Claude Fable 5.1 (High, Default Fallback) vs gpt-oss-120b (Low)

Claude Fable 5.1 (High, Default Fallback) vs gpt-oss-120b (Low). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Fable 5.1 (High, Default Fallback)Off the frontier
Intelligence
51.20
Total cost
$5242
OpenAIgpt-oss-120b (Low)Not ranked · benchmark data missing
Intelligence
10.20
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 Fable 5.1 (High, Default Fallback)gpt-oss-120b (Low)Difference
Intelligence (higher is better)51.210.2−80.1% gpt-oss-120b (Low) is 80.1% less intelligent
Total AA cost (lower is better)$5,241.59Not reported— not comparable
End-to-end time (lower is better)28.41s9.89s−65.2% gpt-oss-120b (Low) is 65.2% faster
Price per 1M tokens (in / out)$10.0 / $50.0$0.13 / $0.59
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Fable 5.1 (High, Default Fallback): what beats itgpt-oss-120b (Low): 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-fable-5-1-high/gpt-oss-120b-low · Markdown: /api/v1/compare/claude-fable-5-1-high/gpt-oss-120b-low?format=md · llms.txt · agent skill