GPT-5.5
OpenAIGPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
In
$5.00
Out
$30.00
Blended
$11.25
Where to buy this model
3 access routes| Route | In | Out | Blended | vs |
|---|---|---|---|---|
| $2.50 | $15.00 | $5.63 | - | |
| $5.00 | $30.00 | $11.25 | +100% | |
 Amazon Bedrock | $5.50 | $33.00 | $12.38 | +120% |
● official API · ● cloud platform · ● inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.
- Ctx
- 1.05M
- max output
- 128K
- cache read /1M
- $0.50
- Family
- gpt
- Modalities
- file · image · text
- Features
- json · reasoning · tools
Live pricing, updated 2026-09-15.