Alternatives
Best Gretel.ai alternatives in 2026
Data compiled by Toolradar Updated How we rate
Cite this list: Toolradar, best Gretel.ai alternatives 2026, toolradar.com/alternatives/gretel-ai
3 direct alternatives to Gretel.ai and 5 more tools in the same category, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Quick answer
- Tonic.ai is the top alternative to Gretel.ai on our list, followed by Mostly AI and Synthesized.
- 4 of the 8 alternatives have a free plan, starting with Tonic.ai.
- Highest rated: MongoDB, 4.7 out of 5 from 473 ratings, Sep 2026.
- 8 alternatives
- 3 direct
- 4 with a free plan
Top 3 alternatives to Gretel.ai
Tonic.ai
#1 Top pickHigh-fidelity synthetic data generation and transformation for software and AI development.
Starting price
From $29 /mo
Cheapest paid plan, monthly, as of November 2026
4.3 /5 across SourceForge and G2 · 105 ratings, Sep 2026
Our take
Best overall
Mostly AI
#2Unlock data access and insights with privacy-safe synthetic data and AI-powered analysis.
Pricing
Free plan
4.5 /5 on G2 · 17 ratings, Sep 2026
Synthesized
#3Automate enterprise-grade test data provisioning with AI for faster, compliant software releases.
Pricing
Not published
Gretel.ai vs 8 alternatives
| Tool | Starting price (Nov 2026) | Free plan | Rating | Fit |
|---|---|---|---|---|
 | Price: Not published | Free plan: No | n/a | |
| Price: $29/mo | Free plan: Yes | 4.3 out of 5, from 105 ratings across SourceForge and G2 (105) | Direct alternative |
| Price: Free + paid | Free plan: Yes | 4.5 out of 5, from 17 ratings on G2 (17) | Direct alternative |
| Price: Not published | Free plan: No | n/a | Direct alternative |
 | Price: Usage-based | Free plan: No | 4.4 out of 5, from 17,730 ratings on G2 (17,730) | Same category as Gretel.ai |
 | Price: Contact sales | Free plan: No | 4.6 out of 5, from 556 ratings on Capterra (556) | Same category as Gretel.ai |
 | Price: Free + paid | Free plan: Yes | 4.7 out of 5, from 473 ratings on Capterra (473) | Same category as Gretel.ai |
 | Price: Free + paid | Free plan: Yes | 3.5 out of 5, from 19,234 ratings across SourceForge, G2, Trustpilot and more (19,234) | Same category as Gretel.ai |
 | Price: Usage-based | Free plan: No | 4.7 out of 5, from 2,892 ratings across G2 and Capterra (2,892) | Same category as Gretel.ai |
Why people consider alternatives to Gretel.ai
Gretel.ai, leveraging NVIDIA NeMo, provides synthetic data generation specifically tailored for agentic AI workflows. It addresses critical challenges in AI development such as data scarcity, security concerns with sensitive information,…
Teams most often switch away when one of these starts to bite:
- Pricing at scale as usage or premium tiers add up.
- Missing integrations with the rest of your stack.
- Performance or scale limits as your needs grow.
- A specific feature gap you have hit in data & databases.
The 3 direct alternatives below cover the same core job (data & databases) with different trade-offs. The 5 tools marked "Same category as Gretel.ai" fit the category but replace Gretel.ai less directly.
Gretel.ai by the numbers
| Metric | Gretel.ai | Peer median | Position (1 is best) |
|---|---|---|---|
| Free plan | No | 9 of 18 have one | n/a |
| Listed as an alternative to | 4 tools | 2 | #4 of 18 (joint) |
Listed as an alternative to: #4 on 2026-10-16 to #4 on 2026-11-02 (rank among 18 tools, 1 is best).
Each position is counted among the tools that have data for that row, as noted under it. All AI Data Labeling data · How we compute this. Advertising and placement fees are not inputs to any position.
Cite this: Toolradar, “Gretel.ai by the numbers”, Nov 2026.
Data & Databases leaderboards from Toolradar data
Toolradar ranks Data & Databases tools on one measure at a time, only where at least 8 tools have data. As of Nov 2026.
Lowest entry price, plans with no stated unit
Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.
