OpenAI
GPT-5.5 Instant
Compact GPT model for low-latency assistance and high-volume workloads
openai/gpt-5.5-instant
Context
400K
Output
128K
Released
2026-05-05
Knowledge cutoff
2025-12-01
Types
InputTextImagePDF
OutputText
Reasoning
Supported
Tool use
Supported
Structured output
Supported
Attachments
Supported
Open weights
—
Provider pricing
ZenMux
InTextImagePDF
OutText
- Price
- $5.00 / $30.00
- Context
- 400K
- Status
- Stable