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Anthropic releases Claude Opus 5.5 and OpenAI counters with two cheaper GPT-6 models

This story is from 2026-09-22. It is preserved in the archive; the latest stories are on the live feed.

Despite rampant worries about runaway artificial intelligence, the two big AI model makers aren't yet slowing down: Anthropic PBC released Claude Opus 5.5 today and cut its price 20%, and minutes later OpenAI Group PBC put out two new GPT-6 models, Sol and Luna, at half what their predecessors cost…

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  1. 2026-09-22 22:58 · SiliconANGLE AI
    Anthropic releases Claude Opus 5.5 and OpenAI counters with two cheaper GPT-6 models

More stories

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

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