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Chinese AI models have lagged the US frontier by 7 months on average since 2023

4 months ago
  • #AI
  • #US-China
  • #Technology Gap
  • Chinese AI models have trailed US models by an average of 7 months since 2023.
  • The gap ranges from 4 to 14 months, with Chinese models being open-weight and US models proprietary.
  • The Epoch Capabilities Index (ECI) measures the performance gap, with Chinese models first surpassing GPT-4 in May 2024.
  • No Chinese model has yet surpassed OpenAI’s o3 model, released in April 2025.