AI21 Labs

NLP + hybrid Mamba-Transformer (Jamba) long-context enterprise models API sunset

API sunset — served via marketplaces. This lab retired its first-party API (Aug 2026); its models remain available via AWS Bedrock and OpenRouter, so the database carries no first-party price for them.

Lab facts
Founded	2017
Headquarters	Tel Aviv, Israel
Founders	Yoav Shoham, Ori Goshen, Amnon Shashua
Focus	NLP + hybrid Mamba-Transformer (Jamba) long-context enterprise models
Official site	https://www.ai21.com
Data verified	Oct 14, 2026

0.0Club Score (#14)

Jamba Large 1.7Best model (0)

2Models tracked (squad)

Jamba Large 1.7Latest release (Jan 15, 2026)

100%Open-weight share (Fully open)

Models & league positions

Models by AI21 Labs
Model	Score	Overall	Coding	Reasoning	Value	Open-Wt	Context	$/1M in	$/1M out	Released
Jamba Large 1.7	0	#40	—	—	—	#16	256K	—	—	Jan 15, 2026
Jamba Mini 2	—	—	—	—	—	—	256K	—	—	Jan 15, 2026

Latest releases

Oct 14, 2026: Jamba Large 1.7 — Jamba Large 1.7 (AI21 Labs) added to the database — released 2026-01-15. Added to database
Oct 14, 2026: Jamba Mini 2 — Jamba Mini 2 (AI21 Labs) added to the database — released 2026-01-15. Added to database
Aug 9, 2026: AI21 — AI21 sunsets its first-party Jamba API — AI21 shut down the first-party Jamba API and AI21 Studio on 9 Aug 2026. The Jamba models live on via cloud marketplaces (AWS Bedrock, OpenRouter) — which is why this lab carries no first-party price in our database. Research
Jan 15, 2026: Jamba Large 1.7 — Released — 256K context, League Score 0. Model release
Jan 15, 2026: Jamba Mini 2 — Released — 256K context. Model release

All releases from this lab →

Research highlights

AI21 sunsets its first-party Jamba API

Aug 9, 2026

AI21 shut down the first-party Jamba API and AI21 Studio on 9 Aug 2026. The Jamba models live on via cloud marketplaces (AWS Bedrock, OpenRouter) — which is why this lab carries no first-party price in our database.

Source: AI21 deprecation notice, via docs.ai21.com

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Sources

AI21 Labs — Wikipedia