openai

OpenAI: GPT-5.1 Chat

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 β€œthink” on...

Input Cost
$1.25
per 1M tokens
Output Cost
$10.00
per 1M tokens
Context Window
128,000
tokens
Compare vs GPT-4o
Developer ID: openai/gpt-5.1-chat

Related Models

openai
$10.00/1M

OpenAI: o3 Deep Research

o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex,...

πŸ“ 200,000 ctx Compare →
openai
$3.00/1M

OpenAI: GPT-3.5 Turbo 16k

This model offers four times the context length of gpt-3.5-turbo, allowing it to support a...

πŸ“ 16,385 ctx Compare →
openai
$1.00/1M

OpenAI: GPT-3.5 Turbo (older v0613)

GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language o...

πŸ“ 4,095 ctx Compare →