The Last 30 Days in AI (Mid-June to Mid-July 2026): Every Major Model Launch, Explained
Claude Sonnet 5, Grok 4.5, GPT-5.6 Sol/Terra/Luna, and Kimi K3 all shipped within three weeks. Here's the full timeline — what launched, what it costs, how it benchmarks, and what the wave means.
Four frontier or near-frontier models in nineteen days is not a coincidence — it is the base-model wars reopening, and the winners this cycle are buyers, who now have Opus-class capability at Sonnet-class prices.
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