# Hy4 preview vs jev-1.13 - AI Model Comparison

- Page: https://opencode.ai/data/compare/tencent/hy4-preview/unknown/jev-1-13
- Updated: 2026-10-02T09:36:21.000Z

|  | Hy4 preview | jev-1.13 |
| --- | --- | --- |
| Lab | Tencent | Unknown |
| Context window | 1M | - |
| Max output | 64K | - |
| Input modalities | text | - |
| Reasoning | Yes | - |
| Tool calling | Yes | - |
| Open weights | Yes | - |
| Release date | 2026-08-28 | - |
| Input price per 1M tokens | $0.96 | - |
| Output price per 1M tokens | $2.88 | - |
| Cached input price per 1M tokens | $0.05 | - |
| OpenCode tokens: past 2 months | 320B | 15B |
| Share of all tokens | 0.0% | 0% |
| Rank by tokens last week | #32 | #35 |
| Unique users | 39K | 15K |
| Weekly retention | 54.9% | - |

Model pages: [Hy4 preview](https://opencode.ai/data/tencent/hy4-preview.md), [jev-1.13](https://opencode.ai/data/unknown/jev-1-13.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.