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OpenAI upgrading ChatGPT and Codex with 2 more GPT-6 models

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OpenAI upgrading ChatGPT and Codex with two more GPT-6 models

Earlier this month, OpenAI released the first GPT-6 model with Astra.

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ChatGPT's new GPT-6 Sol and Luna models are faster, better, and far more affordable

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OpenAI launches faster and more efficient GPT-6 Sol and Luna models.

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OpenAI’s GPT-6 Sol doubles its accuracy rate – for half the cost

GPT-6 Sol and Luna arrive less than three months after GPT-5.6, with OpenAI claiming major accuracy gains, dramatic cost reductions, and oddly revealing Claude comparisons across key benchmarks.

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ChatGPT-6 Sol and Luna are here: Pricing and benchmarks data

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OpenAI expands GPT-6 lineup with cheaper Sol and Luna models

GPT-5.5 to be discontinued on October 14 | Migration checks for Codex users to perform now

According to official OpenAI information, GPT-5.5 will be discontinued across all plans for ChatGPT, ChatGPT Work, and Codex on October 14, 2026. If you are using Codex with a ChatGPT account, any settings currently selecting gpt-5.

OpenAI to retire GPT-5.5 from ChatGPT, Work and Codex on October 14: What changes to expect

OpenAI is making a significant change to its model lineup, with GPT-5.5 set to leave some of its major products next month as users are moved towards newer models.

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GPT-6 just exposed something confusing about ChatGPT

GPT-6 reveals where OpenAI thinks ChatGPT is heading next

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GPT-6 and Claude Opus 5.5. Rather than the 'strongest AI,' I want to choose an AI I can keep using

Sol and Luna, Claude Opus 5.5. While following the announcements of these new models, I felt excited, but at the same time, I was thinking about something else.Which one will be the strongest next? Of course,

VentureBeat

OpenAI's new agentic coding model GPT-5-Codex can run independently for 7 hours at a time

OpenAI is rolling out GPT-5-Codex, a new, fine-tuned version of its GPT-5 model designed specifically for software engineering tasks in its AI-powered coding assistant, Codex. The release is part of a broader set of product updates that OpenAI says will ...