GPT-5.5 Pro
AvailableGPT-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...
- Context
- 1.1M tokens
- Max output
- 128K tokens
- Input / 1M tokens
- $30.00per 1M tokens
- Output / 1M tokens
- $180.00per 1M tokens
- Listed since
- Apr 24, 2026
Prices and model data from OpenRouter
Where it's availableProviders · 1
| Provider | Input / 1M tokens | Output / 1M tokens | Status |
|---|---|---|---|
| OpenRouter | $30.00 | $180.00 | Available |
Published benchmark results
From independent leaderboards, each credited to its publisher.