Side vs Perplexity AI: Which is Better in 2026?
Choosing between Side and Perplexity AI comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Perplexity AI wins this matchup. ChatGPT is our overall AI Assistants pick. ChatGPT is our free AI Assistants pick. Pick Side if you need a fully free option.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Side
Your favorite AI models, always a keystroke away
Best for you if:
- • You want a fully free tool (Perplexity AI requires payment)
Perplexity AI
Get sourced, real-time answers with AI context
Best for you if:
- • You want great for research
| At a Glance | Side | |
|---|---|---|
Starts at | Free 100% free | Free Free plan |
Category | AI Assistants Productivity | AI Assistants AI Research |
Rating | n/a | 4.3/5 G2 4.4 · Capterra 4.2 388 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Enterprise pricing is custom, may have minimums |
Choose Side or Perplexity AI?
Choose Side if
- You want a fully free tool (Perplexity AI requires payment)
- You want quick access via a universal keyboard shortcut keeps you in your flow
- You want bring-your-own-provider approach means you control costs and data
Choose Perplexity AI if
- You want great for research
- You want sources cited
In-Depth Analysis
Side
Your favorite AI models, always a keystroke away
Strengths
- Pro: Quick access via a universal keyboard shortcut keeps you in your flow
- Pro: Bring-your-own-provider approach means you control costs and data
- Pro: Lightweight, unobtrusive interface that lives beside the Dock
Weaknesses
- Con: Requires your own AI provider account and may incur usage charges
- Con: Limited to text chat; doesn't read your screen or run shell commands
Key features
Perplexity AI
Get sourced, real-time answers with AI context
Perplexity AI's pricing is fair and competitive for the value delivered.
Watch out
Enterprise pricing is custom, may have minimums
Strengths
- Pro: Great for research
- Pro: Sources cited
- Pro: Real-time info
Weaknesses
- Con: Limited free tier
- Con: Not always accurate
Key features
Pricing: Side vs Perplexity AI
| Plan | Side | Perplexity AI |
|---|---|---|
| Tier 1 | N/A | 0 forever Free |
| Tier 2 | N/A | 20 /month Pro |
| Tier 3 | N/A | Custom /user/month Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Side pricing and Perplexity AI pricing.
Key Takeaways
Perplexity AI
- Free tier available
- Our pick for this comparison
Side
- Completely free
The Bottom Line
Perplexity AI wins this matchup. ChatGPT is our overall AI Assistants pick. ChatGPT is our free AI Assistants pick. That said, Side is free, hard to beat on price.
Frequently Asked Questions
Is Side or Perplexity AI better in 2026?
Perplexity AI wins this matchup. ChatGPT is our overall AI Assistants pick. ChatGPT is our free AI Assistants pick. Pick Side for AI assistants workflows (main strength: quick access via a universal keyboard shortcut keeps you in your flow). Pick Perplexity AI for AI assistants workflows (main strength: great for research).
What are Side and Perplexity AI used for?
Side: Your favorite AI models, always a keystroke away. Perplexity AI: Get sourced, real-time answers with AI context.
What does Side cost vs Perplexity AI?
Side is free. Perplexity AI pricing is on their site.
What's the main difference between Side and Perplexity AI?
Side's main strength: quick access via a universal keyboard shortcut keeps you in your flow. Perplexity AI's main strength: great for research.