Models/openai/OpenAI: GPT-5.1 Chat
openai

OpenAI: GPT-5.1 Chat

128K context$1.25/M input$10.00/M output
openai/gpt-5.1-chat

Description

GPT-5.1 Chat (AKA Instant is the fast, lightweight member of the 5.1 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...

Quick Start

curl https://router.tangle.tools/v1/chat/completions \
  -H "Authorization: Bearer $TANGLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.1-chat",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Modalities

Input: FileInput: ImageInput: TextOutput: Text

Pricing

Input$1.25/M
Output$10.00/M
Context128K tokens

Model Info

Provideropenai
IDopenai/gpt-5.1-chat