# Hy4 preview vs iceman-contributor - AI Model Comparison

- Page: https://opencode.ai/data/compare/tencent/hy4-preview/unknown/iceman-contributor
- Updated: 2026-10-26T19:38:44.000Z

|  | Hy4 preview | iceman-contributor |
| --- | --- | --- |
| 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 | $0.75 | - |
| Output price per 1M tokens | $2.25 | - |
| Cached input price per 1M tokens | $0.04 | - |
| OpenCode tokens: past 2 months | 305B | 8.3B |
| Share of all tokens | 0.0% | 0% |
| Rank by tokens last week | #38 | #41 |
| Unique users | 53K | 3.5K |
| Weekly retention | 51.2% | - |

Model pages: [Hy4 preview](https://opencode.ai/data/tencent/hy4-preview.md), [iceman-contributor](https://opencode.ai/data/unknown/iceman-contributor.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.