Dates
Official notice
Standard API billing starts
Standard API rates
USD per million tokens; billing starts October 5, 2026.
| Token type | Rate |
|---|---|
| Input | $5.00 |
| Cached input | $0.50 |
| Output | $25.00 |
What changes
OpenAI’s September 8 notice sets October 5, 2026 as the start of billing for gpt-rosalind-research.
Required action
Before October 5, review expected usage and budgets for gpt-rosalind-research. Confirm your organization’s access and applicable terms.
Scope and testing limits
- The trusted-access program covers approved internal research; this is not unrestricted public access.
- Cache-write pricing does not apply to this model.
- These are documented Standard API rates, not subscription credits or a claim about private contract rates.
- No account, invoice, access entitlement or model inference was tested.
Official sources
Verification
Official sources checked 2026-09-27. Historical first detection is unverified. No account, billing or migration test was performed.