Pricing | OpenAI API

StandardShort contextLong contextModelInputCached inputCache writesOutputInputCached inputCache writesOutputgpt-5.6-sol$4.00$0.40$5.00$20.00$8.00$0.80$10.00$30.00gpt-5.6-terra$2.00$0.20$2.50$12.00$4.00$0.40$5.00$18.00gpt-5.6-luna$0.20$0.02$0.25$1.20$0.40$0.04$0.50$1.80Regional 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. OpenAI models in Amazon Bedrock are billed through AWS and may differ from direct OpenAI pricing.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. Cyber modelsOur latest Daybreak models.Prices per 1M tokens. Short contextLong contextModelInputCached inputCache writesOutputInputCached inputCache writesOutputgpt-5.6-sol$4.00$0.40$5.00$20.00$8.00$0.80$10.00$30.00gpt-5.6-cyber$12.50$1.25$15.625$75.00---- daybreak-blue-latest and daybreak-red-latest are aliases that currently point to gpt-5.6-sol and gpt-5.6-cyber, respectively. As new frontier 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. Realtime and audio generation models Prices per 1M tokens unless noted. ModelModalityInputCached inputOutput / costgpt-realtime-2.1Audio$32.00$0.40$64.00Text$4.00$0.40$24.00Image$5.00$0.50-gpt-realtime-2.1-miniAudio$10.00$0.30$20.00Text$0.60$0.06$2.40Image$0.80$0.08- StandardFor image generation cost estimates, use the calculator in the image generation guide.ModelModalityInputCached inputOutputgpt-image-2Image$8.00$2.00$30.00Text$5.00$1.25- StandardModelSizePortraitLandscapePrice per secondsora-2720p720x12801280x720$0.10sora-2-pro720p720x12801280x720$0.301024p1024x17921792x1024$0.501080p1080x19201920x1080$0.70 Transcription models Prices per 1M tokens unless noted. ModelUse caseInputOutputEstimated costgpt-realtime-translateLive translation--$0.034 / minutegpt-live-transcribeLive transcription--$0.017 / minutegpt-realtime-whisperLive transcription--$0.017 / minutegpt-transcribeTranscription--$0.0045 / minutegpt-4o-transcribeTranscription$2.50$10.00$0.006 / minutegpt-4o-mini-transcribeTranscription$1.25$5.00$0.003 / minute Tools ToolDetailsPricingWeb searchWeb search (all models)$10.00 / 1k calls+ Search content tokens billed at model rates.Image Web search (all models)$10.00 / 1k calls+ Search content tokens billed at model rates.Web search preview (reasoning models, including gpt-5, o-series)$10.00 / 1k calls+ Search content tokens billed at model rates.Web search preview (non-reasoning models)$25.00 / 1k calls+ Search content tokens are free.ContainersHosted Shell and Code Interpreter1 GB $0.03, 4 GB $0.12, 16 GB $0.48, 64 GB $1.92 per 20-minute session per container.File searchStorage$0.10 / GB per day (1 GB free)Tool call$2.50 / 1k callsAgent KitChatKit file and image upload storage$0.10 / GB-day after 1 GB free per account per month Tokens used for built-in tools are billed at the chosen model's per-token rates. GB refers to binary gigabytes (also known as gibibytes), where 1 GB is 2^30 bytes. Web search content tokens are tokens retrieved from the search index and fed to the model alongside your prompt to generate an answer. For gpt-4o-mini and gpt-4.1-mini with the non-preview web search tool, search content tokens are billed as a fixed block of 8,000 input tokens per call. File search tool call pricing applies to the Responses API only. Container pricing includes Hosted Shell and Code Interpreter. Eligible container sessions will be billed by the minute, with a 5-minute minimum per session. Responses API, Chat Completions API, Realtime API, Batch API, and Assistants API are not priced separately. Tokens are billed at the chosen model's input and output rates. StandardCategoryModelInputCached inputOutputChatGPTchat-latest$5.00$0.50$30.00Codexgpt-5.3-codex$1.75$0.175$14.00 OpenAI is winding down the fine-tuning platform. The platform is no longer accessible to new users, but existing users of the fine-tuning platform will be able to create training jobs for the coming months.All fine-tuned models will remain available for inference until their base models are deprecated. The full timeline is here.StandardModelTrainingInputCached inputOutputo4-mini-2025-04-16$100.00 / hour$4.00$1.00$16.00o4-mini-2025-04-16with data sharing$100.00 / hour$2.00$0.50$8.00 Tokens used for model grading in reinforcement fine-tuning are billed at that model's per-token rate. Inference discounts are available if you enable data sharing when creating the fine-tune job. Learn more.