AM JST on September 23, 2026, OpenAI has announced GPT-6 Sol and GPT-6 Luna, making them available on Codex and ChatGPT Work. API prices are also seeing significant reductions.Meanwhile, my Codex screen shows a notification that GPT-5.

GPT-6 Sol and Luna launch with 50% lower API prices, coding improvements and rollout across Codex, ChatGPT Work and selected tiers.

GPT-5.5 is reportedly being phased out across ChatGPT, ChatGPT Work and Codex, with developers expected to migrate their existing workflows

Compare five Claude Code alternatives for 2026, including Codex, Antigravity, Copilot, Cursor, and Kiro, with pricing, security, and team controls.

OpenAI has launched GPT-6 Sol and Luna with 50% lower API pricing, fewer factual errors, and availability in ChatGPT Work and Codex starting today.

When you type 'codex' in the terminal for the first time, the first thing that appears is a screen to choose your sign-in method. 'Sign in with ChatGPT' or 'other methods.' Even though both seem like they would work,