Diffgram
Open-source AI data store for schemas, BLOBs and predictions with integrated human supervision, data workflows and UI catalog.
Our Verdict
The OSS choice when data sovereignty matters and Label Studio feels too annotation-only.
Pros
- Open-source data store with human review
- Handles schemas, blobs, predictions together
- Self-hostable for private data
Cons
- Setup complexity higher than SaaS alternatives
- Community smaller than Label Studio
- Docs can lag feature pace
When to Use Diffgram
Good fit if you need
- Labeling image, video, and text data for ML training pipelines
- Managing annotation workflows with human review and QA
- Versioning training datasets alongside model experiments
- Running semi-automated labeling with model-assisted suggestions
Pricing
Price wrong?Diffgram Pricing
- Pricing Model
- freemium
- Free Tier
- Yes
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Project Health
Health Score
7
1.4 years
61d
486
38d
NOASSERTION
Last checked: 2026-04-21
Lock-in Assessment
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