GPT-5.5 (batch)
OpenAI
openai/gpt-5.5:batchGPT-5.5 is OpenAI's April 2026 flagship model, excelling at coding, research, data analysis, and agentic tool use with reduced hallucination in sensitive domains. This is the batch variant for cheaper asynchronous processing.
Cost rate
3x
Context
1.1M
Released
Apr 24, 2026
Input
FileImageText
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Document analysis
#7 · top 18%
Business, Management, & Finance
#12 · top 3%
Image understanding
#12 · top 8%
Mathematical
#13 · top 4%