Comet vs Deepgram 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
Pay As You Go
- No minimums. No expiration.
- No credit card required.
- Free $200 Credit
- All endpoint in public models
- Up to 50 for the REST API (Speech-to-Text)
- Up to 150 for the WSS API (Speech-to-Text)
- Up to 5 for Deepgram Whisper Cloud
- Up to 45 for the REST API + WSS API (Text-to-Speech)
- Up to 45 for the WSS API (Voice Agent API)
- Up to 10 for the REST API (Audio Intelligence)
- Community & Discord
- Standard Uptime
Growth
- With pre-paid credits for the year.
- Credits are redeemed against actual usage.
- Free $200 Credit
- All endpoints in public models
- Up to 50 for the REST API (Speech-to-Text)
- Up to 225 for the WSS API (Speech-to-Text)
- Up to 5 for Deepgram Whisper Cloud
- Up to 60 for the REST API + WSS API (Text-to-Speech)
- Up to 60 for the WSS API (Voice Agent API)
- Up to 10 for the REST API (Audio Intelligence)
- Community & Discord
- Standard Uptime
Enterprise
- For businesses with large volumes, data or deployment requirements, or support needs.
Comet vs Deepgram 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?
- 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?
- Both use a usage-based model, so the comparison is straightforward — it comes down to features and limits at each price point.
- 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. Deepgram: Deepgram positions as the developer-friendly, cost-efficient alternative to Google and AWS in the speech AI space — not the cheapest, but meaningfully cheaper than hyperscaler STT at scale. The no-credit-card free tier is a direct shot at winning developers before they default to an incumbent.
Still deciding? See the best Comet alternatives or the best Deepgram alternatives, ranked with verified pricing.
Keep tabs on both.
We'll monitor pricing changes for Comet and Deepgram and let you know when something moves.