All Models
GPT-5.5 (OpenAI)
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
Benchmarks
Available Providers (1)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 LLM Gateway | openai/gpt-5.5 | $5/MTok | $30/MTok | 1.1M | 128K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output