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GPT-5.4 Pro
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Tool use · Reasoning
Overview
Pricing
Evaluations
Evaluation overview
Overall rank
#8
88.8 points · 180 models
Research rank
#7
97.3 points · 174 models
Data coverage
13 items
2 sources · updated through 2026-04-23
Domain performance
Research
#7 / 174
97.3
Agents
#8 / 125
91
Evaluation highlights
All evaluations
GPQA-Diamond
Reasoning · OpenAI GPT-5.5 Release
94.4%
3
/ 126
HLE (w/ Tools)
Agents · OpenAI GPT-5.5 Release
58.7%
1
/ 37
Frontier Science Research
Reasoning · OpenAI GPT-5.4 Release
36.7%
1
/ 14
BrowseComp
Agents · OpenAI GPT-5.5 Release
89.3%
4
/ 44
HLE (Humanity's Last Exam)
Reasoning · OpenAI GPT-5.5 Release
42.7%
6
/ 57
ARC-AGI-2 (Verified)
Reasoning · OpenAI GPT-5.5 Release
83.3%
2
/ 8
Basic information
Context (input / output)
1.1M / 128K
Release date
2026-03
Input modalities
Text · Image
Output modalities
Text
Availability
OpenAI
Full pricing
Input
$30 /1M
Output
$180 /1M
Related links
Official site
Version relationships
GPT-5.4 family
GPT-5.4
2026-03 · Same series
GPT-5.4 Pro
Current
2026-03 · Current model
GPT-5.4 mini
2026-03 · Same series
GPT-5.4 nano
2026-03 · Same series