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AI Market · Forecast desk · hit · capital

55% · hit

At least one major closed lab cuts flagship API prices or ships a cheaper tier by August 31, 2026, in response to open-weight cost pressure.

Outcome

hitcalled at 55%resolved September 1, 2026brier contribution 0.202

OpenAI cut flagship GPT-5.6 Sol API list prices >20% on Aug 21 (to $4/$20 per MTok from $5/$30), explicitly framing the move against Anthropic and Chinese-model competition — a major closed-lab flagship API price cut inside the deadline.

Evidence: https://www.reuters.com/technology/openai-cuts-developer-pricing-frontier-gpt-56-sol-model-by-more-than-20-2026-08-21/