OpenAI has launched an aggressive pricing strategy on the OpenRouter platform, offering its GPT-5.6 lineup at a 50% discount, with prices starting around $0.10 to $2.50 per million input tokens depending on the variant. The Luna model now generates traffic exceeding the combined volume of Anthropic’s Claude Opus 5 and Sonnet 5 models. Developers switching from Sonnet to Luna benefit from output prices more than 16 times lower, a price gap that drives workload migration. This pricing offensive targets high-volume, latency-sensitive applications such as chat services and classification tasks.
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