AI Data
Comet vs Lightdash
Two ai data tools, what each is better at, what each costs, and the one we would pick.
We rate it higher
Comet
From $19/mo
LLM observability, evaluation and ML experiment tracking
Pros
- ✓ A free tier exists for both Opik Cloud and MLOps, and the page says no credit card is required.
- ✓ Opik has a self-hostable open-source version using the same codebase as the hosted product.
- ✓ Opik Free Cloud includes up to 10 team members and 25k spans per month with 60-day retention.
Cons
- ✗ Opik Free and Pro Cloud both cap span data retention at 60 days; longer retention costs $29 per 100k spans.
- ✗ Opik Pro Cloud is limited to 50 team members and 100k spans per month.
We rate it higher
Lightdash
From $3000/mo
AI-native BI platform built on your dbt project
Pros
- ✓ Unlimited users on all plans, including the free self-hosted open source version.
- ✓ Native dbt integration and open semantic layer.
- ✓ 21-day free trial for Cloud Pro with no payment details required.
Cons
- ✗ Requires a dbt project to use.
- ✗ Cloud Pro starts at $3,000 per month.
| Comet | Lightdash | |
|---|---|---|
| From | $19/mo | $3000/mo |
| Free Tier | Yes ✓ | Yes ✓ |
| Our Rating | Not rated | Not rated |
| Pricing | freemium | freemium |
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Summary
We have not used both of these yet, so there is no score to pick a winner with. What they cost, who they suit and what each one does is in the table above.
Some links here earn us a commission. We earn it whether we praised the tool or not, which is why the verdict does not move for it.