GPT-4.1 vs GPT-5.5 Instant (June 2026)

GPT-4.1 vs GPT-5.5 Instant (June 2026). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

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-4.1GPT-5.5 Instant (June 2026)Difference
Intelligence (higher is better)12.726.0+104.7% GPT-5.5 Instant (June… is 2.0× more intelligent
Total AA cost (lower is better)Not reported$1,184.34— not comparable
End-to-end time (lower is better)3.57s16.68s+367.2% GPT-5.5 Instant (June… is 367.2% slower
Price per 1M tokens (in / out)$2.00 / $8.00$5.00 / $30.0
Input modalitiesText, ImageText, Image
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-4-1/gpt-5-5-instant-06-26 · Markdown: /api/v1/compare/gpt-4-1/gpt-5-5-instant-06-26?format=md · llms.txt · agent skill