OpenAI · Active
o3-2025-04-16
o family · launched 2025-04-16
MultimodalReasoningToolsStructuredAITopic score43.3Not yet ranked
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output200k / 100ktokens
Cache / input / output$0.5 · $2 · $8USD per million tokens
Value / freshness31.4 / 32relative value · release freshness
What this model supports
Strengths by domain
Every result has a source
Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.
Human preference & indices2 results
AA IndexArtificial Analysis61.03 indexReading 43.3
Arena TextLMArena1,409.8 EloReading 43.3
Direct LMArena text leaderboard result.
Open evidence