Claude 4.1 Opus (Reasoning) vs K2 Horizon 0.9B

Claude 4.1 Opus (Reasoning) vs K2 Horizon 0.9B. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude 4.1 Opus (Reasoning)Not ranked · benchmark data missing
Intelligence
22.80
Total cost
-
Institute of Foundation ModelsK2 Horizon 0.9BNot ranked · benchmark data missing
Intelligence
3.00
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 4.1 Opus (Reasoning)K2 Horizon 0.9BDifference
Intelligence (higher is better)22.83.0−86.8% K2 Horizon 0.9B is 86.8% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)Not reportedNot reported— not comparable
Price per 1M tokens (in / out)$15.0 / $75.0—
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude 4.1 Opus (Reasoning): what beats itK2 Horizon 0.9B: 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-4-1-opus-thinking/k2-horizon-0-9b · Markdown: /api/v1/compare/claude-4-1-opus-thinking/k2-horizon-0-9b?format=md · llms.txt · agent skill