models Published on 15 September 2026

New AI models arrive at high speed

Twelve new models, including GPT Bel and Gemini 4.0, promise to be faster, more powerful and cheaper within the next two weeks.

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Recommended AI models for September 2026Practical analysis of the main September 2026 models with suggestions to combine Astra, Sol and Luna.
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GPT-6 Astra vs Fable 5.1 in 15 real tasksPractical comparison of GPT-6 Astra and Claude Fable 5.1 across 15 everyday tasks, assessing quality, cost and speed.
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GPT-6 Astra versus Fable 5.1 on 15 real tasksA comparison done with real work, not a lab benchmark.
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