DeepSeek-Flash pricing structure introduced with off-peak and peak rates ($0.003-$1.2 per 1M tokens)
Users can now see transparent pricing for deepseek-flash with time-based pricing variations, cache hit discounts, and off-peak/peak rate differentiation.
Model naming change: deepseek-v4-flash renamed to deepseek-flash
Developers using deepseek-v4-flash should migrate to deepseek-flash. Legacy names still work but map to V4.1-Flash model with Flash pricing.
Evidence
−deepseek-v4-flash
+Use deepseek-flash as the model name. The legacy names deepseek-v4-flash and deepseek-v4-flash-vision-exp are still accepted, but the corresponding models have been retired, their requests are served by the DeepSeek-V4.1-Flash model and billed at the Flash price.
Detailed pricing structure for V4-Flash-Vision-Exp with separate cache hit and cache miss rates
Users can now see transparent pricing for the new model: $0.007/$0.014 per 1M input tokens (cache hit) and $0.22/$0.44 per 1M input tokens (cache miss), with higher rates for other token types
New experimental vision model deepseek-v4-flash-vision-exp released with image input capabilities
Developers can now use the new deepseek-v4-flash-vision-exp model to process images in addition to text, enabling multimodal AI capabilities.
Evidence
+The newly released deepseek-v4-flash-vision-exp is an experimental model that additionally accepts image input; set the model name to deepseek-v4-flash-vision-exp to use it, and see Vision for details.
DeepSeek API transitions from general price increase warning to specific peak/off-peak tiered pricing model
All DeepSeek API users will face new pricing structure effective August 16, 2026. Peak hours (01:00-04:00 and 06:00-10:00 UTC) charge double the off-peak rates. Off-peak rates are half of peak rates.
Evidence
−We plan to raise the overall pricing for DeepSeek API services in the near future, with a significant increase expected. Please plan your usage accordingly. The specific pricing plan will be subject to official notice.
+DeepSeek API pricing will be updated to peak / off-peak billing, with off-peak rates at half the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC (all other hours are off-peak). The new prices take effect at 16:00 UTC on August 16, 2026
Developers using DeepSeek-V4-Pro can now use the Responses API, previously limited to deepseek-v4-flash model.
Evidence
−The Responses API currently only supports the deepseek-v4-flash model, and does not yet support the deepseek-v4-pro model. We will add support for the deepseek-v4-pro model in early August 2026.
Developers can now access an updated DeepSeek-V4-Pro model (version 0813) by calling deepseek-v4-pro. The calling method remains unchanged.
Evidence
−The deepseek-v4-flash model has been updated to DeepSeek-V4-Flash-0731. The calling method remains unchanged — simply use deepseek-v4-flash to access the latest version.
+The deepseek-v4-flash model has been updated to DeepSeek-V4-Flash-0731, and the deepseek-v4-pro model has been updated to DeepSeek-V4-Pro-0813. The calling method remains unchanged — simply use deepseek-v4-flash or deepseek-v4-pro to access the latest version.
Peak/off-peak pricing policy coming to DeepSeek API service
API pricing will increase to 2x during peak hours (9:00–12:00 and 14:00–18:00 Beijing Time, UTC+8) daily. This affects all billing items. Effective date pending official announcement.
Evidence
+(2) The DeepSeek API service will soon adopt a peak/off-peak pricing policy. During peak hours, prices will be 2x the regular prices, applicable to all billing items. The effective date will be subject to the official announcement. [Peak hours: 9:00–12:00 and 14:00–18:00 (Beijing Time, UTC+8) daily]
DeepSeek-V4-Flash model updated to version 0731 with automatic version handling
Developers using deepseek-v4-flash will automatically receive the latest model version (0731) without needing to change their API calls or code.
Evidence
−model
+model(1)
(1) The deepseek-v4-flash model has been updated to DeepSeek-V4-Flash-0731. The calling method remains unchanged — simply use deepseek-v4-flash to access the latest version.
deepseek-chat and deepseek-reasoner models deprecated with sunset date July 24, 2026
API users using these legacy model names must migrate to deepseek-v4-flash before the deprecation date to avoid service disruption.
Evidence
−deepseek-chat (to be deprecated on 2026/07/24)
deepseek-reasoner (to be deprecated on 2026/07/24)
* The model names deepseek-chat and deepseek-reasoner will be deprecated on 2026/07/24 15:59 UTC. For compatibility, they correspond to the non-thinking mode and thinking mode of deepseek-v4-flash, respectively.