OpenAI has released GPT-5.6 with three distinct models: Sol, Terra, and Luna, offering varying price points for API access. Sol, the flagship model, is priced at $5 per million input tokens and $30 per million output tokens, the same as GPT-5.5. Terra is half the price of Sol, and Luna is five times cheaper. The article details the costs in rubles, estimating a typical dialogue to cost between 1.7 and 8.4 rubles, and compares API costs to the ChatGPT Plus subscription, which is significantly more expensive for Russian users. AI
IMPACT Sets clear pricing tiers for API access, enabling cost-conscious developers to choose models based on task complexity and budget.
RANK_REASON Frontier-lab model release with system card [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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