OpenAI and Anthropic cut LLM prices up to 80% within months
AIOpenAI cut GPT-5.6 Luna's price by 80% to $0.20 / $1.20 / $0.02 per million tokens on July 30, 2026, and Anthropic made its temporary Sonnet 5 launch pricing of $2 / $10 / $0.20 permanent on August 10. The author says the two companies traded price cuts in response to each other, with cache read costs making up 96% to 99% of agentic coding token spend.
Source details
Hacker News · AI (150+ points) · minimaxir · minimaxir.comPublished · added here
Original title: OpenAI and Anthropic cut their LLM prices by up to 80% within a few months. Why?