Dash0 vs Sema4.ai — Pricing, Plans, and Verified Costs (2026)
Dash0 starts at Free. Sema4.ai uses custom pricing — request a quote to compare.
How pricing works
These two tools don't price the same way, so the headline numbers below aren't directly comparable until you plug in your own volume.
- Dash0 (Per Usage) — Dash0 bills purely on usage — $0.20/M metrics + $0.60/M spans/logs/events (no monthly base). There is no fixed per-seat fee, so the monthly cost depends entirely on how much you consume.
- Sema4.ai (Per Usage) — Sema4.ai bills purely on usage. There is no fixed per-seat fee, so the monthly cost depends entirely on how much you consume.
Per-minute, per-credit and per-token rates exclude any downstream model, speech or telephony costs unless the vendor states otherwise.
Dash0 is a consumption-based OpenTelemetry-native observability platform with zero monthly base fee — pay only for data ingested. Rates: $0.20 per million metric data points (13-month retention), $0.60 per million spans/log records/web events (30-day retention), $0.20 per thousand synthetic API check runs (13-month retention), $0.60 per Agent0 AI credit, $10/user for AI Coding Insights. 14-day unlimited free trial, no credit card. Recently acquired Polar Signals.
Enterprise agentic automation platform from the makers of Robocorp. Provides a Python-native SDK for building autonomous AI agents that execute long-running business processes. Enterprise-only, all pricing custom-quoted. Focus on large enterprises replacing legacy RPA (UiPath, Automation Anywhere) with modern LLM-driven agents.
All plans compared
| Tier role | Plan | Dash0 monthly | Dash0 annual | Sema4.ai monthly | Sema4.ai annual |
|---|---|---|---|---|---|
| Free / starter | Pay-as-you-go / — | Free | Free | — | — |
| Enterprise | — / Enterprise | — | — | Custom | Custom |
Tier names differ across vendors. Rows are aligned by tier role, not name. Full tier structures on each tool's page.
What each is best for
Dash0 is worth it if… Dash0 is ideal for teams tired of predicting observability spend against per-host commits. Best if telemetry volume is bursty and you want granular per-signal cost visibility instead of tier-based billing.
Sema4.ai is worth it if… ai is worth engaging with if you're a large enterprise looking to replace legacy RPA (UiPath, Automation Anywhere) with modern LLM-native agents that reason and adapt. The Python-native SDK is the differentiator vs no-code RPA.
Bottom line: Similar positioning, closer to a preference call than a strategic one.
Choose Dash0 over Sema4.ai if…
Choose Dash0 if…
- You want to pay only for actual usage (per usage, a free entry tier).
- You match the profile Dash0 is built for: ideal for teams tired of predicting observability spend against per-host commits.
- You need a general-purpose developer & infrastructure option rather than a vertical-specific one.
Choose Sema4.ai if…
- You want to pay only for actual usage (per usage, custom pricing).
- You match the profile Sema4.ai is built for: Sema4.
- You need a general-purpose developer & infrastructure option rather than a vertical-specific one.
At a glance
| Dash0 | Sema4.ai | |
|---|---|---|
| Free plan | Yes | No |
| Entry price | Free | Custom |
| Enterprise available | No | Yes |
| Pricing model | Per Usage | Per Usage |
| Last verified | September 15, 2026 | — |
| Full pricing | View full pricing | View full pricing |
Pricing last verified September 15, 2026. Tracked daily.