Instant chat is unlimited. Medium, High, and Extra High use different reasoning efforts, but they all use GPT‑5.6 Sol and have the same rate of 10 credits per message. Selecting a higher reasoning effort does not increase the per-message credit rate. Instant may automatically switch to Medium when a request requires more reasoning. When this happens, the message uses GPT‑5.6 Sol and is charged at 10 credits.Unlimited…
Public proof receipt / delayed sample
OpenAI Codex P0 · LAUNCH
GPT-6 Sol and GPT-6 Luna are available for ChatGPT Work and Codex but are not available in Chat.
See the relevant before and after, when the change was found, and the official page behind it.
This article outlines the current credit rates for ChatGPT Business and Enterprise/Edu plans under flexible, credit–based pricing. It covers ChatGPT models and features, ChatGPT for Excel, ChatGPT for PowerPoint, Workspace Agents, ChatGPT Work, and Codex.
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The before-and-after text above shows what was present on the official page at each capture. This summary explains the reviewed change.
GPT-6 Sol and GPT-6 Luna are available for ChatGPT Work and Codex but are not available in Chat.
GPT-5.4 and GPT-5.4 mini will retire in Codex for ChatGPT users on August 31, 2026, with GPT-5.6 Terra and GPT-5.6 Luna recommended as replacements. GPT-6 Sol and GPT-6 Luna are available for ChatGPT Work and Codex but are not available in Chat.
- Before captured
- Sep 22, 2026, 12:05 AM PDT
- After captured
- Sep 22, 2026, 2:51 PM PDT
- Reviewed
- Sep 23, 2026, 3:09 PM PDT
WHY IT MAY MATTER
A packaging or usage-policy change can alter effective price, product eligibility, and customer comparisons.
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