All Models

GPT 5.1 Thinking

gptReasoningTool CallingAttachments

Compact GPT model for low-latency assistance and high-volume workloads

Providers2
ReleasedNov 12, 2025
Input Modalitiestext, image, pdf
Output Modalitiestext, image
Tarsk Usecoding

Available Providers (2)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
Vercel AI Gatewayopenai/gpt-5.1-thinking$1.25/MTok$10/MTok400K128K
Vercel AI Gatewayopenai/gpt-5.1-thinking-fast$2.50/MTok$20/MTok400K128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output