Claude Opus 5.5 (Xhigh, Default Fallback) vs Llama 3.1 Instruct 8B

Claude Opus 5.5 (Xhigh, Default Fallback) vs Llama 3.1 Instruct 8B. 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 (Xhigh, Default Fallback)On the frontier
Intelligence
56.00
Total cost
$4057
MetaLlama 3.1 Instruct 8BNot ranked · benchmark data missing
Intelligence
6.90
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 (Xhigh, Default Fallback)Llama 3.1 Instruct 8BDifference
Intelligence (higher is better)56.06.9−87.7% Llama 3.1 Instruct 8B is 87.7% less intelligent
Total AA cost (lower is better)$4,056.65Not reported— not comparable
End-to-end time (lower is better)123.06s4.64s−96.2% Llama 3.1 Instruct 8B is 96.2% faster
Price per 1M tokens (in / out)$4.00 / $20.0$0.04 / $0.07
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Opus 5.5 (Xhigh, Default Fallback): what beats itLlama 3.1 Instruct 8B: 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-xhigh/llama-3-1-instruct-8b · Markdown: /api/v1/compare/claude-opus-5-5-xhigh/llama-3-1-instruct-8b?format=md · llms.txt · agent skill