GPT 5.1 Thinking (Fast)

gpt

Vercel AI Gateway · openai/gpt-5.1-thinking-fast

Capabilities

Tool CallYes

ReasoningYes

Structured OutputNo

Temperature ControlNo

AttachmentsYes

Open WeightsNo

Input

textimagepdf

Output

text

Input$2.50

Output$20.00

Cache Read$0.25

Direct installation coming soon — March 2026

ProviderVercel AI Gateway

Model IDopenai/gpt-5.1-thinking-fast

Familygpt

Release Date2025-11-12

Last Updated2025-11-12

Context400K

Max Input272K

Max Output128K

@ai-sdk/gateway