context window

Alibaba has released Qwen3.7 Max, the flagship model in its Qwen3.7 series, featuring a 1 million token context window. The text-only model is designed for agent-centric workloads with strengths in coding, office productivity, and long-horizon autonomous execution, and includes explicit prompt caching support.

Google released Gemini Flash Latest on April 27, 2026, a dynamic router that automatically redirects to the newest model in the Gemini Flash family. The model supports 1,048,576 token context window and includes reasoning capabilities.

OpenAI released GPT-5.5 on April 23, 2026, seven weeks after GPT-5.4. The model features a 400K context window in Codex and claims improvements in multi-step tasks, agentic coding, and computer use, though at higher pricing than its predecessor.

Xiaomi released MiMo-V2.5-Pro on April 22, 2026, its flagship model featuring a 1,048,576 token context window and pricing at $1 per million input tokens and $3 per million output tokens. According to Xiaomi, the model ranks highly on ClawEval, GDPVal, and SWE-bench Pro benchmarks, designed for autonomous completion of professional tasks requiring thousands of tool calls.