Have I Been Trained? vs Substack’s new tool tells you who’s been writing their newsletters with AI: Which AI Content Detection Tool Is Better for visual artists & photographers, newsletter readers?
Have I Been Trained? (Check if your images were used in AI training datasets.) and Substack’s new tool tells you who’s been writing their newsletters with AI (Detects AI-generated content in Substack newsletters for readers.) are two of the most-used AI Content Detection in our directory. This breakdown compares their pricing, free tier, API access, popularity, and verified ratings side by side so you can shortlist the right fit.
Have I Been Trained? and Substack’s new tool tells you who’s been writing their newsletters with AI both appear in AI Content Detection. Have I Been Trained? focuses on Artists verifying if their work was used in AI training. Substack’s new tool tells you who’s been writing their newsletters with AI focuses on Readers evaluating newsletter authenticity before subscribing.
This comparison explains who should choose each tool, how they differ on pricing, API fit, enterprise readiness, and security — with a clear recommendation for common buyer scenarios.
Quick Verdict
Best overall
Choose the right tool
Choose Have I Been Trained? if
- You need visual artists & photographers
- You need content creators
- You need privacy-conscious individuals
- You prefer a consumer-friendly product experience
- Your primary job is artists verifying if their work was used in ai training
Avoid if
- You primarily need only covers some datasets, not all ai training data
- You primarily need cannot remove images already in datasets
- You primarily need search results depend on image quality and metadata
Choose Substack’s new tool tells you who’s been writing their newsletters with AI if
- You need newsletter readers
- You need content curators
- You need substack subscribers
- You prefer a consumer-friendly product experience
- Your primary job is readers evaluating newsletter authenticity before subscribing
Avoid if
- You primarily need detection accuracy depends on ai writing sophistication level
- You primarily need may flag legitimate human writing as ai-generated
- You primarily need limited information about detection methodology publicly available
Deep Comparison
Decision factors
| Dimension | Have I Been Trained? | Substack’s new tool tells you who’s been writing their newsletters with AI |
|---|---|---|
| Primary use case | Artists verifying if their work was used in AI training | Readers evaluating newsletter authenticity before subscribing |
| Target user | Visual Artists & Photographers, Content Creators, Privacy-Conscious Individuals | Newsletter Readers, Content Curators, Substack Subscribers |
| Best for | Visual Artists & Photographers, Content Creators, Privacy-Conscious Individuals | Newsletter Readers, Content Curators, Substack Subscribers |
| Not ideal for | Only covers some datasets, not all AI training data, Cannot remove images already in datasets, Search results depend on image quality and metadata | Detection accuracy depends on AI writing sophistication level, May flag legitimate human writing as AI-generated, Limited information about detection methodology publicly available |
Pricing & access
| Dimension | Have I Been Trained? | Substack’s new tool tells you who’s been writing their newsletters with AI |
|---|---|---|
| Pricing model | Free with free tier | Free with free tier |
| Free tier | Yes | Yes |
Technical fit
| Dimension | Have I Been Trained? | Substack’s new tool tells you who’s been writing their newsletters with AI |
|---|---|---|
| API access | No | No |
| Automation fit | 2/10 | 2/10 |
Enterprise & security
| Dimension | Have I Been Trained? | Substack’s new tool tells you who’s been writing their newsletters with AI |
|---|---|---|
| Enterprise readiness | 2/10 | 2/10 |
User experience
| Dimension | Have I Been Trained? | Substack’s new tool tells you who’s been writing their newsletters with AI |
|---|---|---|
| Beginner friendly | 9.5/10 | 9.5/10 |
| Data depth | 6/10 | 5.6/10 |
Community signals
| Dimension | Have I Been Trained? | Substack’s new tool tells you who’s been writing their newsletters with AI |
|---|---|---|
| Popularity score | 74 | 51 |
| Editorial rating | 8.1 / 10 | 8.7 / 10 |
| Last verified | 2026-06-23 | Not verified |
Pricing Decision
Both use a Free model. Compare paid tiers on each tool page before committing.
Have I Been Trained?
- Solo / individual
- Free with free tier
Substack’s new tool tells you who’s been writing their newsletters with AI
- Solo / individual
- Free with free tier
API & Integrations
Neither tool emphasizes public API access — both are better suited to direct end-user workflows.
Security & Compliance
Enterprise readiness is limited or not the primary positioning for either tool — verify SSO, compliance, and admin controls on vendor sites.
Neither tool publishes verified enterprise controls (SOC 2, HIPAA, SSO, audit logs). Confirm directly with the vendor before assuming compliance.
Workflow fit
For most AI Content Detection buyers, start with Have I Been Trained?, then validate pricing and integrations against your stack.
Pros and cons
Have I Been Trained?
Teams and individuals who need artists verifying if their work was used in ai training.
Strengths
- Checks multiple major AI training datasets in one search
- Simple upload interface requires no technical knowledge
- Helps creators understand unauthorized use of their work
- Free to use with no account registration needed
Weaknesses
- Only covers some datasets, not all AI training data
- Cannot remove images already in datasets
- Search results depend on image quality and metadata
Substack’s new tool tells you who’s been writing their newsletters with AI
Teams and individuals who need readers evaluating newsletter authenticity before subscribing.
