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Model · Artificial Analysis

Anthropic/Claude Sonnet 5.5 (Low, Default Fallback)

Benchmark data by Artificial Analysis.

Author / organizationAnthropic
AccessHosted API (no weights listed here)
Price per million tokens$2 in · $10 out
Intelligence Index35.9
Output speed106 tokens/s
Tasktext-generation
Created28 September 2026
Last updated at source—
hostedtext-generation
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Popularity, last 3 days

3,590 now. Counts as reported by the source, snapshotted daily by Silytics.

Reported results

DatasetMetricValue
Artificial AnalysisHumanity's Last Exam0.362
Artificial AnalysisIntelligence Index35.9
Artificial AnalysisSciCode0.491
Artificial Analysislcr0.76
Artificial Analysisterminalbench v4 00.2071

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

02.557.51010-1510-1610-17Input · 10-15: 2Input · 10-16: 2Input · 10-17: 2Output · 10-15: 10Output · 10-16: 10Output · 10-17: 10
InputOutput

Output speed (tokens per second)

05010015020010-1510-1610-17Speed · 10-15: 90.9Speed · 10-16: 101.527Speed · 10-17: 105.546

More from Anthropic

Silytics shows public metadata from Artificial Analysis and links to the original. Information may be incomplete or out of date. Last refreshed 17 October 2026. Licenses and terms of the original apply to the work itself. Not financial, legal or professional advice.