Another Month, Another Wave: The Frontier Release Cadence Refuses to Slow

GPT-5.6, Claude Opus 5, Grok 4.5, Meta Muse Spark, and Moonshot's Kimi all landed in a single 30-day window — a cadence that is reshaping how teams plan.

The last 30 days saw OpenAI ship GPT-5.6, Anthropic release Claude Opus 5, and xAI push out Grok 4.5, according to a roundup from @devXritesh. A parallel tally from @Oluwaphilemon1 added more launches to the pile — including references to GPT-6/Astra and Fable 5.1 — alongside Meta's Muse Spark and Moonshot's Kimi in the open-weight camp.

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