OpenAI · Pricing Plans

Openai Plans Pricing

OpenAI per-token API pricing across the GPT-5 family. Standard tier; regional data residency adds 10% uplift; Batch and Flex pricing offer reductions.

6 Plans API Commons Plans
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AILLMGPTFoundation Models

Plans

GPT-5.5 usage-based

Flagship general-purpose model.

Input tokens (tokens · usage) 5.00 USD
Output tokens (tokens · usage) 30.00 USD
Cached input (tokens · usage) 0.50 USD
GPT-5.5 Pro usage-based

Highest reasoning tier.

Input tokens (tokens · usage) 30.00 USD
Output tokens (tokens · usage) 180.00 USD
GPT-5.4 usage-based

Mid-tier balanced model.

Input tokens (tokens · usage) 2.50 USD
Output tokens (tokens · usage) 15.00 USD
Cached input (tokens · usage) 0.25 USD
GPT-5.4 Mini usage-based

Cost-optimized model.

Input tokens (tokens · usage) 0.75 USD
Output tokens (tokens · usage) 4.50 USD
Cached input (tokens · usage) 0.075 USD
GPT-5.4 Nano usage-based

Cheapest model in the lineup.

Input tokens (tokens · usage) 0.20 USD
Output tokens (tokens · usage) 1.25 USD
Cached input (tokens · usage) 0.02 USD
GPT Realtime 1.5 usage-based

Realtime voice/audio model (text rates shown).

Input text tokens (tokens · usage) 4.00 USD
Output text tokens (tokens · usage) 16.00 USD
Cached text (tokens · usage) 0.40 USD

Sources