# Chalk vs Feathr

**Leader by Vioscale score:** Feathr

| Attribute | Chalk | Feathr |
|---|---|---|
| **Vioscale score** | 8.7 (3% (low)) | 52.4 (35% (low)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 1,938 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Chalk is an infrastructure platform that provides feature engineering, real-time serving, and model management capabilities for machine learning applications. It enables teams to build production ML systems with sub-millisecond latency and works within your own cloud environment. | A data engineering framework that enables teams to build feature transformations, register and catalog them centrally, and compute them correctly for AI training and production inference. It provides batch and streaming feature computation with integration to Databricks, Azure Synapse, and other data platforms. |
| features.capabilities | - | `{"multi_cloud":true,"pricing_model":"open-source-self-host","rbac_governance":true,"deployment_model":"self-hosted","drift_monitoring":true,"lineage_tracking":true,"streaming_features":true,"on_demand_transforms":true,"feature_registry_catalog":true,"embeddings_vector_support":true,"point_in_time_correctness":true}` |
| integrations.count | 1 | 6 |
| integrations.list | `[{"name":"Databricks"}]` | `[{"name":"Databricks"},{"name":"Azure Synapse"},{"name":"HDFS"},{"name":"Snowflake"},{"name":"PySpark"},{"name":"Spark SQL"}]` |
| language.primary | - | Scala |
| license.spdx | - | Apache-2.0 |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | - | `{"type":"open_source","summary":"Open source","freeTier":true,"sourceUrl":"https://feathr-ai.github.io/feathr/","retrievedAt":"2026-08-21T12:41:53.933Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | - | free |
| pricing.transparent | - | yes |
| release.cadence_days | - | 22 |
| release.history | - | `[{"url":"https://github.com/feathr-ai/feathr/releases/tag/v1.0.0","date":"2023-02-28T10:04:15Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v1.0.0-rc4","date":"2023-02-28T03:55:13Z","type":"prerelease","version":"v1.0.0-rc4"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.10.4-rc3","date":"2023-01-17T08:52:15Z","type":"prerelease","version":"v0.10.4-rc3"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.10.4-rc2","date":"2023-01-17T08:08:51Z","type":"prerelease","version":"v0.10.4-rc2"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.10.4-rc1","date":"2023-01-17T07:18:37Z","type":"prerelease","version":"v0.10.4-rc1"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.10.0-rc1","date":"2022-12-15T15:16:44Z","type":"prerelease","version":"v0.10.0-rc1"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.9.0","date":"2022-11-01T12:42:12Z","type":"stable","version":"v0.9.0"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.8.0","date":"2022-09-23T02:05:10Z","type":"stable","version":"v0.8.0"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.7.2","date":"2022-08-29T13:58:03Z","type":"stable","version":"v0.7.2"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.6.0","date":"2022-07-29T19:05:49Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.5.1","date":"2022-07-29T18:39:01Z","type":"stable","version":"v0.5.1"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.4.0","date":"2022-05-03T02:53:39Z","type":"stable","version":"v0.4.0"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.3.0","date":"2022-04-12T06:03:15Z","type":"stable","version":"v0.3.0"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.2.1","date":"2022-03-23T06:26:44Z","type":"stable","version":"v0.2.1"},{"url":"https://github.com/feathr-ai/feathr/releases/tag/v0.1.0","date":"2022-03-07T07:43:40Z","type":"stable","version":"v0.1.0"}]` |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=feathr&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Feature Stores)

| Capability | Chalk | Feathr |
|---|:--:|:--:|
| **Capabilities** |  |  |
| 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 | - | Open source self host |

*Source: Vioscale. Generated 2026-09-01T16:45:58.968Z. "-" = undocumented, not absent.*