Counted among 149 tools with no stated price unit, verified price.
| # | Tool | Entry plan |
|---|---|---|
| 1 | DataForSEO | $1/mo |
| 2 | Drizzle Studio | $1.67/mo, billed yearly |
| 3 | JSON Editor Online | $2/mo, billed monthly |
| 4 | CPFHub.io | $4/mo, billed monthly |
| 4 | SQLAI.ai | $4/mo, billed monthly |
Lowest entry price, per-user plans
Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.
Counted among 24 tools priced per user, verified price.
| # | Tool | Entry plan |
|---|---|---|
| 1 | Open Wearables | $4/user/mo, billed monthly |
| 1 | agmsg | $4/user/mo, billed monthly |
| 3 | Stackby | $4.20/user/mo, billed monthly |
| 4 | Baserow | $5/user/mo, billed monthly |
| 4 | Dolt | $5/user/mo, billed monthly |
Most media coverage, last 30 days
Number of distinct articles published in the last 30 days by independent press, blogs and newsletters that mention the tool. A story carried by several outlets counts once; the vendor's own blog, review sites, forums and republishing sites do not count.
Counted among 16 tools mentioned in the last 30 days.
| # | Tool | Articles |
|---|---|---|
| 1 | Google Cloud | 29 articles |
| 2 | ZoomInfo | 7 articles |
| 3 | SerpAPI | 5 articles |
| 3 | SolarWinds | 5 articles |
| 5 | MongoDB | 3 articles |
A position exists only when at least 8 tools have data for that metric. 173 of 568 Data & Databases tools have a verified price; the others publish none we could read (often "contact sales"). Advertising and placement fees are not inputs to any position. Visit counts include visits from every source. How we compute this. Cite this: Toolradar, “Data & Databases leaderboards”, Nov 2026. Data licensed CC BY 4.0. All Data & Databases statistics.
8 alternatives to Gretel.ai
Direct alternatives come first, ranked by G2 and Capterra ratings, media mentions, and editor review. Tools marked "Same category as Gretel.ai" follow, ranked the same way.
- 1
Tonic.ai
Free plan Cheaper than Gretel.aiHigh-fidelity synthetic data generation and transformation for software and AI development.
4.3 /5 across SourceForge and G2 · 105 ratings, Sep 2026
From $29/user/mo, billed monthly; free plan available
- 2
Mostly AI
Free plan Cheaper than Gretel.aiUnlock data access and insights with privacy-safe synthetic data and AI-powered analysis.
4.5 /5 on G2 · 17 ratings, Sep 2026
Free plan available; paid prices not published
- 3
Synthesized
PaidAutomate enterprise-grade test data provisioning with AI for faster, compliant software releases.
Price not published
- 4
AWS
Paid Battle-tested at scaleThe cloud infrastructure that powers half the internet
4.4 /5 on G2 · 17,730 ratings, May 2026
Price not published
Same category as Gretel.ai
- 5
Google Cloud
PaidEnterprise cloud with AI/ML strengths and BigQuery
4.6 /5 on Capterra · 556 ratings, Sep 2026
Price not published
Same category as Gretel.ai
- 6
MongoDB
Free plan Cheaper than Gretel.aiDocument database that made NoSQL mainstream
4.7 /5 on Capterra · 473 ratings, Sep 2026
Free plan available; paid prices not published
Same category as Gretel.ai
- 7
Oracle Cloud
Free plan Cheaper than Gretel.aiEnterprise cloud infrastructure from the database company
3.5 /5 across SourceForge, G2, Trustpilot and more · 19,234 ratings, Sep 2026
Free plan available; paid prices not published
Same category as Gretel.ai
- 8
Google Cloud Storage
Paid Battle-tested at scaleObject storage by Google Cloud
4.7 /5 across G2 and Capterra · 2,892 ratings, Sep 2026
Price not published
Same category as Gretel.ai
Frequently asked questions
What is the best alternative to Gretel.ai?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Gretel.ai are Tonic.ai, Mostly AI, Synthesized. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Gretel.ai?
There is no fully free alternative in this list. Tonic.ai is freemium: a permanent free tier plus paid plans (High-fidelity synthetic data generation and transformation for software and AI development).
Why do people look for Gretel.ai alternatives?
Common reasons teams switch away from Gretel.ai: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in data & databases. The alternatives on this page solve the same core problem with different trade-offs.
Side-by-side comparisons
In-depth comparison pages for Gretel.ai versus each alternative.
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