DeepSeek V4.1 Flash
What the vendor claims, next to what independent boards measured. The two are never mixed in one column.
At a glance
- Maker
- DeepSeek
- Price per 1M tokens
- $0.003 in · $2.4 out
- Context window
- 1.05M
- Input → output
- text, image → text
- Added to OpenRouter
- Sep 10, 2026
Source: OpenRouter, as of Oct 5, 03:00 UTC. Model page on OpenRouter
What the vendor claims
Quoted word for word from the vendor's own launch post or model card. Claims, not measurements.
No vendor claims recorded yet. They come from launch posts and model cards the Drops covered.
Independent results
Measured by Epoch AI or LMArena, not by the vendor. "Listed as" is the source's own name for the model, so you can check our match.
| Board | Result | Rank |
|---|---|---|
| Epoch AI · Epoch Capabilities IndexListed as: DeepSeek V4.1 FlashSource: Epoch AI (CC BY), as of Oct 5, 2026. Source | 155Index | 29 |
| LMArena · AgentListed as: Deepseek V4.1 Flash (Max)LMArena (CC BY 4.0), as of Oct 2, 2026. Source | 0.0402Score | 17 |
In the Drops
No Drop has covered this model yet.