--- title: "OpenAI — API pricing" url: https://stacklist.com/card/074ebce8-02b5-4daa-9d2f-fdc3cfd52081 source_url: "https://developers.openai.com/api/docs/pricing" stack: https://stacklist.com/c/finance/stack/cd56e1a1-45bb-4978-945b-4a9e71b13b5f summary: "OpenAI API pricing document detailing costs per 1M tokens for GPT-6 and GPT-5.6 models across multiple processing modes including Standard, Batch, Flex, and Fast mode. Pricing varies by model tier (Astra, Sol, Luna) and context length, with additional uplifts for FedRAMP and regional data residency endpoints." tags: "api-pricing, gpt-models, token-costs, processing-modes, data-residency" key_entities: "OpenAI (organization), GPT-6-Astra (technology), GPT-6-Sol (technology), GPT-6-Luna (technology), GPT-5.6-Cyber (technology), FedRAMP (concept), data-residency (concept), Amazon Bedrock (organization), EU (location)" classification: "reference" content_hash: "sha256:b49ebd69d1df390d14f67f6a987078138be838010c944bc7ef75b542dd971e73" acp_version: "0.2" token_counts_approximate: 1097 visibility: public agent_accessible: true status: "final" --- # OpenAI — API pricing FedRAMP endpoints are charged a 10% uplift over the corresponding standard model rates. Flagship models Our latest models Prices per 1M tokens. Standard Batch Flex Fast mode Standard Short context Long context Model Input Cached input Cache writes Output Input Cached input Cache writes Output gpt-6-astra $10.00 $1.00 $12.50 $50.00 $20.00 $2.00 $25.00 $75.00 gpt-6-sol $2.00 $0.20 $2.50 $10.00 $4.00 $0.40 $5.00 $15.00 gpt-6-luna $0.10 $0.01 $0.125 $0.50 $0.20 $0.02 $0.25 $0.75 Regional processing (data residency) endpoints are charged a 10% uplift for models released on or after March 5, 2026, that are eligible for data residency. For GPT-6 Sol and Luna, EU data residency is available only with Standard processing. See our Your data guide for supported regions and processing details. OpenAI models in Amazon Bedrock are billed through AWS. Bedrock pricing in commercial regions matches OpenAI direct pricing for equivalent services. Priority processing was renamed Fast mode on July 30, 2026. You can use either service_tier: "priority" or service_tier: "fast" in your API requests. Learn more about Fast mode . GPT-5.6 Sol’s promotional pricing is available at least through November 21, 2026. All models Batch Short context Long context Model Input Cached input Cache writes Output Input Cached input Cache writes Output gpt-6-astra $5.00 $0.50 $6.25 $25.00 $10.00 $1.00 $12.50 $37.50 gpt-6-sol $1.00 $0.10 $1.25 $5.00 $2.00 $0.20 $2.50 $7.50 gpt-6-luna $0.05 $0.005 $0.0625 $0.25 $0.10 $0.01 $0.125 $0.375 For GPT-6 Sol and Luna, EU data residency is available only with Standard processing. Regional processing (data residency) endpoints are charged a 10% uplift for models released on or after March 5, 2026, that are eligible for data residency. See our Your data guide for supported regions and processing details. All models Flex Short context Long context Model Input Cached input Cache writes Output Input Cached input Cache writes Output gpt-6-astra $5.00 $0.50 $6.25 $25.00 $10.00 $1.00 $12.50 $37.50 gpt-6-sol $1.00 $0.10 $1.25 $5.00 $2.00 $0.20 $2.50 $7.50 gpt-6-luna $0.05 $0.005 $0.0625 $0.25 $0.10 $0.01 $0.125 $0.375 For GPT-6 Sol and Luna, EU data residency is available only with Standard processing. Regional processing (data residency) endpoints are charged a 10% uplift for models released on or after March 5, 2026, that are eligible for data residency. See our Your data guide for supported regions and processing details. All models Fast mode Short context Long context Model Input Cached input Cache writes Output Input Cached input Cache writes Output gpt-6-astra $20.00 $2.00 $25.00 $100.00 $40.00 $4.00 $50.00 $150.00 gpt-6-sol $4.00 $0.40 $5.00 $20.00 $8.00 $0.80 $10.00 $30.00 gpt-6-luna $0.20 $0.02 $0.25 $1.00 $0.40 $0.04 $0.50 $1.50 For GPT-6 Astra, Sol, and Luna, EU data residency is available only with Standard processing. See Fast mode compatibility . Regional processing (data residency) endpoints are charged a 10% uplift for models released on or after March 5, 2026, that are eligible for data residency. See our Your data guide for supported regions and processing details. All models Cyber models Our latest Daybreak models. Prices per 1M tokens. Short context Long context Model Input Cached input Cache writes Output Input Cached input Cache writes Output gpt-5.6-sol $4.00 $0.40 $5.00 $20.00 $8.00 $0.80 $10.00 $30.00 gpt-5.6-cyber $12.50 $1.25 $15.625 $75.00 - - - - All models gpt-daybreak-blue-latest and gpt-daybreak-red-latest are aliases that currently point to gpt-5.6-sol and gpt-5.6-cyber , respectively. As new models are released through the Daybreak program, these aliases will be updated to point to the latest models, with pricing adjusted to match each underlying model. Multimodal models To estimate vision model input costs, use the image input cost calculator . GPT-Live sessions GPT-Live 1 voice sessions are billed per second, without rounding up to a whole minute. Backend model and tool usage is charged separately. Model Price per minute gpt-live-1 $0.05 Realtime and audio generation models Prices per 1M tokens unless noted.