#OpenAI發布GPT-5.5

OpenAI officially released the new flagship AI large model GPT-5.5 on April 23, 2026. The model is positioned as the smartest and most intuitive model to date, focusing on enhancing "computer tool usage capabilities" and advancing toward AI super-application goals.

🚀 Core Highlights of GPT-5.5
Agent-level Intelligence: Not just simple chat conversations, but capable of understanding complex multi-step tasks, autonomous planning, tool usage, and self-checking.
Performance and Speed: Fast computation speed, consumes fewer tokens when handling the same tasks compared to GPT-5.4, significantly improving execution efficiency.
Wide Range of Applications: Excelling in programming and debugging, web data research, document or spreadsheet automation, and cutting-edge scientific research.

📊 Access Channels and Release Status
Applicable Plans Usage Rights
ChatGPT Plus / Pro Deployed and available for use

ChatGPT Business / Enterprise Deployed and can further access GPT-5.5 Pro via ChatGPT

Codex Development Platform Now live, supports agent-based programming

📊 Quick Comparison of Major Paid Plans for ChatGPT 2026
Plan Name Estimated Monthly Fee Core Features and Target Audience Key Restrictions / Privacy Policies
Go Plan Approximately $8 ~ $9 USD
(Approximately NT$290) A cost-effective entry-level paid plan
Suitable for users needing more quota than the free version but not requiring top-tier reasoning. Quota limit. Future may include ads, data default used for model training.
Plus Plan $20 USD
(Approximately NT$600~690) Mainstream flagship for individuals
Can use GPT-5.4, full deep research (Deep Research), and Sora video generation. 3-hour message limit protection. Data default used for training (can be turned off manually).
Pro Plan $100 / $200 USD
(Up to approximately NT$6,990) For advanced experts and developers
Removes conversation limits, focuses on GPT-5.5 Pro reasoning and Codex automation. Very high cost, mainly for business, engineering, and ultra-dense personal tasks.
Business Plan
(Former Team Plan) Per user about $25 ~ $30 USD
(Minimum purchase of 2 seats) Small to medium enterprises and team collaboration
Provides shared workspaces, message quotas usually higher than Plus. 💸 Business data is strictly confidential, not used for model training by default.
Enterprise Plan Negotiated based on scale
(Customized pricing) Large organizations and strict compliance
No usage limits, supports ultra-long context, and offers single sign-on (SSO) and top security protections. 💸 Ultimate security and control, enterprise data highly compliant and not used for training.
💡 Simple Guide to Choosing a Plan
Absolutely no money: start with the default free version.

Occasionally hitting quota limits or dislike ads: subscribe to the Go plan.

Mainly for daily work, needing the most powerful drawing, writing, dynamic visuals, and web research: subscribe to the Plus plan.

Professional software engineers and researchers writing complex code daily: choose the Pro plan.

Multiple users in a company, discussing trade secrets and personal data: always opt for Business or Enterprise plans.$BTC $DOGE $ETH