GPT-5.5 Instant
Compact GPT model for low-latency assistance and high-volume workloads
ReasoningTool CallingAttachmentsStructured Output
Context Window
400K
Max Output
128K
Temperature
Yes
Open Weights
No
Knowledge Cutoff
2025-12-01
Released
2026-05-05
Last Updated
2026-05-28
Modalities
Input:TextImagePDF
→Output:Text
Available Providers (1)
| Provider | Input /1M | Output /1M | Cache Read /1M | Cache Write /1M | Reasoning | Status |
|---|---|---|---|---|---|---|
 ZenMux | Rp 90.169 | Rp 541.012 | Rp 9.017 | — | effort | — |