Comet vs Lambda Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| Comet pricing | Lambda pricing | |
|---|---|---|
| Starts at | $19/mo | Custom |
| Number of plans | 4 | 1 |
| Free plan | — | |
| Free trial | — | |
| Pricing model | hybrid | usage-based |
Price is one row. To weigh the features too, use our feature comparison template →
Open Source
- Full AI observability & agent testing feature set
- True OSS: same codebase as the hosted versions
- Agent tracing & analysis
- Test Suites & assertions
- Agent Playground
Free Cloud
- Up to 10 team members
- 25k spans per month
- 60-day data retention
- Agent tracing & analysis
- Test Suites & assertions
- Agent Playground
- Ollie coding harness trial
Pro Cloud
Popular- Up to 50 team members
- 100k spans per month
- 60-day data retention
- Customizable monthly span limits
- Customizable data retention periods
Enterprise
- Unlimited team members
- Custom usage plans
- Flexible deployments
- Service accounts and view-only users
- Single sign-on
- Dedicated support and SLAs
- SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR compliance
On-Demand GPU Cloud
- Launch in minutes
- Multi-GPU instances
- Use UI, API, or CLI
- Turnkey performance
- Real-time visibility
- Easy storage
- Built-in observability
- No egress fees
Comet vs Lambda FAQ
- Which one is cheaper?
- One or both use custom pricing, so it depends on your specific needs.
- Can I use either one for free?
- Comet has a free plan. Lambda doesn't — you'll need to pay from day one.
- How do they charge?
- Different approach here. Comet uses hybrid pricing, while Lambda goes with usage-based. That changes the math depending on your team size and usage.
- Which one is a better deal?
- Depends on what you need. Comet: At $19/mo for Pro, Comet undercuts most enterprise-first MLOps and LLM observability tools that gate everything behind a sales call — this is a land-and-expand play aimed at developers and small teams who'd otherwise bounce off a 'contact us' wall. Lambda: Lambda plays in the middle-to-premium range of GPU cloud — cheaper and more transparent than hyperscalers like AWS/GCP for raw compute, but not chasing rock-bottom pricing like some bare-metal GPU brokers. They're going after ML teams and researchers who want hyperscaler-grade hardware without the enterprise cloud markup or lock-in.
Still deciding? See the best Comet alternatives or the best Lambda alternatives, ranked with verified pricing.
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