GPT-5.6 Sol Ultra tier coming to Codex
Original: GPT-5.6 Sol Ultra will be in Codex
Why This Matters
Adding an Ultra-tier model to Codex signals OpenAI's push to offer higher-capability AI for developer workflows.
On July 6, 2026, X user Tibo (@thsottiaux) replied to @haider1 confirming that the Ultra tier of GPT-5.6 Sol will be available in OpenAI's Codex platform. The post received 157,700 views, 2,200 reposts, and 108 replies.
On July 6, 2026, X user Tibo (@thsottiaux) briefly confirmed in a reply to @haider1 that the Ultra tier of GPT-5.6 Sol will be included in OpenAI's Codex. The post stated simply: 'Ultra will be in codex.' No additional technical details, pricing, or timeline were provided in the post itself. The message garnered significant attention, accumulating over 157,700 views, 2,200 reposts, 93 bookmarks, and 108 replies, suggesting strong community interest. Codex is OpenAI's AI-powered coding assistant platform. The mention of a dedicated 'Ultra' tier implies a tiered model offering within Codex, though no official OpenAI announcement has been cited in the source material.