Chalk
A real-time data platform providing infrastructure for AI agents and models
- Vendor
- Chalk AI, Inc
- Also known as
- chalk
What is Chalk?
A real-time feature store that enables data teams to define features once and compute them on-demand for training, batch evaluation, and inference, with point-in-time correctness and sub-millisecond serving latency.
What Chalk does
The capabilities that matter for feature stores, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Point in time correctness
- ✓
- Feature registry catalog
- ✓
- Streaming features
- -
- On demand transforms
- ✓
- Deployment model
- Self hosted
- Drift monitoring
- ✓
- Embeddings vector support
- ✓
- Multi cloud
- -
- RBAC governance
- -
- Lineage tracking
- -
- Pricing model
- Contact sales
Platform & deployment
Independently observed- Web
- Cloud / SaaS
Integrations (2)
Independently observed- Databricks
- Airflow
Chalk FAQ
Common questions about Chalk, answered from independent, dated evidence.
What is Chalk?
A real-time feature store that enables data teams to define features once and compute them on-demand for training, batch evaluation, and inference, with point-in-time correctness and sub-millisecond serving latency. It is indexed under Feature Stores.
Source: https://chalk.ai
What platforms does Chalk support?
Chalk supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://chalk.ai
Can Chalk be self-hosted?
Yes. Chalk can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://chalk.ai
Chalk alternatives
Other feature stores we track, ranked by the same independent score.
- FeastAn open source platform for managing and serving feature data to machine learning and AI applications at scalelow · 40%
- FeatureformA high-performance, in-memory database server optimized for real-time applications with support for caching, data structures, and vector searchlow · 19%
- Amazon SageMaker Feature StoreA managed repository for storing, sharing, and reusing machine learning features across your ML lifecyclemedium · 65%
- Hopsworks Feature StoreAn integrated platform that manages the complete machine learning lifecycle with real-time feature serving capabilitieslow · 26%
- TectonA database that handles transactions, analytics, and artificial intelligence simultaneouslylow · 26%
- FeathrA Jekyll theme for building searchable documentation websites with extensive customizationlow · 33%
Compare Chalk
Side by side against other feature stores, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Chalk, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Capabilities | 75 | 0.04 | 2.8 | ✓ |
| Integrations | 9 | 0.04 | 0.4 | ✓ |
| Price level | 0 | 0.04 | 0.0 | - |
| Reliability | 0 | 0.07 | 0.0 | - |
| Security posture | 0 | 0.12 | 0.0 | - |
| Pricing transparency | 0 | 0.05 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 3 items | mediumsource · 2026-09-10 · 60% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Pricing model: contact-sales · Deployment model: self-hosted · Drift monitoring: Yes · On demand transforms: Yes · Feature registry catalog: Yes · Embeddings vector support: Yes | mediumsource · 2026-09-28 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 1 | mediumsource · 2026-09-28 · 60% |
Pricing
| Attribute | Value | Evidence |
|---|---|---|
| Model | commercial | mediumsource · 2026-08-17 · 60% |
Is Chalk the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Chalk against the rest of the feature stores we index, using the same dated evidence weighted your way.
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