OpenAI API pricing

As of , we list 3 OpenAI API models. Output prices run from $0.50 per 1M tokens (GPT-6 Luna) to $50 (GPT-6 Astra).

Prices are from each vendor's official pricing page, checked on . This page has no affiliate links.

Data updated Prices checked by handSource: each vendor's official pricing page

Pricing page (source)

Key facts

Models listed
3
Input per 1M tokens
$0.10 to $10
Output per 1M tokens
$0.50 to $50
Largest context
1.05M tokens
Checked
on developers.openai.com/api/docs/pricing
OpenAI API prices per 1M tokens (standard rates, checked Oct 18, 2026)
ModelInput / 1M tokensOutput / 1M tokens1M in + 1M out
GPT-6 Astra$10$50$60
Details
Cached input / 1M tokens
$1
Context
1.05M
Note
Short-context rate (input up to 272K). Above 272K: input $20.00, cached $2.00, output $75.00. Cache write $12.50. Top model in the official lineup.
Source, checked
Source
GPT-6.1 Sol$2$10$12
Details
Cached input / 1M tokens
$0.10
Context
1.05M
Note
Rate for input up to 272K. Above 272K: input $4.00, cached $0.20, output $15.00. Cache write $2.50.
Source, checked
Source
GPT-6 Luna$0.10$0.50$0.60
Details
Cached input / 1M tokens
$0.01
Context
1.05M
Note
Rate for input up to 272K. Above 272K: input $0.20, cached $0.02, output $0.75. Cache write $0.125.
Source, checked
Source

OpenAI links and sources

Websiteopenai.com/api
Pricing pagehttps://developers.openai.com/api/docs/pricing
Checked
CurrencyUSD
Free tier—

Standard rates. Batch and Ultrafast are priced separately. openai.com/api/pricing returned 403, so values were checked on the official pricing page at developers.openai.com.

Compare all providers on the LLM API pricing table.

Pricing tables for other AI tools

Links marked "Affiliate link" pay us a commission if you subscribe. They do not change the order of the tables, which is sorted by price. Prices are as published by each vendor (most exclude sales tax and VAT). Check the vendor's page before you buy.

How this data is collected: Prices are read by hand from each vendor's official pricing page and stored with the date and source URL. Last checked .