DeepSeek-V4.1-Flash / Chat
Lightweight flagship of DeepSeek's new Causal Encoder-Decoder family. 552B-parameter MoE with asymmetric activation—8B for input, 16B for output—delivering flagship-level intelligence at significantly lower inference cost . Native multimodal vision understanding. 1M-token context window with 384K max output. KV cache compressed to 1/4 HBM and 1/8 SSD of previous generation . Outperforms V4-Pro on Terminal-Bench 2.1 (90.6), DeepSWE v1.1 (74.2), and CyberGym (88.1)
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Pricing Details
The actual billing for this model is dynamically calculated based on the specific parameters passed in your API request. Below are the specific combinations and their corresponding pricing:
- For requests made on weekdays (Mon-Fri) during 09:00 - 12:00, 14:00 - 18:00 (UTC+8), a pricing multiplier of 2x is applied.
| Modality | Input Credits | Output Credits | Input Price | Output Price | Implicit Cache Hit | Explicit Cache Hit | Cache Creation |
|---|---|---|---|---|---|---|---|
| Standard | 150/ 1M Tokens | 600/ 1M Tokens | $0.150 | $0.600 | $0.003 3/ 1M Tokens | $0.003 3/ 1M Tokens | -- |
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