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GPT-5.5

OpenAIOpenRouter ↗Artificial Analysis ↗

Default frontier GPT for coding, computer use, research, and knowledge work

Benchmarks

BenchmarkCategoryScoreVariantProvenanceSourceObserved
AA Agentic Indexagentic44.9mirroropenrouterJul 23, 2026
44.9independentaaJul 24, 2026
AA Coding Indexcoding74.9mirroropenrouterJul 23, 2026
74.9independentaaJul 24, 2026
AA Intelligence Indexintelligence54.8mirroropenrouterJul 23, 2026
54.8independentaaJul 24, 2026
Design Arena — 3dpreference1251mirroropenrouterJul 23, 2026
Design Arena — agenticgamedevpreference1192mirroropenrouterJul 23, 2026
Design Arena — agentichtmlslidespreference1084mirroropenrouterJul 23, 2026
Design Arena — agenticslidespreference1150mirroropenrouterJul 23, 2026
Design Arena — agenticslides(html)preference1077mirroropenrouterJul 23, 2026
Design Arena — agenticslides(python-pptx)preference1155mirroropenrouterJul 23, 2026
Design Arena — androidnativepreference1239mirroropenrouterJul 24, 2026
Design Arena — asciiartpreference1286mirroropenrouterJul 24, 2026
Design Arena — codecategoriespreference1284mirroropenrouterJul 24, 2026
Design Arena — datavizpreference1289mirroropenrouterJul 24, 2026
Design Arena — fullstackpreference1142mirroropenrouterJul 23, 2026
Design Arena — gamedevpreference1343mirroropenrouterJul 23, 2026
Design Arena — godotgamedevpreference1187mirroropenrouterJul 23, 2026
Design Arena — htmlslidespreference1086mirroropenrouterJul 24, 2026
Design Arena — mobileappspreference1219mirroropenrouterJul 24, 2026
Design Arena — pptxslidespreference1157mirroropenrouterJul 23, 2026
Design Arena — python-pptxslidespreference1152mirroropenrouterJul 23, 2026
Design Arena — svgpreference1275mirroropenrouterJul 23, 2026
Design Arena — uicomponentpreference1292mirroropenrouterJul 24, 2026
Design Arena — webappspreference1171mirroropenrouterJul 24, 2026
Design Arena — websitepreference1281mirroropenrouterJul 23, 2026
LMArena Textpreference1490crowdlmarenaJul 21, 2026
1488high-effortcrowdlmarenaJul 21, 2026
LMArena Visionpreference1296crowdlmarenaJul 21, 2026
1296high-effortcrowdlmarenaJul 21, 2026
Median output speedspeed70 tok/sindependentaaJul 24, 2026
Median time to first tokenspeed93.20sindependentaaJul 24, 2026

Includes index data from Artificial Analysis.

Providers

Live operational stats per hosting endpoint, via OpenRouter.

ProviderQuantContext$/1M in · outUptime 24hLatencyThroughput
Azure1.1M$5 · $30100.00%
Azure1.1M$5.5 · $33100.00%
OpenAI1.1M$5 · $3098.37%
OpenAI1.1M$2.5 · $1598.37%
OpenAI1.1M$12.5 · $7598.37%