# DeepSeek V4 Flash Vision Exp vs LongCat-2.5-Preview - AI Model Comparison

- Page: https://opencode.ai/data/compare/deepseek/deepseek-v4-flash-vision-exp/meituan/longcat-2-5-preview
- Updated: 2026-10-02T08:39:37.000Z

|  | DeepSeek V4 Flash Vision Exp | LongCat-2.5-Preview |
| --- | --- | --- |
| Lab | DeepSeek | Meituan |
| Context window | 1M | 1M |
| Max output | 384K | 131K |
| Input modalities | text, image | text, image |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Open weights | Yes | No |
| Release date | 2026-08-21 | 2026-09-25 |
| Input price per 1M tokens | $0.30 | $0.30 |
| Output price per 1M tokens | $1.20 | $1.20 |
| Cached input price per 1M tokens | $0.0060 | $0.0060 |
| OpenCode tokens: past 2 months | 8.5T | 2.6T |
| Share of all tokens | 0.9% | 0.3% |
| Rank by tokens last week | #11 | #7 |
| Unique users | 325K | 46K |
| Weekly retention | 63.6% | - |

Model pages: [DeepSeek V4 Flash Vision Exp](https://opencode.ai/data/deepseek/deepseek-v4-flash-vision-exp.md), [LongCat-2.5-Preview](https://opencode.ai/data/meituan/longcat-2-5-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.