Commercial transition
Previous stateThe OpenAI API catalogue did not contain a GPT-6.1 Sol unit-price schedule.
→New stateGPT-6.1 Sol direct API list pricing is $2/M input, $0.10/M cached input and $10/M output.
Who is affected
Developers and organisations purchasing GPT-6.1 Sol usage through the OpenAI API.
Action required
Update direct API cost models using the published input, cached-input and output rates.
Evidence boundary
This is API unit pricing only. It does not state subscription charges, Codex usage multipliers, plan consumption, taxes, negotiated terms or Ultrafast pricing.
Timeline
- API pricing published
OpenAI published the GPT-6.1 Sol unit-price schedule.
Official sources
- Introducing GPT-6.1 SolOpenAI · 2026-09-29 · Official OpenAI direct API pricing authority