[AINews] Claude Opus 5.5, the new default model for AINews — and everybody cuts prices 40-50%

overshadowing more efficient GPT6 models from OpenAI

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2026-09-23 06:41 · Latent Space
[AINews] Claude Opus 5.5, the new default model for AINews — and everybody cuts prices 40-50%

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GPT-6 Sol and Luna now available on AI Gateway — Vercel Blog
Anthropic launches Claude Opus 5.5 with stricter safeguards for cybersecurity — The Verge AI
Anthropic and OpenAI roll out cheaper models in first release since call for slowdown — CNBC Technology
Claude Opus 5.5 delivers Fable 5.1 performance – and costs 40% less — ZDNET AI
What's your proudest side-project made with Claude? — r/ClaudeAI
DeepL is now available in Microsoft Copilot, ChatGPT and Claude via MCP — DeepL Blog
AI slowdown? OpenAI and Anthropic launch cheaper AI models days after urging caution on frontier AI — Mint AI
Non-developer building a real app with Claude Code + ChatGPT. How are you guys using both without becoming the API between them? — r/ClaudeAI

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