GPT-5.3 Chat

gpt-5.3-chat

OpenAI's conversation-optimized model — fluent long-form chat, creative dialogue, and vision on 128K tokens.

ConversationCreativityVision

Technical Specifications

API Identifier	`gpt-5.3-chat`
Plans	Basic Pro
Maximum Context	128 000 tokens
Vision (images)	✓ Yes
Native Web Access	No
Image Generation	No
Input Cost	$3.00 / M tokens
Output Cost	$12.00 / M tokens

Overview

GPT-5.3 Chat is OpenAI's model specifically tuned for long-form, fluent conversation and creative dialogue. With a 128K token context and vision support, it maintains coherence and personality across extended multi-turn interactions. It is an excellent choice for conversational applications, creative writing projects, and tasks requiring sustained engagement on Basic and Pro plans.

Strengths

Conversational FluencyCreative DialogueVisionLong Context

Ideal Use Cases

Extended Conversations

Long multi-turn dialogues maintaining coherence, personality, and context throughout.

Creative Writing Collaboration

Co-writing stories, developing characters, brainstorming creative ideas in dialogue.

AI Assistants & Chatbots

Build conversational AI experiences that feel natural and engaging for end users.

Visual Conversation

Discuss and analyze images in a conversational context with fluid follow-up questions.

Pricing

Input Tokens

$3.00

per million tokens

Output Tokens

$12.00

per million tokens

Related Models

Frequently Asked Questions

Is GPT-5.3 Chat available on the Basic plan?

Yes, GPT-5.3 Chat is available on both Basic and Pro plans on Mingo.

Does GPT-5.3 Chat support vision?

Yes, GPT-5.3 Chat supports vision for analyzing images within conversations.

What is the difference between GPT-5.3 Chat and GPT-5.2 Chat?

GPT-5.3 Chat offers better conversational fluency and improved creative capabilities compared to GPT-5.2 Chat.

Use GPT-5.3 Chat with Mingo

Mingo selects GPT-5.3 Chat for your conversational and creative tasks on Basic and Pro plans.

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