• may 5 – gpt-5.5 (@OpenAI)
• may 8 – ring-2.6-1t (@TheInclusionAI)
• may 18 – composer 2.5 (@cursor_ai)
• may 19 – gemini 3.5 flash (@Google)
• may 20 – qwen 3.7 max (@AlibabaGroup)
• may 28 – opus 4.8 (@AnthropicAI)
• may 28 – step 3.7 flash (@StepFun_ai)
9 labs released no new llm in may: deepseek, xai, meta, kimi, xiaomi, z ai, minimax (m3 was released on june 1st), mistral, tencent
the ones sitting out may are not behind – deepseek, xai, and kimi all shipped in april. the calendar gap is less about who's slow and more about who's next

Nick Trenkler