Opik
Apache-licensed platform from Comet for tracing agent runs and testing them with assertions, offered as a cloud service or self-hosted.
By Comet ML, Inc. · www.comet.com/site/products/opik
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).
npmopik · headline (ranked)
42,992 downloads in the week, -8.3% vs prior week · rank 14 on npm
Reproduce this number (npm API) · registry metadata (mapping checked 2026-10-07)
npmopik-openai · integration
3,008 downloads in the week, +12.4% vs prior week
Reproduce this number (npm API) · registry metadata (mapping checked 2026-10-07)
PyPIopik · headline (ranked)
437,574 downloads in the week, +2.0% vs prior week · rank 12 on PyPI
Reproduce this number (ClickHouse SQL) · registry metadata (mapping checked 2026-10-07)
GitHub stars
comet-ml/opik: 22,436 stars (rank 5). Stars are a point-in-time count of a repository's bookmarks, not people using the tool.
Series starts 2026-W40 (22,436).
Facts
| Categories | Tracing & observability, Evaluation | |
|---|---|---|
| Status | Generally available | |
| Licence | Apache-2.0 | source, checked 2026-10-07 |
| Self-host | Yes | source, checked 2026-10-07 |
| OpenTelemetry | Native (OTLP) | source, checked 2026-10-07 |
| Pricing model | usage | |
| Entry price | $19/mo; Pro Cloud, 100k spans/month included, extra spans $5/100k; Free Cloud 25k spans/month and open-source self-host are $0 | 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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