Label Studio vs Gretel.ai: Which Should You Choose in 2026?
Choosing between Label Studio and Gretel.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.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Label Studio
The most flexible open-source data labeling platform for AI models and LLM fine-tuning.
Best for you if:
- • You want the higher-rated option (9.0/10 vs 0.0/10)
- • You need something completely free
- • You need ai data labeling features specifically
- • Open-source data labeling platform for various data types.
- • Supports LLM fine-tuning, evaluation, and ML-assisted labeling.
Gretel.ai
Accelerate agentic AI development with high-quality, domain-specific synthetic data.
Best for you if:
- • You need ai agents features specifically
- • Generates high-quality synthetic data for agentic AI and LLM training.
- • Addresses data scarcity, privacy concerns, and high costs of real data.
| At a Glance |  Label Studio |  Gretel.ai |
|---|---|---|
Price | Free | Paid |
Best For | AI Data Labeling | AI Agents |
Rating | 90/100 | —/100 |
| Feature | Label Studio | Gretel.ai |
|---|---|---|
| Pricing Model | Free | Paid |
| Editorial Score | 90 | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | AI Data LabelingAI Fine-Tuning | AI AgentsAI Data Labeling |
How Label Studio and Gretel.ai Compare
Label Studio
The most flexible open-source data labeling platform for AI models and LLM fine-tuning.
Free · 90/100 score
Gretel.ai
Accelerate agentic AI development with high-quality, domain-specific synthetic data.
Paid
Label Studio is a ai data labeling tool. Gretel.ai is in ai agents.
Who Should Use What?
On a budget?
Label Studio is free. Gretel.ai is paid.
Go with: Label Studio
Want the highest-rated option?
Label Studio scores 90/100. Gretel.ai is unrated.
Go with: Label Studio
Value user reviews?
Neither has user reviews yet.
Go with: Label Studio
3 Questions to Help You Decide
What's your budget?
Label Studio is free. Gretel.ai is paid. Go with Label Studio if free matters most.
What's your use case?
Label Studio is a ai data labeling tool. Gretel.ai is in ai agents. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Label Studio
- Higher score: 90/100 vs unrated
- Completely free
- Our pick for this comparison
Gretel.ai
- Better fit for ai agents
The Bottom Line
Label Studio (90/100) is our pick.
Frequently Asked Questions
Is Label Studio or Gretel.ai better?
Label Studio scores 90/100 in our evaluation. Label Studio is free and Gretel.ai is paid.
What are Label Studio and Gretel.ai used for?
Label Studio: The most flexible open-source data labeling platform for AI models and LLM fine-tuning.. Gretel.ai: Accelerate agentic AI development with high-quality, domain-specific synthetic data..
What does Label Studio cost vs Gretel.ai?
Label Studio is completely free. Gretel.ai is a paid tool. Visit their websites for detailed pricing.