LLM Opex

Vendors

OpenAI

OpenAI makes the GPT models and sells them per token through its own API, beside open-weight models it publishes.

OpenAI sells 9 of the compared models per token and prices 0 kinds of GPU for hosting your own.

Models sold per token

The cheapest price anywhere, at the standard tier.
ModelInput, per 1M tokensOutput, per 1M tokens
GPT-5.4$2.50$15.00
GPT-5.5$5.00$30.00
GPT-5.6 Luna$0.20$1.20
GPT-5.6 Sol$4.00$20.00
GPT-5.6 Terra$2.00$12.00
GPT-6 Astra$10.00$50.00
GPT-6 Luna$0.10$0.50
GPT-6 Sol$2.00$10.00
GPT-6.1 Sol$2.00$10.00

Where it runs

One global price; OpenAI chooses where a request is processed.

No place stated for 9 models: one global price, and OpenAI does not say where a request is processed.

OpenAI: regional processing (data residency) endpoints add 10% on models released from March 2026

Where the prices come from

Sources

List prices collected 4 November 2026, refreshed every three hours. No negotiated rates or taxes.