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AI path · course 4 of 142
Four Frontier Models in Four Days
Intermediate · 3 lessons · 0 complete
Between September 1 and September 3, 2026, Anthropic made Fable 5.1 generally available, Google shipped Gemini 3.8 Flash, Meta pushed Muse Spark 1.3, and OpenAI released GPT-6 Astra. This course unpacks what a release cluster like that actually tells you about the field, what it doesn't, and how to make sane engineering decisions when the model you standardised on last quarter is suddenly a generation behind.
