OpenAI: GPT-5.5 Pro
7.6 / 10
1.1M context
Proprietary
About this model
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...
Benchmark Scores
HLE
57.2
GPQA-Diamond
93.92
Technical Specs
- Architecture: text+image+file->text
- Context Window: 1,050,000 tokens
- Input Modalities: text
Hardware Requirements
- API-only (no local hardware needed)
Pricing
| Input | Output | Currency |
|---|---|---|
| 30.0 / 1M tokens | 180.0 / 1M tokens | USD |