Back to models
available
GPT 5.5 (Fast)
openai/gpt-5-5-fastPrices
- Input
$12.50 per 1M tokens
low- Input (cached read)
$1.25 per 1M tokens
low- Output
$75.00 per 1M tokens
low
Specifications
- Provider
- openai
- Context window
- 1,000,000
- Max output tokens
- 128,000
- Open weights
- no
- Released
- 04/23/2026
- Retires
- no date announced
- First seen by this tracker
Price history
No price of this model has changed since we started tracking it.
- Input
- 12.5 per 1M tokens, unchanged since 09/14/2026
- Output
- 75 per 1M tokens, unchanged since 09/14/2026
- Input (cached read)
- 1.25 per 1M tokens, unchanged since 09/14/2026