Observability & evaluation
Braintrust JavaScript SDK
Tracing and evaluation primitives in a JavaScript package with a bundled experiment CLI.
Overview
Research summary
The Braintrust JavaScript SDK supplies client libraries and command-line tooling for instrumenting and evaluating AI applications. Developers can log traces, define evaluation cases and scoring functions, run experiments, and integrate the results with Braintrust workflows. The repository includes the core package and additional integrations such as OpenTelemetry and browser support. It was renamed after the Python implementation moved into a dedicated repository. This entry is scoped to the Apache-2.0 JavaScript and TypeScript SDK, not a claim that the entire hosted Braintrust platform is open source.
Repository summary
- Stars
- Unavailable
- Open issues
- Unavailable
- Last push
- Unavailable
- Commits, 90 days
- Unavailable
- Repository activity
- Not scored
- Version
- Unavailable
Recorded catalogue figures. View repository data and provenance →
Classification
Pricing & services
Paid services available
The provider offers paid products or services. Free options may also be available.
Commercial offering checked 2026-10-02.
Licence scope
Implementation
Recorded implementation details and interfaces for Braintrust JavaScript SDK.
Implementation details
TypeScript SDK, integration packages, and bt command-line interface
- Languages
- TypeScript
- Repository type
- source
Recorded interfaces and capabilities
Licence scope
Repository
Repository snapshots, release information and recorded maintenance signals.
Repository snapshot
braintrustdata/braintrust-sdk-javascript ↗
- Stars
- Unavailable
- Open issues
- Unavailable
- Last push
- Unavailable
- Commits, 90 days
- Unavailable
- Repository activity
- Not scored
- Archived
- Not recorded
Repository activity is a snapshot, not a quality or popularity ranking. It combines recent-push freshness (50%), 90-day commits (30%) and issue pressure (20%).
Maintenance and provenance
- Catalogue snapshot
- 2026-10-06
Documentation
Recorded references and research provenance for this entry.
Recorded sources 5
- https://github.com/braintrustdata/braintrust-sdk-javascript Project page · Linked repository · Research reference · Commercial offering evidence
- https://github.com/braintrustdata/braintrust-sdk-javascript/blob/main/README.md Research reference
- https://github.com/braintrustdata/braintrust-sdk-javascript/blob/main/LICENSE Research reference
- https://www.braintrust.dev Research reference
- https://www.braintrust.dev/pricing Commercial offering evidence
Research metadata
- Research date
- 2026-10-02
- Catalogue snapshot
- 2026-10-06