GPT-5.6 Alpha to Launch Next Week, Gemini 3.5 Pro Delayed with 2M Contextual Upscale

According to Sentinel Beating monitoring, tech blogger leo revealed that OpenAI may open GPT-5.6 to the public from July 7 to 9, with the earliest date being July 7. The new model's package quota will be more generous, and OpenAI is also strengthening security measures before the launch.

Google DeepMind's Gemini 3.5 Pro is rumored to be launched on July 17. Another blogger, Astro Polo, stated that Gemini 3.5 Pro will support a 2 million token context window, twice as much as the current 1 million token context of Claude Sonnet 5, Claude Opus 4.8, and Claude Fable 5, making it more suitable for handling large codebases, extensive documents, and lengthy conversations.