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GPT-5.5 Instant
Closed
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Tool use
Overview
Evaluations
Evaluation overview
Overall rank
#38
78.5 points · 180 models
Research rank
#28
90.2 points · 174 models
Data coverage
3 items
3 sources · updated through 2026-07-16
Domain performance
Research
#28 / 174
90.2
Vision
#19 / 65
84.7
Long context
#47 / 82
73.5
Evaluation highlights
All evaluations
Arena Text Rating
Reasoning · Arena.ai Text
1,473.07Elo
19
/ 354
Arena Vision Rating
Multimodal · Arena.ai Vision
1,276.07Elo
14
/ 121
Arena Document Rating
Long context · Arena.ai Document
1,402.96Elo
27
/ 28
Basic information
Context (input / output)
128K / -
Release date
2026-05
Input modalities
Text · Image
Output modalities
Text
Release date
2026-05-05
Related links
Official site
Version relationships
GPT-5.5 family
GPT-5.5
2026-04 · Same series
GPT-5.5 Pro
2026-04 · Same series
GPT-5.5 Instant
Current
2026-05 · Current model