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Hosted platforms - verified

Opik (Comet)

Opik is listed under hosted platforms. Its first listed price, in its own words: Open Source: $0 (self-hosted). Stated or listed on its pages: OpenTelemetry ingest, tracing, LLM-as-a-judge evals, online evals, datasets, prompt management, a playground and cost tracking. Read from the vendor's own pages on October 18, 2026.

Also Open source

Read from comet.com, raw.githubusercontent.com, github.com. Docs - Pricing - License - Compare every tool

Status

Status, as we read it

Generally available (inferred)inferred

No page we read labels this product GA or beta. It is sold or downloadable without a beta label, so we read it as generally available.

Ownership, name or terms changes, as recorded
Not stated

No shutdown, acquisition or rename notice on the pages reviewed

How Opik charges

Every price line Opik states, in its own words and units, with the quote. Nothing is converted.

6 price lines for Opik (Comet), in the vendor's own words and units
Price, in the vendor's wordsUnitQuote and source
Open Source: $0self-hosted
“Download, install, & run Opik your way $0 Free”
comet.com
Free Cloud: $0plan price
“Free Cloud Perfect for individuals $0 Free plan”
comet.com
Pro Cloud: $19 per monthinferredPlan from table layout (Pro Cloud, Pro): the quote does not name it.plan price per month
“Expanded usage for teams $19 Per month”
comet.com
Pro Cloud: 100k spans per month includedinferredPlan from table layout (Pro Cloud, Pro): the quote does not name it.spans per month
“Up to 50 team members - 100k spans per month”
comet.com
Additional spans: $5 per 100k spans (Pro Cloud column of Monthly Usage table)inferredAssigned to Pro Cloud by its position in the Monthly Usage table; the quote itself does not name a plan.per 100k spans (overage)
“$5/100k spans”
comet.com
Additional span retention (60 to 400 days): $29 per 100k spans (Pro Cloud column)inferredAssigned to Pro Cloud by its position in the Monthly Usage table; the quote itself does not name a plan.per 100k spans retained
“$29/100k spans”
comet.com

Free tier and retention

Free tier

Free Cloud: up to 10 team members, 25k spans per month, 60-day retentioninferred

Plan from table layout (Free Cloud, Free): the quote does not name it.
“Up to 10 team members - 25k spans per month - 60-day data retention”
comet.com
Data retention

Free and Pro Cloud: 60-day data retentioninferred

Plan from table layout (Pro Cloud, Free, Pro): the quote does not name it.
“60-day data retention”
comet.com

Extendable from 60 to 400 days

“Increase span data retention from 60 days to 400 days”
comet.com

Tracing and evaluation

OpenTelemetry / OTLP ingest

Yes, native OpenTelemetry support

“Opik provides native support for OpenTelemetry (OTel), allowing you to track AI applications in Ruby, Java, and other languages”
comet.com
Tracing

Yes

“Trace every step of your application's execution path, from context retrieval to model responses to tool calls”
comet.com
Evals (LLM-as-a-judge)

Yes, LLM-as-judge metrics

“Easy to use, configurable LLM-as-judge and heuristic metrics”
comet.com
Online evals

Yes, online evaluation

“Score your production traces and identify any issues with your production LLM application”
comet.com
Datasets

Yes, evaluation datasets

“Create and maintain collections of example inputs and expected responses”
comet.com

Prompts, playground and cost

Prompt management

Yes, prompt versioning

“Track and version every change made to a prompt, including edits, timestamps, and authors”
comet.com
Playground

Yes, prompt playground

“Test new prompts quickly in Opik's Prompt playground”
comet.com
Cost tracking

Yes

“Token & Cost Tracking”
comet.com

Self-hosting, license and compliance

Self-hosting

Yes, full platform self-hostable without commercial license

“Its server, web application, and core observability and evaluation capabilities can be self-hosted without a commercial license.”
raw.githubusercontent.com
License

Apache 2.0

“Opik is licensed under Apache 2.0.”
raw.githubusercontent.com
SOC 2 (as listed)

Listed on pricing page

The pricing table marks plans with icons, so this is not a claim about which plan includes it.
“SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR compliance”
comet.com
HIPAA (as listed)

Listed on pricing page

The pricing table marks plans with icons, so this is not a claim about which plan includes it.
“SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR compliance”
comet.com
Regions
Not stated

Not recorded from the pricing table's data-region row on 2026-10-18; see the pricing page

SDKs and integrations

SDKs

Python, TypeScript

“SDKs (Python, TypeScript)”
comet.com
Integrations

40+ (vendor-stated, includes frameworks, model providers and gateways)

“Integrations with 40+ AI Frameworks, Model Providers, & AI Gateways”
comet.com

Vendor claims

Scale, speed and cost statements as Opik makes them. Vendor-stated, not measured.

Vendor-stated
Not stated

None recorded

FAQ

How much does Opik cost?

In Opik's own terms: Open Source: $0 (self-hosted); Free Cloud: $0 (plan price); Pro Cloud: $19 per month (plan price per month); Pro Cloud: 100k spans per month included (spans per month); Additional spans: $5 per 100k spans (Pro Cloud column of Monthly Usage table) (per 100k spans (overage)); Additional span retention (60 to 400 days): $29 per 100k spans (Pro Cloud column) (per 100k spans retained). As of October 18, 2026; prices are not converted.

Does Opik accept OpenTelemetry traces?

Yes, native OpenTelemetry support, per the vendor: "Opik provides native support for OpenTelemetry (OTel), allowing you to track AI applications in Ruby, Java, and other languages"

Can I self-host Opik?

Per the vendor: "Its server, web application, and core observability and evaluation capabilities can be self-hosted without a commercial license." License: Apache 2.0.

Sources

Last verified from each vendor's own pricing pages, docs, READMEs and license files; every quote was string-matched against the page that day. This is not a ranking. Prices are shown in the vendor's own unit and change without notice, so check the linked source before you commit.

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