gpt-5.5
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OpenAI model gpt-5.5. Prices are in US dollars per million tokens.
Current price, since 2026-05-12: input $5.00, output $30.00, cached input $0.50.
Matches OpenAI's pricing page, checked 2026-10-22 21:28 UTC.
Price a request with this model.
Standard price history#
| From | Input | Cached input | Cache write | Output | Longer prompts | Dated by | Source |
|---|---|---|---|---|---|---|---|
| 2026-05-12 | $5.00 | $0.50 | $30.00 | above 272K: in $10.00, cached $1.00, out $45.00 | models.dev commit | link | |
| 2026-04-24 | $5.00 | $0.50 | $30.00 | above 200K: in $10.00, cached $1.00, out $45.00 | models.dev commit | link | |
| 2026-04-23, first record | $5.00 | $0.50 | $30.00 | models.dev commit | link |
Fast mode price history#
| From | Input | Cached input | Cache write | Output | Longer prompts | Dated by | Source |
|---|---|---|---|---|---|---|---|
| 2026-04-23, first record | $12.50 | $1.25 | $75.00 | models.dev commit | link |
A blank cache price is charged at the input price. Longer prompts list the prices for requests whose whole prompt exceeds the size given.
import model_prices
model_prices.rates("gpt-5.5", provider="openai")