DeepSeek vs Claude
A free open model and Anthropic's assistant, compared plainly. Both are in Chatly.
Where each one wins
DeepSeek wins

Price to start
DeepSeek's app is free with no paid plan. Claude's free plan has Sonnet 5.5; Pro is $20.
DeepSeek wins

Open weights
DeepSeek V4's weights are open under the MIT licence. Claude's models are closed.
- Tie

Longest input
Both read about a million tokens.
Claude wins

Where your data is kept
DeepSeek's privacy policy says it stores personal data in China, and several governments have restricted its app. Anthropic is a US company.
Claude wins

Coding
Claude's paid plans include Claude Code, an agent that works in your codebase. DeepSeek's app has no coding agent.
DeepSeek and Claude at a glance
| Feature | ||
|---|---|---|
| Made by | DeepSeek | Anthropic |
| Newest models | DeepSeek V4 and V4.1 Flash | Claude Fable 5.1, Opus 5.5 and Sonnet 5.5 |
| In Chatly | Yes: DeepSeek V4 | Yes, every model above |
| Free plan | Yes. The app is free | Yes, with Sonnet 5.5 |
| Paid plans | No paid plan for the app; the API is paid by use | Pro $20 a month ($17 billed yearly). Max $100 or $200 |
| Makes images | No image generation in the app | No. It makes charts and diagrams, not pictures |
| Web search | Yes, web search | Yes. Research on Pro and up |
Or use both, in one place
DeepSeek's own app is free, and Claude Pro is $20 a month. In Chatly both sit in one model picker, with GPT, Gemini and more. Ask in the box above, then switch models in the same chat.
DeepSeek V4Sharp reasoning, deep analysis.
Claude Opus 5.5NEWAnthropic's newest Opus.
Claude 5 OpusNEWFrontier agentic coding & enterprise work.
Pricing
| Plan | ||
|---|---|---|
| Free | $0, the app is free | $0, Sonnet 5.5 |
| Cheapest paid | No paid plan | Pro, $20 a month ($17 billed yearly) |
| Main paid plan | No paid plan | Pro, $20 a month |
| Heavy use | API, paid by the token | Max, $100 or $200 a month |
| Teams | None for the app | $25 a seat a month ($20 billed yearly) |
Prices in US dollars. Taxes and local prices vary.
Then put the answer to work
The same plan runs the agent behind the chat. It makes the files, not just the text, and works with Gmail, Slack and 40+ other apps.

Turn an answer into slides
A deck with real charts and speaker notes, ready to present or edit.

Write the document
Reports, proposals, contracts and invoices, formatted and ready to send.

Build the spreadsheet
Budgets, trackers and models that arrive built, filled in and charted.

Publish a website
A landing page or a full site, live on its own link from one request.

Make the images
Product shots, headshots and social posts from the top image models.

Research with sources
Deep research that reads the web for you and cites every claim.
Chatly plans
Three plans, and Teams on top: pick how long you pay for, and how many credits.
Standard
$18/ month, billed quarterly
Perfect for getting started with AI
Subscribe7K credits / month
- Flash and Pro modes
- 3 concurrent agent tasks
- 2 scheduled tasks
- Connect up to 2 apps, like Gmail and Slack
- 2 knowledge bases
- Commercial usage rights
- Build and publish websites
- Create presentation-ready slides
- Deep research with citations
- Generate docs, sheets and audio
- Generate images and videos
Professional
$36/ month, billed quarterly
More credits, more room to create
Subscribe- Flash, Pro and Ultra modes
- 5 concurrent agent tasks
- 5 scheduled tasks
- Connect up to 5 apps, like Gmail and Slack
- 5 knowledge bases
- Commercial usage rights
- Build and publish websites
- Create presentation-ready slides
- Deep research with citations
- Generate docs, sheets and audio
- Generate images and videos
- AI ad creator
- AI video editor
Ultra
$183/ month, billed quarterly
Built for power users who never hit limits
Subscribe- Flash, Pro and Ultra modes
- Unlimited concurrent agent tasks
- 25 scheduled tasks
- Connect all 40+ apps
- 25 knowledge bases
- Commercial usage rights
- Build and publish websites
- Create presentation-ready slides
- Deep research with citations
- Generate docs, sheets and audio
- Generate images and videos
- AI ad creator
- AI video editor
- Early access to new models
Chatly for Teams: pooled credits and shared seats, from three seats. Talk to us
Which should you choose?
Choose DeepSeek if
- You want a strong model at no cost
- You want open weights you can run yourself
- You mostly need maths, text and code in a chat
Choose Claude if
- You want Claude Code in your codebase
- You prefer a provider that does not store data in China
- You want Projects to keep long work in one place
Common questions
Is DeepSeek better than Claude?
DeepSeek V4 is free and open and strong at maths and code. Claude adds Claude Code, Projects and a US-based provider. Ask both the same question and compare.
Is DeepSeek safe compared with Claude?
DeepSeek's privacy policy says it stores personal data in China, and several governments restrict its app. In Chatly, DeepSeek V4 runs through DeepSeek's own API, so take the same care with what you send it.
Is DeepSeek free?
Yes. DeepSeek's app is free and has no paid plan. Claude has a free plan and paid plans from $20 a month.
Which DeepSeek and Claude models are in Chatly?
DeepSeek V4, and Claude Opus 5.5, Fable 5.1, Sonnet 5.5 and earlier Claude models.
Can I use DeepSeek and Claude in one place?
Yes. Chatly puts DeepSeek V4 and Claude models in one model picker with Claude, GPT, Gemini, Grok, DeepSeek and others, under one plan. Ask on one model, then switch and ask again in the same chat.
Product names belong to their owners and are used here only to compare. No endorsement is implied.
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Brief a job on the train, approve the plan, and watch it finish. Every project you start here is on your phone.
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The agent on your desktop, with the files, screenshots and spreadsheets you already have to hand.
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