Comet vs Grok Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
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
Free
- Real-time web and X search
- Voice mode
- SOC 2 compliance (Type I & II)
- Connectors
SuperGrok
- Grok 4.5 model
- Connectors
- Higher rate limits across all features
- Expert
- SOC 2 compliance (Type I & II)
- Image and video generation
Comet vs Grok FAQ
- Which one is cheaper?
- Comet starts lower at $19/mo, compared to $30/mo for Grok.
- Can I use either one for free?
- Both offer free plans, so you can try each without paying. Start with whichever fits your workflow better and upgrade when you hit the limits.
- How do they charge?
- Different approach here. Comet uses usage-based pricing, while Grok goes with flat-rate. 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 entry, they're positioning as the accessible alternative to heavier MLOps platforms — clearly going after teams that find tools like Weights & Biases or Arize too expensive or too complex for pure LLM tracing use cases. The academic free Pro tier signals they're also playing a long game on developer mindshare. Grok: At $30/mo flat, SuperGrok lands right in line with ChatGPT Plus and other premium AI subscriptions — not trying to undercut on price, just trying to be a credible alternative for people already paying for AI tools. The strategy seems to be 'match the market rate, win on model differentiation,' not 'compete on cost.'
Still deciding? See the best Comet alternatives or the best Grok alternatives, ranked with verified pricing.
Keep tabs on both.
We'll monitor pricing changes for Comet and Grok and let you know when something moves.