**DeepSeek** has announced the upcoming release of its **V4.1 Flash** model, scheduled for September 10, 2026 (Beijing Time). According to the company, the new model outperforms the existing V4 Pro across all key metrics, including performance, cost, speed, and task completion time.

Following the launch of V4.1 Flash and until V4.1 Pro is released, all requests to the Pro model will be automatically routed to V4.1 Flash and billed at the new, lower Flash pricing. The updated rates take effect at 4:00 UTC on September 10, 2026, with peak-hour pricing applying on weekdays from 1:00–4:00 AM and 6:00–10:00 AM UTC.

DeepSeek states that continued use of its services after the billing adjustment constitutes acceptance of the new terms. Users who do not agree may cancel their service and request a refund.

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