AI Daily Briefing · 27 Apr 2026 · 7 min

DeepSeek V4 vs GPT-5.5: The US-China AI Gap Closes

DeepSeek V4 launched hours after GPT-5.5, claiming competitive parity with the world's top AI models — and running on Huawei chips that could reshape the semiconductor war. This is the story behind the benchmarks, the open-source fine print, and what it all means for the global AI race.

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DeepSeek V4 vs GPT-5.5: The US-China AI Gap Closes

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What's covered

DeepSeek launched V4 on Saturday, hours after OpenAI shipped GPT-5.5, and immediately claimed competitive parity with the top models in the world. The timing was not accidental.

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