OpenAI Adds GPT-6 Sol and Luna, Two Cheaper Everyday Models
The new pair sits below OpenAI's flagship GPT-6 Astra. OpenAI says they make fewer mistakes and cost half as much as the models they replace.
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Models, assistants and the rules around them.
Anthropic's Claude Opus 5.5 Costs Less and Answers Faster
The newest top model from Anthropic cuts API prices by 20 percent and writes more than 30 percent faster than the version before it.