Developer plan $0: up to 5k base traces/month
Eligibility: Solo users
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This is a free tier from Comet (Opik): Free cloud plan: 25k spans per month, up to 10 team members, in the vendor’s words on comet.com. No application is needed. Eligibility: Anyone. Perq last verified it Oct 30, 2026.
Livefree tierNo applicationAnyone (sign up)
“Up to 10 team members 25k spans per month 60-day data retention”Verbatim from comet.com/site/pricing/, checked (HTTP 200).
Eligibility: Solo users
Eligibility: Early-stage startups backed by LangChain premier VC partners
Eligibility: Early-stage, bootstrapped or <$5M raised
Eligibility: Anyone
Eligibility: Anyone
Eligibility: Qualifying startups
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