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Model spotlight
GPT-5.5 Instant
Compact GPT model for low-latency assistance and high-volume workloads
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GPT-5.5 Instant FAQ
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Model family
GPT
-
Focus areas
ReasoningGenerative AI
Core specifications
Released
2026-05-05
Context window
400K
Max output
128K
Weights
Closed
Modalities
Input
DocumentImageText
Output
Text
Identity
- Version
- gpt-5.5-instant
- Knowledge cutoff
- 2025-12-01
- Aliases
- GPT-5.5 Instant
Capabilities
AttachmentsReasoningStructuredTemperatureTool call
Capabilities and fit
Model summary
Compact GPT model for low-latency assistance and high-volume workloads
Text
AttachmentsReasoningStructuredTemperatureTool call
- Output
- Text
- Capabilities
- 5
- Catalog updated
- 2026-05-28T00:00:00.000Z
- Status