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Long-Context Reasoning

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Wednesday, 29 April 2026

DeepSeek-V4 Pro now available on Together AI

Together AI 2 months ago

DeepSeek-V4 Pro, a 1.6-trillion-parameter mixture-of-experts model, is now available on Together AI with a 512K-token context window for long-context reasoning tasks. The model costs $2.10 per million input tokens, $0.20 per million cached input tokens, and $4.40 per million output tokens, with cached input representing a 90% cost reduction for reused context. Teams can choose between three reasoning modes (Non-Think, Think High, Think Max) and deploy via serverless inference or dedicated infrastructure, enabling applications like code agents, document analysis, and research synthesis without requiring self-hosted deployment.