# Qwen 3.8 Max Prime vs DeepSeek V4.1 Flash - AI Model Comparison

- Page: https://opencode.ai/data/compare/alibaba/qwen3-8-max-prime/deepseek/deepseek-v4-1-flash
- Updated: 2026-10-18T03:39:48.000Z

|  | Qwen 3.8 Max Prime | DeepSeek V4.1 Flash |
| --- | --- | --- |
| Lab | Alibaba | DeepSeek |
| Context window | 1M | 1M |
| Max output | 131K | 384K |
| Input modalities | text, image, video | text, image |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Open weights | No | Yes |
| Release date | 2026-09-23 | 2026-09-10 |
| Input price per 1M tokens | $4.00 | $0.30 |
| Output price per 1M tokens | $12.00 | $1.20 |
| Cached input price per 1M tokens | $0.50 | $0.0060 |
| OpenCode tokens: past 2 months | - | 265T |
| Share of all tokens | - | 26% |
| Rank by tokens last week | - | #1 |
| Unique users | - | 2.5M |
| Weekly retention | - | 64.2% |

Model pages: [Qwen 3.8 Max Prime](https://opencode.ai/data/alibaba/qwen3-8-max-prime.md), [DeepSeek V4.1 Flash](https://opencode.ai/data/deepseek/deepseek-v4-1-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.