Chalk

Web · Self-hosted · API

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Freedom report

One barScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Chalk is ranked #8 of 17 in feature store software on Freedom251. It runs on API, Self-hosted, Web.

Compared on feature store software

Online store: Yes
Offline store: Yes
Point-in-time joins: Yes
Feature monitoring: Yes
Deployment model: both
Serving modes: both

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The record

Product: Chalk describes itself as a platform for production AI that combines context, runtime, and learning tools.
Live context: Its feature store and federated database engine serve context from connected data sources at inference time.
Runtime: Chalk offers model serving, GPU workloads, agent sandboxes, and a model gateway.
Learning tools: The platform includes evaluations, traces, notebooks, and model fine-tuning.
Integrations: The homepage illustrates connected sources including Postgres, Stripe, Snowflake, Zendesk, and documents.
Self-hosting: Chalk can be deployed in AWS, GCP, or Azure environments, with data-plane workloads running inside the customer's cloud.
Sandbox security: Chalk says agent sandboxes use gVisor isolation and allow customers to restrict outbound network access by hostname, CIDR, and port.
Compliance: Chalk announced completion of a SOC 2 Type I audit in March 2023 and says the report is available by request.
Support: Chalk offers hands-on support from forward-deployed engineers to help teams get models and agents into production.
Intended users: The site identifies data engineers, MLOps teams, AI/ML engineers, data scientists, and AI platform engineers as audiences.
Feature store: Chalk lets teams define features and manage versions, then serve computed context at inference time.
Evaluation: Chalk lists evals, traces, notebooks, and fine-tuning among its tools for testing and improving models and agents.
Data sources: Chalk says it can resolve features using data from streams, databases, and APIs at query time.
Model providers: The Model Gateway supports provider kinds including OpenAI, Anthropic, Gemini, Vertex, Bedrock, Cohere, Mistral, and OpenAI-compatible endpoints.

Where it ranks on Freedom251

Best Feature Store Software in 2026#8 of 17

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Sources

chalk.ai· checked 2 Oct 2026
chalk.ai/deployments/self-hosted· checked 2 Oct 2026
chalk.ai/capabilities/sandboxes· checked 2 Oct 2026
chalk.ai/blog/soc-2· checked 2 Oct 2026
chalk.ai/startups· checked 2 Oct 2026
chalk.ai/use-case/dynamic-pricing· checked 3 Oct 2026
docs.chalk.ai/docs/model-gateway· checked 3 Oct 2026
chalk.ai/about· checked 3 Oct 2026