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Model · Artificial Analysis

OpenAI/GPT-5.5 Instant (May 2026)

Benchmark data by Artificial Analysis.

Author / organizationOpenAI
AccessHosted API (no weights listed here)
Price per million tokens$5 in · $30 out
Intelligence Index22.7
Tasktext-generation
Created5 May 2026
Last updated at source—
hostedtext-generation
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Popularity, last 6 days

2,270 now. Counts as reported by the source, snapshotted daily by Silytics.

Reported results

DatasetMetricValue
Artificial AnalysisGPQA0.846
Artificial AnalysisHumanity's Last Exam0.216
Artificial AnalysisIntelligence Index22.7
Artificial Analysisifbench0.715
Artificial Analysislcr0.6633
Artificial Analysistau20.4942
Artificial Analysisterminalbench hard0.4242

Reported by the model's authors in the model card. Not independently verified, and setups differ between authors, so scores from different models are not always comparable. Each value links to its source.

Price and speed history

USD per million tokens

07.51522.53010-1510-1610-1710-1810-1910-20Input · 10-15: 5Input · 10-16: 5Input · 10-17: 5Input · 10-18: 5Input · 10-19: 5Input · 10-20: 5Output · 10-15: 30Output · 10-16: 30Output · 10-17: 30Output · 10-18: 30Output · 10-19: 30Output · 10-20: 30
InputOutput

Output speed (tokens per second)

00.30.50.8110-1510-1610-1710-1810-1910-20Speed · 10-15: 0Speed · 10-16: 0Speed · 10-17: 0Speed · 10-18: 0Speed · 10-19: 0Speed · 10-20: 0

More from OpenAI

Silytics shows public metadata from Artificial Analysis and links to the original. Information may be incomplete or out of date. Last refreshed 20 October 2026. Licenses and terms of the original apply to the work itself. Not financial, legal or professional advice.