59 Major AI Models Released in 2026 So Far — and It's Only May

The pace of frontier model releases has reached roughly one every two days, from GPT-5.5 to Claude Opus 4.7 to Grok 5, creating an environment where betting on any single model is increasingly untenable.

According to a tally compiled by @Yuki26856052, 59 major AI model releases have shipped in 2026 through early May — a cadence that includes GPT-5.5, Gemini 3.1 Ultra, Claude Opus 4.7, and Grok 5 among the headliners, plus dozens of smaller but significant updates from labs like Stability, Mistral, and others. @MockoFUN highlighted yet another batch arriving, including GPT2 (a naming callback), Grok Imagine, WAN2.7, and Seedream 5.

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