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Posts by Greta Neumann

3 articles published

Anthropic Just Split Its Smartest Model in Two: Meet Mythos 5 and Fable 5

Anthropic Just Split Its Smartest Model in Two: Meet Mythos 5 and Fable 5

June 10, 2026

On June 9, Anthropic did something no lab had done before: it shipped its most powerful model twice. Mythos 5 for the few, Fable 5 for everyone - same brain, very different leash. Here's why the split matters more than the benchmarks.

Anthropic Claude Model Release AI Safety
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Google's Gemini 3.5 Flash Undercuts Everyone - Again

Google's Gemini 3.5 Flash Undercuts Everyone - Again

May 20, 2026

At I/O 2026 Google shipped Gemini 3.5 Flash: a fast, cheap model that beats its own Pro tier on coding and agentic benchmarks at $1.50 a million tokens. The 'good enough and absurdly cheap' tier just got dangerous.

Google Gemini Pricing Model Release
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Claude Sonnet 4.5: What's New and Why It Matters

Claude Sonnet 4.5: What's New and Why It Matters

September 29, 2025

A practical deep dive into Claude Sonnet 4.5 improvements released on Sept 30, 2025.

Claude Release Coding
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