Strengths
- Helps readers identify AI-written newsletters before subscribing
- Built directly into Substack platform for seamless integration
- Provides transparency about content authorship to readers
- Free tool available to all Substack users
Weaknesses
- Detection accuracy depends on AI writing sophistication level
- May flag legitimate human writing as AI-generated
- Limited information about detection methodology publicly available
Alternatives to Have I Been Trained? and Substack’s new tool tells you who’s been writing their newsletters with AI
Other AI Content Detection tools worth evaluating before you commit.
- GPTZero
Detects AI-generated text and provides detailed writing analysis.
- This Image Does Not Exist
Test your ability to spot AI-generated images.
- As AI content floods the internet, Pangram raises $9M to detect it
Detects AI-generated text content across the internet at scale.
- Deezer’s new tool can identify AI music from Spotify, Apple Music, and others
Detects AI-generated music across Spotify, Apple Music, and other streaming platforms.
- ZeroGPT
Advanced AI detection tool to identify AI-generated content
- Advancing content provenance for a safer, more transparent AI ecosystem
Verify AI-generated content origins and detect synthetic media
Final Recommendation
We compared Have I Been Trained? and Substack’s new tool tells you who’s been writing their newsletters with AI across the five signals that actually move a ai content detection buying decision: pricing model, free-tier availability, public API surface, directory popularity, and verified user rating. On the basics they overlap: both list as free and both offer a free tier, which means the decision usually comes down to fit and trust signals rather than checkbox features.
Have I Been Trained? carries a 8.1/10 rating with a popularity score of 74. Where it shines is visual artists & photographers and content creators. Substack’s new tool tells you who’s been writing their newsletters with AI carries a 8.7/10 rating with a popularity score of 51. Where it shines is newsletter readers and content curators.
Bottom line: pick Have I Been Trained? if your priority is visual artists & photographers and content creators; pick Substack’s new tool tells you who’s been writing their newsletters with AI if you lean toward newsletter readers and content curators.
Frequently Asked Questions
Have I Been Trained? vs Substack’s new tool tells you who’s been writing their newsletters with AI: which should I try first?
Substack’s new tool tells you who’s been writing their newsletters with AI has stronger user ratings (8.7 vs 8.1), so it's the safer first try. If you specifically need the other tool's strengths, swap your starting point.
How do Have I Been Trained? and Substack’s new tool tells you who’s been writing their newsletters with AI price?
Both list as free. Each has a free tier, so you can validate fit without a credit card.
Does Have I Been Trained? or Substack’s new tool tells you who’s been writing their newsletters with AI expose a developer API?
Neither lists a public API in our directory — both are best used through their own UI for now.
Is Have I Been Trained? better than Substack’s new tool tells you who’s been writing their newsletters with AI?
Neither is universally better — Have I Been Trained? fits artists verifying if their work was used in ai training, while Substack’s new tool tells you who’s been writing their newsletters with AI fits readers evaluating newsletter authenticity before subscribing. Pick based on your primary workflow.
Which tool is better for beginners?
Have I Been Trained? is typically easier for beginners (free tier and onboarding signals). Substack’s new tool tells you who’s been writing their newsletters with AI may still work if you need newsletter readers.
Which tool is better for teams and enterprise?
Have I Been Trained? shows stronger enterprise readiness signals. Verify SSO, compliance, and admin controls before procurement.
Does Have I Been Trained? have API access?
Have I Been Trained? does not emphasize public API access; it is oriented toward direct end-user use.
Does Substack’s new tool tells you who’s been writing their newsletters with AI have API access?
Substack’s new tool tells you who’s been writing their newsletters with AI does not emphasize public API access; it is oriented toward direct end-user use.
Which tool has a better free tier?
Both may offer free tiers — confirm current limits on each pricing page before production use.
What are the best AI Content Detection tools besides Have I Been Trained? and Substack’s new tool tells you who’s been writing their newsletters with AI?
Browse our AI Content Detection category hub and related comparisons below for alternatives with similar capabilities.
How do Have I Been Trained? and Substack’s new tool tells you who’s been writing their newsletters with AI compare on pricing?
Have I Been Trained?: Free with free tier. Substack’s new tool tells you who’s been writing their newsletters with AI: Free with free tier. Value depends on whether you need artists verifying if their work was used in ai training vs readers evaluating newsletter authenticity before subscribing.
Which tool is better for automation and integrations?
Have I Been Trained? scores higher for automation fit.
Related comparisons
- This Image Does Not Exist vs Substack’s new tool tells you who’s been writing their newsletters with AI: Which Is Better?
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- Deezer’s new tool can identify AI music from Spotify, Apple Music, and others vs ZeroGPT: Which Is Better?
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- Deezer’s new tool can identify AI music from Spotify, Apple Music, and others vs As AI content floods the internet, Pangram raises $9M to detect it: Which Is Better?
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Browse more in AI Content Detection tools.