GPT-5.5 pro
OpenAI1.05M context
As of Oct 14, 2026, GPT-5.5 pro costs $30.00 per million input tokens and $180.00 per million output tokens from OpenAI. None of its 3 sellers is cheaper than OpenAI.
Official price from OpenAI
Pricing pagePer million tokens
- Input
- $30.00
- Output
- $180.00
- Cached input
- —
- Batch input / output
- —
- Long prompts are priced higher above a context threshold; these are the starting prices.
- Up to 128K output tokens per request.
Estimate your monthly cost
Est. per month = input tokens × input price + output tokens × output price. Prices are per million tokens, so 10M input tokens at $3.00 cost $30.
From OpenAI: $660.00 a month.
Where to buy it (3)
Sorted by your monthly estimate. Prices per million tokens.
- Input / output
- $30.00 / $180.00
- Context
- 1.05M
- Per month
- $660.00
aihubmix/gpt-5.5-pro
OpenAIOfficial
- Input / output
- $30.00 / $180.00
- Context
- 1.05M
- Per month
- $660.00
gpt-5.5-pro
- Input / output
- $30.00 / $180.00
- Context
- 1.05M
- Per month
- $660.00
openai/gpt-5.5-pro
Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling, Web search.