ChatGPT vs Claude: which one to choose?

We compare ChatGPT and Claude on price, devices, difficulty and who each one suits, using the data on their DOA pages.

ChatGPT

OpenAI's general assistant for writing, reasoning, file analysis and coding. The most familiar starting point for almost any AI task.

Claude

Anthropic model, excellent for long documents, analysis and coding with a more careful tone.

DOA verdict for writing

ChatGPT wins

88.5 ChatGPT · 84.7 Claude / 100

Daily writing, studying and first contact with AI. Very easy to use and versatile.

Why

  • DOA score in writing · ChatGPT: 93/100 vs 88/100
  • Free version · ChatGPT: 72/100 vs 68/100
  • Ease of use: tie
  • Devices: tie

Pick Claude if…

Developers and document-heavy analysts. High writing and reasoning quality.

How we decide: this verdict uses a formula of its own for comparisons, different from the DOA score: DOA score in writing (60%), free version (20%), ease of use (10%) and devices (10%). Data from each tool page, reviewed on 14 October 2026. How we calculate the DOA score and the verdict

ChatGPTClaude
DevicesBrowser · Windows · Mac · Android · iPhone / iPadBrowser · Windows · Mac · Android · iPhone / iPad
LevelEasyEasy
What it is forWriting Getting work done Research Study CodingWriting Coding Research Getting work done
DOA score93/10088/100
Key features
  • Multimodal chat with text, image and voice
  • Projects, memory and custom GPTs
  • Web browsing and document analysis
  • Very large context window
  • Artifacts to preview code and documents live
  • Projects and file workflows
Pros
  • Very easy to use and versatile
  • Huge GPT and plugin ecosystem
  • High writing and reasoning quality
  • Excellent with code and long briefs
Cons
  • Free plan gets congested at peak hours
  • Can hallucinate facts with overconfidence
  • Stricter usage limits on the free tier
  • Fewer plugins than ChatGPT

On the overall DOA score, ChatGPT gets 93/100 and Claude 88/100. It is an indicative rating: try both on a real task before you pay.

ChatGPT and Claude side by side: plans, models and privacy

Only facts from their official sites, linking each source. If the site doesn't publish something, we say so.

Data checked on 9 October 2026.

ItemChatGPTClaude
Free planUnlimited text chats (with abuse guardrails). Limited uploads, image creation, voice and deep research.source: chatgpt.com (opens in a new tab)Everyday use with limits that reset every 5 hours, no fixed message count. Pro gives at least 5x more usage per session.source: claude.com (opens in a new tab)
Cheapest paid planGo: €8/month. Plus: €23/month (Spain prices on the official page).source: chatgpt.com (opens in a new tab)Pro: US$20/month (US$17/month billed annually), excluding tax.source: claude.com (opens in a new tab)
Top planPro: from €103/month in Spain, in three usage tiers. The help centre lists US$ prices: Pro 100, Pro 200 and Pro 500 at US$100, US$200 and US$500/month. Monthly billing only.source: chatgpt.com (opens in a new tab) · help.openai.com (opens in a new tab)Max: from US$100/month.source: claude.com (opens in a new tab)
Models by plan
  • Free, Go: GPT-6 Luna
  • Plus, Pro: + GPT-6 Astra, GPT-6.1 Sol
source: chatgpt.com (opens in a new tab) · 26 September 2026
  • Free: Claude Haiku 4.5, Claude Sonnet 5.5
  • Pro, Max: + Claude Fable 5.1, Claude Opus 5.5
source: claude.com (opens in a new tab) · 26 September 2026
Documented featuresCodex included (limited on Free and Go). Pro includes Pro models, Codex, deep research, image creation, memory and file uploads.source: chatgpt.com (opens in a new tab) · help.openai.com (opens in a new tab)Claude Code included in all paid plans. Pro gives at least 5x the free plan's usage per session. Claude Cowork is now simply Claude, on Pro and Max.source: claude.com (opens in a new tab)
Privacy: does it train on your chats?OpenAI may use your chats to train its models; turn it off in Settings › Data controls (“Improve the model for everyone”). Temporary chats are not used.source: help.openai.com (opens in a new tab)The official table lists model training as “opt-out” on Free, Pro and Max: Anthropic uses your chats if you allow it in privacy settings. Incognito chats are not used.source: claude.com (opens in a new tab) · privacy.claude.com (opens in a new tab)
Apps and platformsBrowser · Windows · Mac · Android · iPhone / iPadper the DOA tool page (updated 14 October 2026)Browser · Windows · Mac · Android · iPhone / iPadper the DOA tool page (updated 13 October 2026)
Best model in the DOA rankingGPT-6.1 Sol: 92.4/100 · position 3AI modelsClaude Opus 5.5: 100.0/100 · position 1AI models

Key differences

  • Free plan: ChatGPT allows unlimited text chats with abuse guardrails; Claude has limits that reset every 5 hours, with no fixed message count.
  • Entry paid plan: ChatGPT Go costs €8/month and Plus €23/month in Spain (chatgpt.com/pricing, 14 Oct 2026); Claude Pro US$20/month or US$17/month billed annually, excluding tax.
  • Top plan: ChatGPT Pro (the most expensive), US$500/month; Claude Max from US$100/month.
  • Coding: ChatGPT includes Codex (limited on Free and Go); Claude includes Claude Code in all paid plans.
  • Training: both let you exclude your chats in settings; ChatGPT temporary chats and Claude incognito chats are not used.

The DOA model ranking averages two external sources. We show the best-scoring model among those our table places in a plan of each app.

Model quality: DOA model ranking (average of Arena and Epoch AI, no DOA opinion) →

ChatGPT is a better fit for

  • Daily writing, studying and first contact with AI
  • Teams that want one familiar general assistant

Claude is a better fit for

  • Developers and document-heavy analysts
  • Professional writing and internal policies

More comparisons