openai/gpt-5.5-pro
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
| Provider | In $/M | Out $/M | Context | Uptime |
|---|---|---|---|---|
| OpenAI | $30.00 | $180.00 | 1.1M | 100% |
GPT-5.5 Pro costs $30.00 per million input tokens and $180.00 per million output tokens via OpenRouter, making it 294th cheapest of 298 paid models.
GPT-5.5 Pro generates around 45 tokens per second with 49.0s time-to-first-token (p50), the 189th fastest tracked model.
GPT-5.5 Pro supports a 1.1M-token context window and can output up to 128K tokens. It accepts file, image, text input.