GPT-5.5 by OpenAI
GPT-5.5 is OpenAI's current frontier model for professional workloads: long context, stronger reasoning, and tighter token use on hard jobs. Compare it side by side with Claude and Gemini to judge reliability, writing style, and cost on prompts you actually run.
Specs
| Context window | 1.05M tokens |
|---|---|
| Max output | 128K tokens |
| Input modalities | file, image, text |
| Output modalities | text |
| Price (input) | $5.00 / 1M tokens |
| Price (output) | $30.00 / 1M tokens |
| Web search | Yes |
| Vision | Yes |
| Thinking | Yes |
Related models
Last updated 2026-10-31 from the CompareIntel model registry and an OpenRouter spec snapshot dated 2026-10-25. Pricing and context figures follow OpenRouter.