Andriy Burkov: the only gap between open-weight and frontier models is data quality

burkov · x · 2026-10-17

Andriy Burkov argues the only difference between proprietary frontier models and open-weight models is data quality. He contends that no matter how much RL Chinese companies apply to make their models agentic and math-capable, their output on non-agentic tasks remains largely inferior to the three US proprietary models from OpenAI, Anthropic, and Google — and as long as this disparity holds, business users will keep choosing proprietary models.

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