# LongCat-2.0 vs Hy4 preview - AI Model Comparison

- Page: https://opencode.ai/data/compare/meituan/longcat-2-0/tencent/hy4-preview
- Updated: 2026-10-02T09:36:21.000Z

|  | LongCat-2.0 | Hy4 preview |
| --- | --- | --- |
| Lab | Meituan | Tencent |
| Context window | 1M | 1M |
| Max output | 131K | 64K |
| Input modalities | text | text |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Open weights | No | Yes |
| Release date | 2026-06-30 | 2026-08-28 |
| Input price per 1M tokens | $0.30 | $0.96 |
| Output price per 1M tokens | $1.20 | $2.88 |
| Cached input price per 1M tokens | $0.0060 | $0.05 |
| OpenCode tokens: past 2 months | 553B | 320B |
| Share of all tokens | 0.1% | 0.0% |
| Rank by tokens last week | #28 | #32 |
| Unique users | 46K | 39K |
| Weekly retention | 65.5% | 54.9% |

Model pages: [LongCat-2.0](https://opencode.ai/data/meituan/longcat-2-0.md), [Hy4 preview](https://opencode.ai/data/tencent/hy4-preview.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.