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...
- Context window: 1.1M tokens
- Max output: 128K tokens
- Reads: file, image, text
- Writes: text