This is a static, indexable page for GPT 5.1 Chat, summarizing its public pricing across official APIs and aggregator routes, including blended cost ranges, input spread, and source composition.
GPT 5.1 Chat currently resolves to 3 sources. The cheapest blended route is $31.25/M on OpenRouter, about 0% lower than the highest priced route. It includes both official and aggregator routes.
The cheapest official baseline currently comes from OpenAI at $31.25/M.
Bundle generated at 2026-05-11T07:52:52Z. Related crawl timestamps currently span 2026-04-27T05:24:04.785Z to 2026-05-11T06:29:54.582Z. The current page includes 1 official sources and 2 aggregator or reseller sources.
No extra pricing caveats are attached to this page right now.
| Source / route | Input | Output | Blended | Context | Notes |
|---|---|---|---|---|---|
| $1.25 | $10 | $31.25 | 128k | No extra caveat | |
| $1.25 | $10 | $31.25 | 128k | No extra caveat | |
| $1.25 | $10 | $31.25 | 128k | No extra caveat |
o4 Mini currently resolves to 9 sources. The cheapest blended route is $0/M on Groq, about 100% lower than the highest priced route. It includes both official and aggregator routes.
GPT-OSS 120B currently resolves to 6 sources. The cheapest blended route is $0/M on OpenRouter, about 100% lower than the highest priced route. It currently has no official baseline source.
GPT-OSS 20B currently resolves to 6 sources. The cheapest blended route is $0/M on OpenRouter, about 100% lower than the highest priced route. It currently has no official baseline source.
o3 currently resolves to 7 sources. The cheapest blended route is $26/M on FastRouter, about 90% lower than the highest priced route. It includes both official and aggregator routes.
o1 Pro currently resolves to 3 sources. The cheapest blended route is $390/M on OpenAI, about 80% lower than the highest priced route. It includes both official and aggregator routes.
GPT Audio Mini currently resolves to 2 sources. The cheapest blended route is $1.6/M on OpenAI, about 79% lower than the highest priced route. It includes both official and aggregator routes.