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PChatGPT publishes practical ChatGPT guides, AI tool workflows, and source-checked product updates. We are independent and not affiliated with OpenAI.

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OpenAI releases GPT-6.1 Sol at a fifth of GPT-6 Astra’s token prices

ChatGPT October 7, 2026 0

GPT-6.1 Sol costs significantly less than GPT-6 Astra, but developers should estimate the cost of their specific workload before choosing between them.

Coding Sessions Are Longer and Use More Context. Claude Opus 5.5 Is Built with That in Mind.

AI Trends September 27, 2026 0

This source-based guide explains Coding sessions are longer and use more context. Claude Opus 5.5 is built with that in mind., what the official first-party material supports, and what readers should verify before relying on it.

Introducing Claude Opus 4.7

AI Trends September 19, 2026 0

Anthropic’s latest Opus model is designed for difficult coding tasks, sustained reasoning, higher-resolution vision, stronger output verification, and new cybersecurity safeguards.

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OpenAI releases GPT-6.1 Sol at a fifth of GPT-6 Astra’s token prices

Coding Sessions Are Longer and Use More Context. Claude Opus 5.5 Is Built with That in Mind.

Introducing Claude Opus 4.7

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Latest guides

OpenAI releases GPT-6.1 Sol at a fifth of GPT-6 Astra’s token prices

Coding Sessions Are Longer and Use More Context. Claude Opus 5.5 Is Built with That in Mind.

Introducing Claude Opus 4.7

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