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Deepseek open-sources the inference engine that powers its fastest and cheapest AI model

Technology · en

Deepseek open-sources the inference engine that powers its fastest and cheapest AI model

The Decoder · Oct 20, 2026, 6:56 PM UTC

Deepseek is open-sourcing DeepInfer, the inference framework behind its fast V4.1-Flash model. The vLLM-based system cuts compute costs and energy use when running AI models. The release adds more pricing pressure on Western providers like OpenAI and Anthropic.…