Codex is switching to API pricing based usage for all users
help.openai.com
April 5, 2026
5 min read
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53/100
Summary
Codex pricing has been updated as of April 2, 2026, to align with API token usage rather than per-message pricing. The new credit rates apply to Plus, Pro, Business, and Enterprise/Edu plans.
Key Takeaways
- As of April 2, 2026, Codex pricing has shifted to a token-based structure for new and existing ChatGPT Business and new ChatGPT Enterprise plans.
- The new pricing model calculates credits based on API token usage, with specific rates for input, cached input, and output tokens for various models.
- Existing Plus, Pro, and Enterprise/Edu customers will continue to use the legacy rate card until migration to the new rates occurs.
- On average, Codex costs between $100 and $200 per developer per month, depending on model usage and other factors.
Community Sentiment
Positives
- The $20/month Codex subscription was previously seen as an excellent value, highlighting the competitive pricing landscape in AI tools.
Concerns
- The shift to API pricing based on usage signals the end of subsidized access, raising concerns about affordability and accessibility for users.
- Many view this change as a potential precursor to significant price hikes in AI services, which could limit access for smaller developers.