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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 1017 costs $0.10 per 1M input tokens and $0.50 per 1M output tokens at the standard tier, the lowest default-region price among the 3 providers SF·SIX tracks, from InferenceNet (fp8). On DeepSeek’s own API it costs $0.15 / $0.60. Cached input reads cost $0.002 per 1M tokens. Updated ; prices checked .

Checked · Source: OpenRouter · Methodology

Developer
DeepSeek
Input modalities
text, image
Output modalities
text
Context tokens
1,048,576
Latest price observation
2026-10-17
Lowest paired standard token quote
$0.10 input / $0.50 output per 1M tokens

Dated price and provider records

Dated price and provider records
Provider and channelInputOutput or native rateUnit and statusSource and observation
InferenceNetOpenRouter$0.10$0.501M tokenspriced · USDOpenRouter2026-10-17
DeepInfraOpenRouter$0.14$0.421M tokenspriced · USDOpenRouter2026-10-17
DeepSeekOpenRouter$0.15$0.601M tokenspriced · USDOpenRouter2026-10-17
DeepInfraOpenRouter · Priority tier$0.21$0.631M tokenspriced · USDOpenRouter2026-10-17
DeepInfraOpenRouter · Flex tier$0.112$0.3361M tokenspriced · USDOpenRouter2026-10-17

These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.

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