# AI21 AI Model Usage & Rankings | OpenCode Data

- Page: https://opencode.ai/data/ai21
- JSON: https://opencode.ai/data/ai21.json

## AI21 models

| Model | Tokens: past 2 months | Share of lab usage | Context window | Max output | Release date |
| --- | --- | --- | --- | --- | --- |
| [Jamba Mini](https://opencode.ai/data/ai21/jamba-mini.md) | - | - | 256K | 4.1K | 2026-01-01 |
| [Jamba Large](https://opencode.ai/data/ai21/jamba-large.md) | - | - | 256K | 4.1K | 2025-07-01 |

## Methodology

- Updates: Aggregated every hour. Days and weeks use UTC.
- Tokens: Input, output, reasoning, and cached tokens for each request.
- Users and sessions: Approximate counts of distinct users and OpenCode sessions.
- Cost: Session cost is the average cost per OpenCode session. Token prices are list prices from the OpenCode model catalog.
- Retention: The share of a model's users in one week who use it again the next week.
- Citation: Cite OpenCode Data (opencode.ai/data) with the update time shown at the top of the page.