Braintrust
Hosted platform that logs agent traces, scores outputs with evals and manages prompts and datasets, with enterprise self-hosting.
By Braintrust Data, Inc. · www.braintrust.dev
Package download activity
Each package is shown on its own; packages that can be installed together are never added up. Week 2026-W40 (2026-09-28 to 2026-10-04).
npmbraintrust · headline (ranked)
2,046,537 downloads in the week, +2.7% vs prior week · rank 3 on npm
Reproduce this number (npm API) · registry metadata (mapping checked 2026-10-07)
PyPIbraintrust · headline (ranked)
1,650,096 downloads in the week, 0.0% vs prior week · rank 7 on PyPI
Reproduce this number (ClickHouse SQL) · registry metadata (mapping checked 2026-10-07)
GitHub stars
braintrustdata/braintrust-sdk-javascript: 28 stars (rank 40). Stars are a point-in-time count of a repository's bookmarks, not people using the tool.
Series starts 2026-W40 (28).
Facts
| Categories | Tracing & observability, Evaluation, Prompt management | |
|---|---|---|
| Status | Generally available | |
| Licence | Proprietary | source, checked 2026-10-07 |
| Self-host | Enterprise only | source, checked 2026-10-07 |
| OpenTelemetry | Native (OTLP) | source, checked 2026-10-07 |
| Pricing model | usage | |
| Entry price | $249/mo; Pro plan; usage billed on processed data and scores above included amounts; Starter is $0/month | source, checked 2026-10-07 |
| Free tier | Yes | |
| Measurability | Measured (mapped SDK packages) |
Facts last verified 2026-10-07 on first-party pages. Prices as published, taxes excluded; non-USD prices are not converted.
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