DeepSeek V4 API Pricing Introduces Peak and Off-Peak Rates with Weekend Off-Peak Adjustment - PopularTechNews

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DeepSeek V4 API Pricing Introduces Peak and Off-Peak Rates with Weekend Off-Peak Adjustment

DeepSeek has formally released the complete DeepSeek V4 series of models, and with it, the company is revising its API pricing. The new structure introduces a peak and off-peak pricing model, with off-peak rates set at half the price of peak-hour rates, effective at 16:00 UTC on August 16, 2026.

Key Takeaways

  • DeepSeek V4 launch brings a new peak/off-peak API pricing model, with off-peak rates at half the peak rates.
  • New pricing takes effect at 16:00 UTC on August 16, 2026, and a weekend off-peak billing adjustment starts August 23, 2026.
  • Peak hours are 01:00–04:00 and 06:00–10:00 UTC; on weekends (Beijing Time), all calls are charged at the off-peak rate.
  • Users who continue using the service after the billing changes are deemed to have accepted the updated terms.
  • Users who do not agree may cancel their service and request a refund.

DeepSeek V4 API Pricing: New Peak and Off-Peak Rates

DeepSeek is moving to a peak and off-peak pricing structure for its API services. The company encourages users to plan their usage around the new peak and off-peak pricing. Under the new structure, off-peak API rates will be set at half the price of peak-hour rates. The new pricing structure becomes effective at 16:00 UTC on August 16, 2026.

Peak hours are defined as 01:00–04:00 and 06:00–10:00 UTC. All hours outside the specified peak windows are considered off-peak. The following table details the new pricing for the DeepSeek-V4-Flash and DeepSeek-V4-Pro models.

Model Period Input (cache hit) Input (cache miss) Output
DeepSeek-V4-Flash Off-Peak $0.007 $0.22 $0.66
DeepSeek-V4-Flash Peak hours $0.014 $0.44 $1.32
DeepSeek-V4-Pro Off-Peak $0.022 $0.66 $1.98
DeepSeek-V4-Pro Peak hours $0.044 $1.32 $3.96

As the table shows, using the API during off-peak hours can significantly reduce costs. For example, DeepSeek-V4-Flash output is $0.66 off-peak versus $1.32 during peak hours, while DeepSeek-V4-Pro output drops from $3.96 to $1.98. DeepSeek encourages users to adjust their task schedules based on actual usage needs.

Weekend Billing Adjustment: Off-Peak Rates All Day

Effective 00:00 Beijing Time on Sunday, August 23, 2026, DeepSeek will modify its peak and off-peak billing rules. On weekdays (Monday to Friday, Beijing Time), the existing peak and off-peak tiered pricing will remain in effect. However, on weekends (Saturday and Sunday, Beijing Time), the peak and off-peak time divisions will no longer apply throughout the day. All API calls made on weekends will be charged uniformly at the off-peak rate.

The weekend billing adjustment is intended to give users more flexibility in scheduling usage without worrying about peak-hour costs. It also aims to help balance overall computing loads and ensure more reliable and higher-quality services. The system will automatically apply the new billing standards from the effective time, and any fees incurred prior to the effective time will be settled according to the original billing rules.

What Happens Next

Users who continue using the service after the billing adjustment are deemed to have accepted the adjusted terms. Users who do not agree with the new billing terms may cancel their service and apply for a refund. DeepSeek invites users with questions to contact them for further information.

For more on DeepSeek’s technology and offerings, visit DeepSeek.

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