Apertus 8B Instruct vs GPT-5.1 Codex mini (High)

Apertus 8B Instruct vs GPT-5.1 Codex mini (High). 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
-
OpenAIGPT-5.1 Codex mini (High)Not ranked · benchmark data missing
Intelligence
20.40
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.

MetricApertus 8B InstructGPT-5.1 Codex mini (High)Difference
Intelligence (higher is better)4.820.4+325.0% GPT-5.1 Codex mini (H… is 4.3× more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)7.35s10.10s+37.4% GPT-5.1 Codex mini (H… is 37.4% slower
Price per 1M tokens (in / out)$0.10 / $0.20$0.25 / $2.00
Input modalitiesTextText, Image
Open this matchup in the interactive pickerApertus 8B Instruct: what beats itGPT-5.1 Codex mini (High): what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/apertus-8b-instruct/gpt-5-1-codex-mini · Markdown: /api/v1/compare/apertus-8b-instruct/gpt-5-1-codex-mini?format=md · llms.txt · agent skill