GPT-5.6 has undergone significant price reductions, with the Luna model now 80% cheaper and Terra 20% less expensive. The Luna model, designed for tool use and multi-step workflows, offers performance comparable to previous frontier models at a fraction of the cost and increased speed. Additionally, a new 'Fast mode' is available for API customers seeking quicker access to the GPT-5.6 Sol variant. AI
IMPACT Price reductions on GPT-5.6 models may pressure competitors and accelerate adoption of advanced AI capabilities.
RANK_REASON Model release announcement from a frontier lab. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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