# Jamba Mini vs GLM-4.5-Flash - AI Model Comparison

- Page: https://opencode.ai/data/compare/ai21/jamba-mini/zhipuai/glm-4-5-flash
- Updated: 2026-09-20T17:30:33.000Z

|  | Jamba Mini | GLM-4.5-Flash |
| --- | --- | --- |
| Lab | AI21 | Zhipu |
| Context window | 256K | 131K |
| Max output | 4.1K | 98K |
| Input modalities | text | text |
| Reasoning | No | Yes |
| Tool calling | Yes | Yes |
| Open weights | Yes | No |
| Release date | 2026-01-01 | 2025-07-28 |
| Input price per 1M tokens | $0.20 | $0.00 |
| Output price per 1M tokens | $0.40 | $0.00 |
| Cached input price per 1M tokens | - | $0.00 |
| OpenCode tokens: past 2 months | - | 0 |
| Share of all tokens | - | 0% |
| Rank by tokens last week | - | - |
| Unique users | - | 0 |
| Weekly retention | - | - |

Model pages: [Jamba Mini](https://opencode.ai/data/ai21/jamba-mini.md), [GLM-4.5-Flash](https://opencode.ai/data/zhipuai/glm-4-5-flash.md)

## 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.