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-1017Pricing
~96%- Input
- $0.005828 / 1,000,000 tokens
- Output
- $0.02331 / 1,000,000 tokens
- Cache read
- $0.000117 / 1,000,000 tokens
- Cache write
- $0.005828 / 1,000,000 tokens
Discount history
Model details
- Input
- text, image
- Output
- text
- Context window
- 1,048,576 tokens
- Maximum output
- 393,216 tokens
- Availability
- $0.9Uncapped capacity
- Updated
- 11/8/2026, 3:58:06 AM UTC
Capacity is reserved when your request is accepted.
Capabilities
ChatStreamingVisionTool callingReasoningJSON mode
Supported parameters
frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningreasoning_effortresponse_formatstoptemperaturetool_choicetoolstop_logprobstop_p