DeepSeek
DeepSeek V4.1 Flash
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the cost-efficient tier of the V4.1 family. DeepSeek reports that it exceeds V4 Pro on performance, speed, and task...
deepseek-v4.1-flashCatalog preview. Paid requests for this model are not enabled yet.
Pricing
~99.7%USD. No uRouter markup. Live prices can change.
- Input
- $0.000144 / 1,000,000 tokens
- Output
- $0.002736 / 1,000,000 tokens
- Cache read
- $0.000022 / 1,000,000 tokens
- Cache write
- $0.000144 / 1,000,000 tokens
Model details
- Input
- text, image
- Output
- text
- Context window
- 1,048,576 tokens
- Maximum output
- 384,000 tokens
- Availability
- $120.9Uncapped capacity
- Updated
- 11/8/2026, 1:28:53 AM UTC
Capacity is reserved when your request is accepted.
Price history
Observed best prices · Last 24 hours · UTC
$0.000144/ 1,000,000 tokens
Capabilities
chatstreamingvisiontoolsreasoningjson mode
Supported parameters
frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningreasoning_effortresponse_formatstoptemperaturetool_choicetoolstop_logprobstop_pListed capabilities describe the model. uRouter execution support is verified separately.