GPT-5.1

gpt

LLM Gateway · gpt-5.1

Capabilities

Tool CallYes

ReasoningYes

Structured OutputYes

Temperature ControlNo

AttachmentsYes

Open WeightsNo

Input

textimage

Output

text

Input$1.25

Output$10.00

Cache Read$0.13

Direct installation coming soon — March 2026

ProviderLLM Gateway

Model IDgpt-5.1

Familygpt

Knowledge Cutoff2024-09-30

Release Date2025-11-13

Last Updated2025-11-13

Context400K

Max Input272K

Max Output128K

@ai-sdk/openai-compatible