As of Nov 11, 2026, GPT-5 pro costs $15.00 per million input tokens and $120.00 per million output tokens from OpenAI. None of its 4 providers is cheaper than OpenAI. No price change since Appndo started tracking it on Nov 11, 2026. Recent price changes
Providers (4)
Sorted by your monthly estimate. Prices per million tokens. OpenAI also lists up to 272K output tokens per request.
OpenAIOfficial
- Input / output
- $15.00 / $120.00
- Context
- 400K
- Per month
- $390.00
gpt-5-pro
- Input / output
- $15.00 / $120.00
- Context
- 400K
- Per month
- $390.00
gpt-5-pro
- Input / output
- $15.00 / $120.00
- Context
- 400K
- Per month
- $390.00
openai/gpt-5-pro
- Input / output
- $15.00 / $120.00
- Context
- —
- Per month
- $390.00
replicate/openai/gpt-5-pro
Cloud and hosted providers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling.
Similar models
Common questions
How much does the GPT-5 pro API cost?
As of Nov 11, 2026, GPT-5 pro costs $15.00 per million input tokens and $120.00 per million output tokens at OpenAI's official price.
Where is GPT-5 pro cheapest?
As of Nov 11, 2026, none of its 4 providers charges less than OpenAI's official price.
What is the context length of GPT-5 pro?
GPT-5 pro takes up to 400K tokens of context through OpenAI's API.
How does GPT-5 pro compare with similar models?
GPT-5 pro has no LMArena score yet. Other OpenAI models and their cheapest price per million input / output tokens: gpt-oss-120b ($0.03 / $0.17), GPT-6 astra ($10.00 / $50.00), and GPT-6 luna ($0.10 / $0.50).