DeepSeek vs ChatGPT vs OpenAI API vs Z.ai

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
DeepSeek
vs
Competitor 1
ChatGPT
Competitor 2
OpenAI API
Competitor 3
Z.ai
Compare
4 tools · best value per row highlighted
Your tool DeepSeek
deepseek.com
DeepSeek is an AI lab and chat assistant.
Remove
Competitor ChatGPT
chatgpt.com
Your AI assistant for everything
Make main Remove
Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
Make main Remove
Competitor Z.ai
chat.z.ai
Z
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
353.8Mvisits/mo
5.6Bvisits/mo
15.2Mvisits/mo
10Mvisits/mo
MoM change
▲ 2.1%
▲ 3.5%
▲ 4.6%
▼ 12.3%
6-month growth
+0.9%
-1.6%
-2.4%
+44.6%
Global rank web
#131
#7
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—
Avg. last 3 months
357.9M
5.5B
15.2M
10.6M
Bounce rate lower is better
38%
30%
34%
25%
Pages / visit
3.4
4.3
5.4
3.2
Visit duration
5m 33s
6m 35s
3m 56s
19m 00s
Traffic sources
● Direct 95% · ● Referral 4%
● Direct 95% · ● Referral 3%
● Direct 82% · ● Referral 15%
● Direct 91% · ● Referral 8%
DeepSeekChatGPTOpenAI APIZ.ai
01.5B2.9B4.4B5.8BDeepSeek · 345.7MDeepSeek · 328.9MDeepSeek · 298.3MDeepSeek · 273.2MDeepSeek · 350.8MDeepSeek · 411.2MDeepSeek · 430.4MDeepSeek · 373.5MDeepSeek · 346.4MDeepSeek · 353.8MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MZ.ai · 4.2MZ.ai · 4.4MZ.ai · 5.4MZ.ai · 6.2MZ.ai · 6.9MZ.ai · 8.6MZ.ai · 8.5MZ.ai · 10.4MZ.ai · 11.4MZ.ai · 10M1M10M100M1B10BDeepSeek · 345.7MDeepSeek · 328.9MDeepSeek · 298.3MDeepSeek · 273.2MDeepSeek · 350.8MDeepSeek · 411.2MDeepSeek · 430.4MDeepSeek · 373.5MDeepSeek · 346.4MDeepSeek · 353.8MChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MZ.ai · 4.2MZ.ai · 4.4MZ.ai · 5.4MZ.ai · 6.2MZ.ai · 6.9MZ.ai · 8.6MZ.ai · 8.5MZ.ai · 10.4MZ.ai · 11.4MZ.ai · 10MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Free
Starting price
—
$8per month · free tier available
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Free
Free tier
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–
Free trial
–
–
–
API access
–
–
–
Plans
deepseek-flash Customdeepseek-v4-pro Custom
Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
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Capabilities input → output
Input
TextImagesCode
TextImagesDocumentsCodeAudio
TextImagesAudioDocuments
CodeDocumentsImagesText
Output
CodeText
TextImagesCodeAudio
VideoTextImagesCodeAudio
TextAppsCode
Skill level
Beginner-friendly
Beginner-friendly
Advanced
Intermediate
Categories
Chatbots & CompanionsDevelopment & CodeEducation & LearningWriting & Content+10 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Development & CodeAI APILarge Language Models (LLMs)
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+6 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
19
1
4
Chatbots
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Coding
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Large language models
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–
Research
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–
Summarizing
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–
Translations
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–
Writing
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–
APIs
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–
–
Agents
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–
–
Blogging
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–
–
Copywriting
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–
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Email writing
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–
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Essay writing
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Grammar checking
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–
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Homework assistance
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–
–
Image generation
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–
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Image to text
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–
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Search engine
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–
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Code documentation
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–
–
Debugging
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–
–
Image editing
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–
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Image to image
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–
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Math
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–
–
Refactoring
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–
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Community on aitoolstime
Rating
no ratings yet
★ 4.34 ratings
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 17
▲ 1
▲ 1
Saves
0
4
0
0
Reviews
0
4
0
0
Prompts
0
17
0
0
Verified listing
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–
–
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.