepage, and the catalog route answered 410 This API has been retired. The AI21 Gateway is available at https://app.ai21.com. The vendor’s notice named the day: “On August 9, 2026, we will officially deprecate and sunset the following APIs in our platform: Jamba API, AI21 Maestro API, File library”. What stands at app.ai21.com is not a model API but a bring-your-own-key gateway in front of OpenAI and Anthropic, with nothing AI21-hosted or free to call
$10 credits for 7 days, No credit card needed, Jamba Mini2026-09-07 — Archived: vendor-announced shutdown on 2026-08-092026-08-14 — Added to the list: AI21’s Jamba models on a no-card trial credit — hybrid Mamba/attention models built for 256K-token context, so the trial is worth spending on a long file rather than on a chatGenerated from registry.yaml on 2026-09-18. No probe reads this row any more — it left the list for good unless a reviewer brings it back; the full list, the Atom feed and the machinery are at https://github.com/mvalentsev/awesome-free-ai-coding.