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Models

DeepSeek launches V4-Flash-0731 to challenge OpenAI on performance and cost

DeepSeek has launched V4-Flash-0731, a new model that outperforms its own flagship across nine key benchmarks. This release significantly undercuts the market by offering pricing 30 percent lower than OpenAI's recently discounted GPT-5.6 Luna model.

Why it matters

For enterprise teams, this shift highlights the rapid commoditisation of high-performance inference. Accessing flagship-level capabilities at a fraction of the cost allows for more ambitious scaling of agentic workflows and real-time applications without compromising on budget or speed.

Key points

  • V4-Flash-0731 surpasses DeepSeek's previous flagship in nine performance benchmarks
  • Pricing is 30 percent lower than the latest discounted rates for OpenAI's GPT-5.6 Luna
  • The release intensifies the price war among frontier model providers for high-speed inference
  • The model targets developers needing high throughput for complex automation tasks

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