Opik (Comet) pricing (2026)
Answer: Opik (Comet) lists a free plan (Free Cloud / Open Source): Cloud: 25k spans/month. Open source: $0. Paid entry is stated as $19/month. Billing model: Tiered. Last verified 2026-10-24 from the vendor’s own pricing page.
- Free tier: Yes — Free Cloud / Open Source
- Free limits: Cloud: 25k spans/month. Open source: $0
- Paid from: $19/month
- Last verified: 2026-10-24
- Source: https://www.comet.com/site/pricing/
Data table
| Field | Value (as recorded) |
|---|---|
| Free plan | Free Cloud / Open Source |
| Free tier limits | Cloud: 25k spans/month. Open source: $0 |
| Paid from | $19/month |
| Pricing model | Tiered |
| Card required | not stated |
| OSS / self-host | Yes |
| Last verified | 2026-10-24 |
| Source | Official pricing page ↗ |
Gotchas we recorded
None derived from the plan summary. Read the pricing page’s fine print.
Alternatives in LLM observability
Arize AX / Phoenix
Free tier 25k spans/mo; 1 GB/mo; 10 issues/mo; no card. Phoenix is open source
Braintrust
Free tier $0/month; $10 credits; free usage for traces, evals and whole team; no card
Helicone
Free tier 10,000 free requests; 1 GB storage; 1 seat
Laminar
Free tier $0/month
Langfuse
Free tier 50k units/mo; all platform features with limits; no card
Related
- Opik (Comet) free tier page
- Opik (Comet) alternatives (cheaper)
- LLM observability category
- Interactive compare
- All pricing guides
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Data: Opik (Comet) pricing summary as of 2026-10-24. Source: O11y Watch (https://o11y-watch.pages.dev). License: CC BY 4.0. Please attribute "O11y Watch" with a link to https://o11y-watch.pages.dev/.
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