Ai21
1 model from Ai21 ranked on LMRank.
| Model | Tags | Context | Price (in / out) |
|---|---|---|---|
| Jamba Large 1.7 |
Intelligent
Long Context
|
256,000 | $2.00 / $8.00 |
Ai21 model lineup
LMRank currently tracks 1 active model from Ai21. The strongest model is Jamba Large 1.7. Listed input prices range from $2.00 to $2.00 per million tokens; output prices range from $8.00 to $8.00.
Use the table to compare context windows, tags, and API prices. Open a model page for source links, benchmark context, limitations, and direct comparisons with alternatives.
In Depth: Ai21
About Ai21
AI21 Labs is a Tel Aviv and New York-based AI company that specializes in efficient large language models and AI writing tools, leading with its hybrid Jamba architecture and the widely used Wordtune assistant.
AI21 Labs releases models on an irregular cadence, with the Jamba series offered as open weights under Apache 2.0 and the older Jurassic-2 series available only via API. The company balances open-source contributions with commercial enterprise offerings through AI21 Studio, targeting developers and businesses needing long-context handling.
Model Lineup
On LMRank, AI21 Labs currently lists one active ranked model: the Jamba Large 1.7, scoring 8.2/10 and holding the #55 spot. This model represents the lab's top performer on our platform.
The lab’s lineup spans three tiers: the open-weight Jamba 1.5 series (Mini and Large) with 256K context and hybrid architecture; the older Jamba (52B parameters, 12B active at inference); and the commercial Jurassic-2 series (Mid, Ultra, Grand) for enterprise API access. Wordtune is a separate writing tool.
Pricing & Access
AI21 Labs’ models range from free open weights (Jamba series on Hugging Face) to usage-based API pricing for Jurassic-2 and custom enterprise solutions via AI21 Studio. Pricing for enterprise tiers is not publicly disclosed.
Compared to competitors like OpenAI and Anthropic, AI21 Labs offers a lower-cost entry through its open-weight Jamba models, which provide 256K context at no charge. API access for Jurassic-2 follows standard consumption models, but enterprise buyers should expect opaque pricing negotiations.
Best For & When to Look Elsewhere
AI21 Labs is best for teams needing efficient long-context processing and open-weight flexibility, but less suitable for tasks requiring multimodal inputs or a broad ecosystem of integrated tools.
- Long-document analysis and summarization
- Cost-sensitive deployments needing open weights
- Avoid for multimodal or image-generation tasks