Skip to main content
Back to models

Model comparison

Compare model identity and capabilities.

Selected

o3

openai/o3

OpenAI / o-series

View model

Deliberate o-series reasoner for hard math, coding, and multi-step analysis

Released
2025-04-16
Context window
200K
Max output
100K
Weights
Closed
Modalities
TextInputImageInputDocumentInputTextOutput
Capabilities
AttachmentsReasoningTool callStructured
Providers
AbacusAnyAPIAzureAzure Cognitive ServicesCloudflare AI GatewayGitHub ModelsHeliconeJiekou.AIKilo GatewayLLM GatewayMerge GatewayNanoGPTNEAR AI CloudOpenAIOpenRouterPoeVercel AI Gateway

Select at least two models to compare.

Compare models
1 models selected
Compare