SOURCE-LINKED INTELLIGENCE
DeepSeek: DeepSeek V4.1 Flash
OpenRouter model catalogue · model · Publication date unknown
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
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- recordType
- model-catalog
- evidenceStatus
- provider-reported
- region
- Global
Evidence & attribution
First collected: 2026-09-20T08:01:03.945Z. This is not the publication date.
Observed changes
AIIC observation times, not verified publisher revision times. Up to eight recent revisions.
2026-09-27T17:11:28.120Z
- pricing:
{"input":0.3,"output":1.2} → {"input":0.035,"output":0.29}
2026-09-26T17:02:25.186Z
- pricing:
{"input":0.075,"output":0.3} → {"input":0.3,"output":1.2}
2026-09-25T16:43:16.188Z
- pricing:
{"input":0.15,"output":0.6} → {"input":0.075,"output":0.3}
2026-09-24T16:33:37.154Z
- pricing:
{"input":0.09999999999999999,"output":0.5} → {"input":0.15,"output":0.6}
2026-09-23T16:31:38.658Z
- pricing:
{"input":0.15,"output":0.6} → {"input":0.09999999999999999,"output":0.5}
2026-09-22T16:21:35.584Z
- pricing:
{"input":0.3,"output":1.2} → {"input":0.15,"output":0.6}
2026-09-21T08:02:06.831Z
- pricing:
{"input":0.15,"output":0.6} → {"input":0.3,"output":1.2}