Apertus 8B Instruct vs Claude 4.5 Sonnet (Reasoning)

Apertus 8B Instruct vs Claude 4.5 Sonnet (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

Swiss AI InitiativeApertus 8B InstructNot ranked · benchmark data missing
Intelligence
4.80
Total cost
-
AnthropicClaude 4.5 Sonnet (Reasoning)Off the frontier
Intelligence
20.70
Total cost
$1501
Verdict

Comparison incomplete

A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

MetricApertus 8B InstructClaude 4.5 Sonnet (Reasoning)Difference
Intelligence (higher is better)4.820.7+331.3% Claude 4.5 Sonnet (Re… is 4.3× more intelligent
Total AA cost (lower is better)Not reported$1,501.22— not comparable
End-to-end time (lower is better)7.20s20.89s+190.1% Claude 4.5 Sonnet (Re… is 190.1% slower
Price per 1M tokens (in / out)$0.10 / $0.20$3.00 / $15.0
Input modalitiesTextText, Image
Open this matchup in the interactive pickerApertus 8B Instruct: what beats itClaude 4.5 Sonnet (Reasoning): what beats it
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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/apertus-8b-instruct/claude-4-5-sonnet-thinking · Markdown: /api/v1/compare/apertus-8b-instruct/claude-4-5-sonnet-thinking?format=md · llms.txt · agent skill