GPT-5.5 Instant/GPT-5.5-Cyber/Advanced Voice/New Features
Key Questions
What is GPT-5.5 Instant and its role in ChatGPT?
GPT-5.5 Instant is now the default model on ChatGPT with a 1 million token context window for improved performance.
What new cybersecurity model did OpenAI release?
GPT-5.5-Cyber has begun rolling out in Japan for government and enterprise use with enhanced security features.
How does OpenAI's new image verification tool work?
The tool combines C2PA metadata and SynthID to help users check whether images are real or AI-generated via a dedicated website.
What updates were made to Codex in the latest release?
Codex V2 includes new security features, app integrations, and context handling improvements for developers.
What integrations were announced for ChatGPT?
New integrations include Plaid for banking data and direct ChatGPT functionality inside Microsoft PowerPoint for slide creation and editing.
What is OpenAI's current focus with agents?
The company is pivoting toward agent capabilities, as noted by Brockman, shifting from pure chat models to actionable AI systems.
Are there improvements to image generation in this update?
Yes, Images 2.0 brings enhanced generation quality alongside the new verification tools for authenticity.
How does GPT-5.5 Instant compare to previous models?
It offers a significantly larger 1M-token context window compared to the 128K in earlier GPT-5 versions while maintaining strong benchmark performance.
GPT-5.5 Instant default (1M-token). GPT-5.5-Cyber Japan rollout. New image verify tool (C2PA+SynthID). Codex V2 security features. Agent pivot (Brockman quote). Images 2.0; Plaid/PowerPoint integrations.