kitio.aiKontext vs Adgentek
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Adgentek is completely free, while Kontext is paid.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Contextual ads for LLM apps
- Multimodal context signals
- Customizable ad formats
- Publisher ad server
- CPM-based buying
- Context-matched native ads
- Labeled sponsored slots
- Parallel ad requests
- Four tiers of demand
- JavaScript SDK
| Feature | Kontext | Adgentek |
|---|---|---|
| Best for | Ad platform that places contextual ads inside generative AI apps | Ad server that shows labeled native ads inside AI apps and chatbots |
| Category | Marketing | Marketing |
| Pricing model | Paid | Free |
| Starting price | See pricing page | Free |
| Free plan | No | Yes, fully free |
| Made by | Kontext | Adgentek |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Adgentek is completely free, while Kontext is paid.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Kontext
- Reaches users inside AI apps
- Low starting CPM
- Works across text, video and games
- Performance figures are self-reported
- Audience skews young
- Ad placement in chat may annoy some users
Adgentek
- Raw conversations never shared with buyers
- Does not slow model responses
- No traffic minimum or exclusivity
- Revenue share terms are not published
- Ads may still bother some users
- Only fits apps with conversational traffic
Which one should you choose?
Choose Kontext if you want:
- Reaches users inside AI apps
- Low starting CPM
- Works across text, video and games
Watch out: performance figures are self-reported.
Choose Adgentek if you want:
- Raw conversations never shared with buyers
- Does not slow model responses
- No traffic minimum or exclusivity
Watch out: revenue share terms are not published.
Kontext vs Adgentek FAQ
What is the difference between Kontext and Adgentek?
Kontext: Ad platform that places contextual ads inside generative AI apps. Adgentek: Ad server that shows labeled native ads inside AI apps and chatbots. Both are marketing tools.
Is Kontext or Adgentek cheaper?
Adgentek is completely free, while Kontext is paid.
Do Kontext and Adgentek have free plans?
Kontext: No. Adgentek: Yes, fully free.
Who makes Kontext?
Kontext is made by Kontext.
Who makes Adgentek?
Adgentek is made by Adgentek.
Which should I choose, Kontext or Adgentek?
Choose Kontext if you value reaches users inside ai apps and low starting cpm. Choose Adgentek if you value raw conversations never shared with buyers and does not slow model responses.