After the Donald Trump administration labeled Anthropic a supply chain risk in March 2026, following the company’s refusal to allow Claude to be used in autonomous weapons systems, the backlash against OpenAI’s competing Pentagon agreement drove an estimated 700,000 ChatGPT cancellations. Claude’s paid subscriptions more than doubled, and its iOS application reached number one on the App Store.
The Pentagon Situation
Anthropic doesn't allow use of its models for fully autonomous weapons or mass domestic surveillance. When the US military used Claude during a January raid to capture Venezuelan President Nicolás Maduro, Anthropic objected. The Trump administration then labeled Anthropic a supply chain risk and told federal agencies to stop using it.
However, reports showed the US military continued using Claude for intelligence work, target selection, and battlefield simulations during the US-Israel strikes on Iran, despite the ban. Defense Secretary Pete Hegseth said the military would keep access to Anthropic services for up to six months while switching providers.
OpenAI reached a new agreement to run its models on classified Defense Department networks. CEO Sam Altman said the deal still follows OpenAI's own rules, which ban mass domestic surveillance and require human oversight over use of force.
Shift in the Market
Many users disagreed with the OpenAI agreement. Around 700,000 users reportedly cancelled ChatGPT. Claude's iOS app hit the number one free app spot on the App Store. ChatGPT dropped to second, Gemini to fourth.
Anthropic says free users are up over 60% since January, daily signups tripled since November, and paid subscriptions more than doubled this year.
Claude Outage
Following the surge in users, today, on March 2, Anthropic's Claude went down. Users faced complete outages. Reports peaked at nearly 2,000 on Downdetector within a short period. In total, around 10,000 reports were submitted. Anthropic said the Claude API was working fine, and that the failures were limited to the claude.ai website.
Switching from ChatGPT to Claude
Most users avoid switching AI tools because they don't want to lose their conversation history. Anthropic built a few ways to fix this.
The fastest option is the Import Memory feature. You paste a prompt from Anthropic into ChatGPT, copy the output, and paste it into Claude's memory settings. Done in under a minute.
For a full data transfer, you can export your entire ChatGPT history through settings. It takes 24-48 hours to receive the zip file. You then upload it into a Claude Project, giving Claude access to your full history.
You can also download individual ChatGPT conversations as markdown files and upload them directly into Claude.
Claude vs ChatGPT Comparision
Both ChatGPT Plus and Claude Pro cost $20 per month via web version.
In terms of input tokens, GPT-5 is cheaper than Claude Sonnet 4.6.
Claude Sonnet 4.6 is priced at $3 per million input tokens and $15 per million output tokens. GPT-5 starts at $1.25 per million input tokens and $10.00 per million output tokens, while GPT-5.2 is priced at $1.75 per million input tokens and $14 per million output tokens.
However, Claude is better at coding, generates more cautious and structured answers, and works well with large documents and code. Claude Pro is a better choice for coding quality, and its output is often more natural and context-aware. Claude Pro is also well suited for large documents, long-form summarization, and prototypes, while ChatGPT Plus is better for image generation, video with Sora, and web research.
In one comparison, Claude 4.6 Sonnet outperformed ChatGPT 5.2 on most tests.
Claude did better at step-by-step reasoning, financial analysis, and tone control.
ChatGPT does better at explaining complex topics in simple language and storytelling.
For day-to-day professional work, reviewers currently rate Claude as the better tool.
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