Open Chinese Models Close Gap With Silicon Valley Frontier AI Models

Mozilla's State of Open Source AI report says the performance gap between US frontier models and top open Chinese models has narrowed to 4.4 months. Moonshot AI's Kimi K3 trails Anthropic's Fable 5 by 3 points on the Artificial Analysis index but costs 30% of its price.

• Performance gap between frontier and open models is 4.4 months
• Kimi K3 trails Fable 5 by 3 points but costs 70% less
• Mozilla advises using open models by default for most tasks
• Paid models are justified for expert work and long context