Zenmux

GPT-5.1 Chat

Name: GPT-5.1 Chat
Brand: Zenmux

Canonical ID: zenmux/openai/gpt-5.1-chat

More Zenmux models More gpt-5.1-chat family models

Chat-tuned GPT model for conversational assistance, writing, and tool workflows

Reasoning: No Tool use: Yes

Overview

pdf image text

Provider: Zenmux
Family: gpt-5.1-chat
Release date: 2025-11-13
Last updated: 2025-11-13
Input modalities: pdf, image, text
Output modalities: text

Pricing and Limits

Token pricing

Input: $1.25/1M
Output: $10/1M
Cached input: N/A

Context and output

Context window: 128,000
Max output tokens: 64,000
Qualified ID: zenmux/openai/gpt-5.1-chat

Model Summary

GPT-5.1 Chat is a model listing in the Zenmux provider catalog. It is categorized under the gpt-5.1-chat family.

The model supports pdf, image, text modalities across input/output paths. Reported context capacity is 128,000. Pricing is listed at $1.25/1M input and $10/1M output.

Same Family: gpt-5.1-chat

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
GPT-5.1 Chat azure/gpt-5.1-chat	Azure	128,000	$1.25/1M	$10/1M	Reasoning Tools
GPT-5.1 Chat azure_cognitive_services/gpt-5.1-chat	Azure Cognitive Services	128,000	$1.25/1M	$10/1M	Reasoning Tools
OpenAI: GPT-5.1 Chat kilo/openai/gpt-5.1-chat	Kilo Gateway	128,000	$1.25/1M	$10/1M	Tools
OpenAI: GPT-5.1 Chat openrouter/openai/gpt-5.1-chat	OpenRouter	128,000	$1.25/1M	$10/1M	Tools

GPT-5.1 Chat

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

More From Zenmux

Agnes 1.5 Lite

Agnes 1.5 Pro

baidu/ernie-5.0-thinking-preview

baidu/ernie-x1.1-preview

Claude 3.5 Haiku

Claude 3.5 Sonnet (Retiring Soon)

Claude 3.7 Sonnet

Claude Fable 5

Same Family: gpt-5.1-chat