DeepSeek
DeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
deepseek-v4.1-flash-1017Catalog preview. Paid requests for this model are not enabled yet.
Pricing
~90%USD. No uRouter markup. Live prices can change.
- Input
- $0.015 / 1,000,000 tokens
- Output
- $0.06 / 1,000,000 tokens
- Cache read
- $0.0003 / 1,000,000 tokens
- Cache write
- $0.015 / 1,000,000 tokens
Model details
- Input
- text, image
- Output
- text
- Context window
- 1,048,576 tokens
- Maximum output
- 393,216 tokens
- Availability
- $0.2Uncapped capacity
- Updated
- 11/8/2026, 2:16:16 AM UTC
Capacity is reserved when your request is accepted.
Price history
Observed best prices · Last 24 hours · UTC
$0.015/ 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.