https://www.live-feeds.com/feed/i-tested-chatgpt-6-vs-claude-opus-5-5-with-5-everyday-promptsContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/i-tested-chatgpt-6-vs-claude-opus-5-5-with-5-everyday-promptshttps://www.live-feeds.com/feed/i-tested-chatgpt-6-vs-claude-opus-5-5-with-5-everyday-prompts#u84517Sat, 26 Sep 2026 01:26:07 +0000OpenAI and Anthropic have released new AI models, GPT-6 and Claude Opus 5.5, focusing on lower costs and increased performance. OpenAI introduced two versions of GPT-6 called Sol and Luna. Anthropic's Opus 5.5 provides Fable-level performance at reduced prices. These releases follow a period of public calls for a slowdown in AI development. Initial user testing compares the two models across everyday tasks including writing, planning, and research, though results vary by specific use case.Why it mattersThese launches represent the first major updates from the two companies following a coo