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GPT-5.2 Codex

OpenAIOpenRouter ↗Artificial Analysis ↗

Code-specialist GPT for repository edits, reviews, and long-running software agents

Benchmarks

BenchmarkCategoryScoreVariantProvenanceSourceObserved
AA Intelligence Indexintelligence28.5independentaaSep 9, 2026
Design Arena — androidnativepreference1176mirroropenrouterJul 23, 2026
Design Arena — fullstackpreference1002mirroropenrouterSep 15, 2026
Design Arena — godotgamedevpreference1142mirroropenrouterJul 23, 2026
Design Arena — mobileappspreference1119mirroropenrouterSep 19, 2026
Design Arena — webappspreference1066mirroropenrouterSep 19, 2026
LMArena WebDevpreference1339crowdlmarenaSep 11, 2026
Median output speedspeed152 tok/sindependentaaJul 25, 2026
Median time to first tokenspeed47.86sindependentaaJul 25, 2026

Includes index data from Artificial Analysis.

Providers

Live operational stats per hosting endpoint, via OpenRouter.

ProviderQuantContext$/1M in · outUptime 24hLatencyThroughput
Azure400K$1.75 · $14100.00%