GPT-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...
| Provider | openai |
|---|---|
| Input price | $5.00 / 1M tokens |
| Output price | $30.00 / 1M tokens |
| Context window | 1050k tokens |
| Max output | 128k tokens |
| Modalities | file, image, text |
| Model ID | openai/gpt-5.5 |
A 1,000-token prompt with a 500-token answer on OpenAI: GPT-5.5 costs roughly $0.02000. Use the OpenRouter cost calculator to price your own prompt across 400+ models, or the token counter to measure prompt length first.
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