LLM API pricing › OpenAI

OpenAI API pricing

We list 3 OpenAI API models. Output prices run from $0.50 per 1M tokens (GPT-6 Luna) to $50 (GPT-6 Astra). Checked on the official pricing page on Oct 18, 2026.

Prices are from each vendor's official pricing page, checked on Oct 18, 2026. This page has no affiliate links.

OpenAI API prices per 1M tokens (standard rates, checked Oct 18, 2026)
Model	Input / 1M tokens	Output / 1M tokens	1M 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 Oct 18, 2026
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 Oct 18, 2026
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 Oct 18, 2026

OpenAI official pages

Website	openai.com/api
Pricing page	https://developers.openai.com/api/docs/pricing
Checked	Oct 18, 2026
Currency	USD
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. Values we could not confirm there are left blank. Last checked Oct 18, 2026.