OpenAI: GPT-5.1 Chat Multimodal

By OpenAI

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...

OpenRouter rank

#221

0.00% share

Context window

128K tokens

Input price

$1.25 / 1M tok

Output price

$10.0 / 1M tok

Modalities

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External ID

openai/gpt-5.1-chat

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