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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 — 3dpreference1049mirroropenrouterJul 23, 2026
Design Arena — asciiartpreference1146mirroropenrouterJul 23, 2026
Design Arena — codecategoriespreference1126mirroropenrouterJul 24, 2026
Design Arena — datavizpreference1131mirroropenrouterJul 23, 2026
Design Arena — gamedevpreference1151mirroropenrouterJul 23, 2026
Design Arena — svgpreference1026mirroropenrouterJul 23, 2026
Design Arena — uicomponentpreference1120mirroropenrouterJul 24, 2026
Design Arena — websitepreference1138mirroropenrouterJul 23, 2026
LMArena WebDevpreference1240crowdlmarenaJul 21, 2026

Includes index data from Artificial Analysis.

Providers

Live operational stats per hosting endpoint, via OpenRouter.

ProviderQuantContext$/1M in · outUptime 24hLatencyThroughput
Azure400K$0.25 · $299.98%
OpenAI400K$0.25 · $249.13%