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OpenAI

GPT 5.5 Xhigh

new

Rank 3 of 45 · release 2026-06-25 · $5 in / $30 out per MTok

Global average

80.2

first appearance

Signal breakdown

Category scores

Reasoning

89.7

Coding

82.2

Agentic Coding

54.0

Mathematics

95.9

Data Analysis

81.6

Language

87.4

Instruction Following

70.7

Trend

Score history

7881832026-06-25

One release on record — the line starts next release.

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Detail

Per-task scores

TaskCategoryScore
zebra_puzzleReasoning100.0
tablereformatData Analysis100.0
connectionsLanguage100.0
integrals_with_gameMathematics99.0
spatialReasoning98.0
AMPS_HardMathematics97.0
math_compMathematics96.1
olympiadMathematics91.3
consecutive_eventsData Analysis88.8
typosLanguage88.0
theory_of_mindReasoning84.6
code_completionCoding82.6
code_generationCoding81.7
logic_with_navigationReasoning76.0
plot_unscramblingLanguage74.1
story_generationInstruction Following72.5
summarizeInstruction Following72.3
paraphraseInstruction Following71.7
simplifyInstruction Following66.3
javascriptAgentic Coding63.6
tablejoinData Analysis55.9
pythonAgentic Coding55.0
typescriptAgentic Coding43.3