OpenAI
GPT-5.5 Pro
Canonical ID:
openai/gpt-5.5-pro
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
Overview
Pricing and Limits
Token pricing
- Input
- $30/1M
- Output
- $180/1M
- Cached input
- N/A
Context and output
- Context window
- 1,050,000
- Max output tokens
- 128,000
- Qualified ID
- openai/gpt-5.5-pro
Model Summary
GPT-5.5 Pro is a model listing in the OpenAI provider catalog. It is categorized under the gpt-pro family.
The model supports text, image, pdf modalities across input/output paths. Reported context capacity is 1,050,000. Pricing is listed at $30/1M input and $180/1M output.
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Same Family: gpt-pro
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