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OpenAI and Anthropic Slash Model API Prices in Same-Day Releases
OpenAI released GPT-6 Sol and Luna at roughly half the price of their GPT-5.6 predecessors, while Anthropic cut Claude Opus 5.5 pricing 20% on input/output and 60% on cached tokens. For any company running AI agents or chatbots on these APIs, inference costs just dropped substantially without any migration effort beyond a model-name swap.
What changes for operators — If your support bot, sales assistant or internal automation runs on GPT or Claude APIs, this is a direct cost lever: GPT-6 Luna at $0.10/M input tokens is roughly one-twentieth the price of Claude Opus 5.5, and cached-token discounts on Opus 5.5 matter a lot if your agents run long multi-turn conversations where most tokens are repeated context. Before renewing any AI vendor contract or locking in a model choice for a new automation build, re-run the cost math — a workflow that looked expensive at GPT-5.6 or Opus 5.0 pricing may now be cheap enough to expand to more use cases, and a support queue currently routed to a premium model may run just as well on a cheaper one.