OpenAI introduces GPT-6 Sol and GPT-6 Luna, saying they bring GPT-6 improvements in professional work, factuality, coding, computer use, and alignment to faster, lower-cost models. OpenAI lists 50% lower API prices than GPT-5.6 promotional pricing for both models, with API identifiers gpt-6-sol and gpt-6-luna. The post mixes OpenAI research or API evaluations with public competitor reports, so the results are not a universal production benchmark.

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