ChatGPT was likely the first experience many users had with Large Language Models (LLMs), rapidly attracting massive numbers of users following its launch in 2022.
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It enjoyed a virtually unchallenged position in the market for a period, until Anthropic launched its assistant, Claude, in March 2023.
Since then, both companies have continuously developed their models and introduced new features.
However, the strong similarities between the two platforms—particularly with both offering coding tools and dedicated workspaces—make determining the better choice no easy task, according to a report published by Engadget.
In daily use, you might not notice a significant difference between the two; both are capable of writing code, answering quick questions, summarizing documents, organizing files, and even writing opinion pieces in a famous literary style if desired.
Yet, once you move to more complex applications, choosing the AI model suited to your needs becomes far more critical.
Evaluating the accuracy of AI models is not simple, as there is no definitive answer that applies to every scenario. Both the specific model used and how prompt instructions are phrased heavily influence output quality.
For flagship models—Claude Fable 5 (Max) and GPT-5.6 Sol (Max)—Claude holds a slight edge according to the AA-Omniscience Accuracy benchmark.
Claude achieves an accuracy score of 61%, compared to 59% for ChatGPT.
Given how narrow this gap is, users are unlikely to notice it in daily tasks.
However, most users will not consistently rely on the most powerful models available, especially if they do not need to process vast amounts of code.
This is where mid-tier models step in: Sonnet 5 in Claude and GPT-5.6 Terra in ChatGPT.
In this comparison, the balance shifts in favor of ChatGPT, with GPT-5.6 Terra (Max) scoring an accuracy rate of 46%, compared to 38% for Claude Sonnet 5 (Max).
Another crucial factor when evaluating accuracy is a model's tendency to fabricate information, or "hallucinate."
An AI model is expected to decline answering when it lacks information rather than making up an incorrect response.
The AA-Omniscience Hallucination Rate benchmark measures this aspect, where Claude maintains a distinct advantage over ChatGPT. In this test, lower percentages indicate better performance.
Claude Fable 5 records a hallucination rate of 55%, compared to 89% for ChatGPT 5.6 Sol.
The gap widens further among mid-tier models; Claude Sonnet 5 logs a hallucination rate of 37%, compared to 85% for ChatGPT 5.6 Terra.
Usage patterns for Claude and ChatGPT vary significantly from person to person.
According to the Anthropic Economic Index report published in March 2026, 42% of Claude conversations were personal, 45% were work-related, and the remainder pertained to studies.
In contrast, a similar report from OpenAI indicates that 70% of ChatGPT usage is non-work-related.
Among Claude's standout features is Claude Cowork, launched in January 2026, which can execute cognitive tasks on behalf of the user—such as organizing files.
The platform also allows users to create custom instruction sets known as Skills, which can be invoked during conversations using the "/" symbol.
Additionally, Claude offers Artifacts, a feature capable of displaying code, single-page HTML sites, interactive React components, and diagrams directly. These Artifacts can also be shared and published online.
ChatGPT supports the concept of Skills as well, though its implementation differs.
In ChatGPT, Skills are restricted to individual users within Codex and the API interface, and cannot be used in standard chats.
By contrast, Skills in Claude can be utilized across standard chats, Claude Cowork, and Claude Code.
ChatGPT features a similar function to Artifacts called Sites, but it targets enterprise and internal use, and is available exclusively within Codex.
Another key distinction is that ChatGPT Sites cannot access live data, whereas Claude Artifacts can do so through connected applications and Model Context Protocol (MCP) connectors.
Certain features appear better executed in ChatGPT, most notably voice conversations. ChatGPT's voice sounds more natural, and users can interrupt and speak while it is talking without losing context.
For real-time assistance, ChatGPT also enables live video usage within Advanced Voice Mode, allowing users to point their camera at a problem and request assistance.
Furthermore, ChatGPT includes image generation capabilities that produce photorealistic imagery, whereas Claude remains limited to generating diagrams, charts, and interactive elements using HTML and SVG.
Although newer ChatGPT models perform better than earlier iterations on most AA-Omniscience tests, some users feel the application's overall user experience has declined.
This feeling is not necessarily an illusion, as there are areas where previous models performed better.
Hallucination rates are a prime example. According to the AA-Omniscience benchmark itself, GPT-4o had a hallucination rate of roughly 38%, compared to 89% for GPT-5.6 Sol.
OpenAI has also introduced additional guardrails and controls as the industry evolved, which can sometimes lead to noticeable shifts in tone and response style from one update to the next.
Another factor is OpenAI's rollout of advertisements within its free tier and ChatGPT Go, whereas Anthropic enhanced Claude's free tier by adding new features while keeping the service ad-free.
With OpenAI losing money even on certain paid subscribers—and CEO Sam Altman previously describing ads as a "last resort"—it is logical for some users to anticipate a potential decline in the free user experience going forward.
There is another reason behind Claude's surge in downloads alongside declining interest in ChatGPT among certain users in recent months.
In February 2026, a deal between Anthropic and the US Department of War collapsed, and the company was classified as a supply chain risk after refusing to allow its models to be used for mass domestic surveillance and fully autonomous weapons.
Hours later, OpenAI announced it had signed a similar agreement with the US government to replace Anthropic, subject to certain safeguards.
This decision prompted a segment of users to move to Claude, as Anthropic gained a reputation among them as the company more committed to AI ethics.
Both Claude and ChatGPT offer free plans providing access to mid-tier models—Sonnet 5 in Claude and GPT-5.5 in ChatGPT.
However, the main distinction is that ChatGPT displays ads within its free tier.
Claude's paid tiers include:
Pro: $20 per month, or $17 per month billed annually.
Max 5x: $100 per month, offering usage limits five times higher than the Pro plan.
Max 20x: $200 per month, offering usage limits 20 times higher than the Pro plan.
Paid tiers grant access to flagship models and Claude Code.
Pro subscribers are subject to a token-based usage system when using Fable 5, whereas Max 5x and Max 20x subscribers can allocate 50% of their weekly usage limits to Fable 5.
Once limits are reached, additional usage credits can be purchased.
ChatGPT's pricing structure is largely similar, offering plans at $20, $100, and $200 per month with increased usage limits and access to flagship models.
Access to Codex is available for free, though lower usage limits make practical utility limited.
Unlike Claude, ChatGPT also offers an $8 per month plan that provides higher usage limits while continuing to display ads.
There is no clear winner in the competition between Claude and ChatGPT; the choice depends largely on your specific usage.
If your priorities are minimizing hallucinations, file organization, Artifacts, and complex cognitive tasks, Claude may be the better fit.
If you require natural voice interactions, real-time video assistance, image generation, and a broader ecosystem of tools, ChatGPT may be the superior option.
For the average user, both platforms remain fully capable of handling most day-to-day tasks efficiently, but key differences emerge clearly when using AI tools for more specialized and complex workflows.
(Al Arabiya)
