Gemini 4 Argon announced
Google's new frontier model is rolling out first to trusted cyber defenders. Paid API customers and Google AI Ultra subscribers come next; no API date is published yet.
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· Anthropic
Claude Sonnet 4.5 deprecated
Anthropic notified API developers that Claude Sonnet 4.5 retires on November 30, 2026, with Claude Sonnet 5.5 as the recommended replacement.
Google publishes Gemini 4 Argon results on 17 benchmarks
Google's launch table compares Gemini 4 Argon with GPT-6 Astra, Claude Fable 5.1 and Claude Opus 5.5 across coding, knowledge work, science, long context, multimodal and security benchmarks.
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