# AI21 Labs

> 3 models buried in the AI21 Labs plot.

- [Jurassic-2 Ultra](https://models.rip/j2-ultra/epitaph) — `ai21.j2-ultra-v1` · 2023-03-09 — 2025-03-12
- [Jamba-Instruct](https://models.rip/jamba-instruct/epitaph) — `ai21.jamba-instruct-v1:0` · 2024-06-25 — 2025-08-01
- [Jamba 1.5 Large](https://models.rip/jamba-1-5-large/epitaph) — `ai21.jamba-1-5-large-v1:0` · 2024-08-22 — still running

## Elsewhere

- [The whole cemetery](https://models.rip/)
- [The dataset](https://models.rip/graveyard.json)