OpenAI and Anthropic Release Cheaper AI Models, Investors Visit China as Country’s AI Prowess Rises

New OpenAI and Anthropic models cut costs 20-50% via efficiency gains, not fresh capability leaps, per Arena.ai's analysis.

• Price cuts, not new frontier: GPT-6 Sol dropped ~50% and Claude Opus 5.5 dropped ~20% in token price, but Peter Gostev says neither is a true capability leap versus prior top models Fable/Astra.
• Efficiency gains real: Gostev's early testing suggests GPT-6 Sol uses roughly half the tokens of Sol 5.6 for similar output, and per-task cost fell to about $0.50 vs Astra's ~$4-5 on Arena's agent benchmark.

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