Claude Opus 5.5 (Low, Default Fallback) vs Llama 3.1 Instruct 70B

Claude Opus 5.5 (Low, Default Fallback) vs Llama 3.1 Instruct 70B. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Opus 5.5 (Low, Default Fallback)Off the frontier
Intelligence
42.30
Total cost
$860
MetaLlama 3.1 Instruct 70BNot ranked · benchmark data missing
Intelligence
6.60
Total cost
-
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.

MetricClaude Opus 5.5 (Low, Default Fallback)Llama 3.1 Instruct 70BDifference
Intelligence (higher is better)42.36.6−84.4% Llama 3.1 Instruct 70B is 84.4% less intelligent
Total AA cost (lower is better)$860.33Not reported— not comparable
End-to-end time (lower is better)13.42s14.53s+8.3% Llama 3.1 Instruct 70B is 8.3% slower
Price per 1M tokens (in / out)$4.00 / $20.0$0.56 / $0.56
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Opus 5.5 (Low, Default Fallback): what beats itLlama 3.1 Instruct 70B: what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5-low/llama-3-1-instruct-70b · Markdown: /api/v1/compare/claude-opus-5-5-low/llama-3-1-instruct-70b?format=md · llms.txt · agent skill