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GPT-5.1 Codex mini

OpenAIOpenRouter ↗

Coding-optimized GPT model for repository edits, reviews, and agentic software work

Benchmarks

BenchmarkCategoryScoreVariantProvenanceSourceObserved
Design Arena — 3dpreference1017mirroropenrouterSep 17, 2026
Design Arena — asciiartpreference1123mirroropenrouterSep 18, 2026
Design Arena — codecategoriespreference1107mirroropenrouterSep 21, 2026
Design Arena — datavizpreference1112mirroropenrouterSep 16, 2026
Design Arena — gamedevpreference1116mirroropenrouterSep 18, 2026
Design Arena — svgpreference1001mirroropenrouterSep 20, 2026
Design Arena — uicomponentpreference1097mirroropenrouterSep 20, 2026
Design Arena — websitepreference1123mirroropenrouterSep 11, 2026
LMArena WebDevpreference1244crowdlmarenaSep 11, 2026

Includes index data from Artificial Analysis.

Providers

Live operational stats per hosting endpoint, via OpenRouter.

ProviderQuantContext$/1M in · outUptime 24hLatencyThroughput
Azure400K$0.25 · $2100.00%