Perplexity AI vs DeepSeek vs MostlyAI

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

Your tool
Perplexity AI
vs
Competitor 1
DeepSeek
Competitor 2
MostlyAI
Competitor 3
Compare
3 tools · best value per row highlighted
Your tool Perplexity AI
perplexity.ai
Search that gives answers instead of links
Competitor DeepSeek
deepseek.com
DeepSeek is an AI lab and chat assistant.
Competitor MostlyAI
mostly.ai
Traffic estimated monthly website traffic
Monthly visits
95.2Mvisits/mo
353.8Mvisits/mo
43.5Kvisits/mo
MoM change
▼ 8.2%
▲ 2.1%
▼ 22.5%
6-month growth
-42.9%
+0.9%
-35.7%
Global rank web
#446
#131
#791,007
Avg. last 3 months
104.9M
357.9M
55.6K
Bounce rate lower is better
33%
38%
39%
Pages / visit
3.6
3.4
1.8
Visit duration
4m 18s
5m 33s
22s
Traffic sources
● Direct 94% · ● Referral 4%
● Direct 95% · ● Referral 4%
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Perplexity AIDeepSeekMostlyAI
0107.6M215.2M322.8M430.4MPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MDeepSeek · 345.7MDeepSeek · 328.9MDeepSeek · 298.3MDeepSeek · 273.2MDeepSeek · 350.8MDeepSeek · 411.2MDeepSeek · 430.4MDeepSeek · 373.5MDeepSeek · 346.4MDeepSeek · 353.8MMostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5K10K100K1M10M100M1BPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MDeepSeek · 345.7MDeepSeek · 328.9MDeepSeek · 298.3MDeepSeek · 273.2MDeepSeek · 350.8MDeepSeek · 411.2MDeepSeek · 430.4MDeepSeek · 373.5MDeepSeek · 346.4MDeepSeek · 353.8MMostlyAI · 76.8KMostlyAI · 88.7KMostlyAI · 87.8KMostlyAI · 67.7KMostlyAI · 61.8KMostlyAI · 56.7KMostlyAI · 67.3KMostlyAI · 56.1KMostlyAI · 43.5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Starting price
$20per 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
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Capabilities input → output
Input
CodeDocumentsImagesText
CodeImagesText
DataText
Output
CodeText
CodeText
Data
Skill level
Beginner-friendly
Beginner-friendly
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
10
9
6
Chatbots
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Research
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Summarizing
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Homework assistance
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Writing
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AI search
–
–
Large language models
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Search engine
–
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Synthetic data
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–
Coding
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Data analysis
–
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Document summarization
–
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Research papers
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–
Translations
–
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Data anonymization
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Data privacy compliance
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Data science
–
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Developer tools
–
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Literature reviews
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Math
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 3
▲ 3
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
1
0
0
Verified listing
–
–
–

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.