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April 23, 2026
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ChatGPT5.5Version update5.5Apr 23, 2026

Stronger agentic coding with better planning, debugging, testing, refactoring, and long-horizon execution across real engineering workflows.

Higher-quality outputs with fewer retries and fewer tokens, improving efficiency without sacrificing serving speed.

More reliable tool use and computer interaction, including navigating software, operating across apps, and completing messy multi-step tasks with less hand-holding.

Better performance on knowledge work such as research, data analysis, document creation, spreadsheets, and slide generation, with more concise and useful results.

Clear gains in scientific and technical workflows, especially where progress depends on sustained reasoning, evidence gathering, and iterative problem solving

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499,119
4.2(332)82
Inputs:
APICodeImageTextVideoAudio
Outputs:
CodeText
SOTA
AgentsAPI
Automated conversational interface for maximum efficiency
ChatGPT website
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Overview

ChatGPT is OpenAI’s conversational AI that uses advanced language models to generate human-like responses across text, code, and other content formats. It helps users with a wide range of tasks including writing, brainstorming, summarizing, coding, translating, answering questions, and more.

ChatGPT supports multimodal inputs like text and images and can engage in complex reasoning and problem-solving. It maintains conversational context to deliver coherent, personalized experiences across sessions. ChatGPT can connect to productivity tools like Gmail and Google Calendar (with user permission), helping users manage tasks, write emails, and schedule meetings.

It is widely used by individuals, educators, developers, and businesses for everything from creative ideation to technical assistance. The platform is accessible through free and paid tiers, with premium users receiving higher usage limits and access to advanced tools and personalization features.

Whether for work, learning, or everyday help, ChatGPT serves as a reliable and versatile AI assistant.
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Releases

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ChatGPT 5.5
Apr 6, 2026
Stronger agentic coding with better planning, debugging, testing, refactoring, and long-horizon execution across real engineering workflows.

Higher-quality outputs with fewer retries and fewer tokens, improving efficiency without sacrificing serving speed.

More reliable tool use and computer interaction, including navigating software, operating across apps, and completing messy multi-step tasks with less hand-holding.

Better performance on knowledge work such as research, data analysis, document creation, spreadsheets, and slide generation, with more concise and useful results.

Clear gains in scientific and technical workflows, especially where progress depends on sustained reasoning, evidence gathering, and iterative problem solving
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$20/month
Billing frequency
Monthly
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