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GPT-5.5 Instant (2026-06-25 hosted snapshot)

OpenAI · 2026-06-25

GPT-5.5 Instant hosted snapshot dated June 25, 2026 by Artificial Analysis. It is represented as a benchmark entry because the evaluator does not identify an immutable released API artifact for this snapshot.

Benchmark scores

BenchmarkScore
AA-LCR64.0
AA-Omniscience Index3.5
Artificial Analysis Agentic Index11.0
Artificial Analysis Coding Index39.4
Artificial Analysis Intelligence Index28.9
Artificial Analysis Omniscience Accuracy44.1
Artificial Analysis Omniscience Hallucination Rate72.7
AutomationBench-AA1.4
CritPt0.0
GDPval-AA v2722
GDPval-AA v2 (normalized)11.1
GPQA Diamond82.3
Humanity's Last Exam (Text-Only)18.6
SciCode48.6
SciCode (Artificial Analysis)48.6
Terminal-Bench 2.134.8
𝜏³-Banking11.5
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