GPT-5.6 Terra (High) vs Grok 3

GPT-5.6 Terra (High) vs Grok 3. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5.6 Terra (High)Off the frontier
Intelligence
34.20
Total cost
$768
SpaceXAIGrok 3Not ranked · benchmark data missing
Intelligence
12.10
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.

MetricGPT-5.6 Terra (High)Grok 3Difference
Intelligence (higher is better)34.212.1−64.6% Grok 3 is 64.6% less intelligent
Total AA cost (lower is better)$767.78Not reported— not comparable
End-to-end time (lower is better)6.43s7.57s+17.7% Grok 3 is 17.7% slower
Price per 1M tokens (in / out)$2.00 / $12.0$3.00 / $15.0
Input modalitiesText, ImageText
Open this matchup in the interactive pickerGPT-5.6 Terra (High): what beats itGrok 3: what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-terra-high/grok-3 · Markdown: /api/v1/compare/gpt-5-6-terra-high/grok-3?format=md · llms.txt · agent skill