Datadog vs Flowise — Pricing, Plans, and Verified Costs (2026)
Datadog starts at $18/mo. Flowise starts at $35/mo. Datadog is $17/mo cheaper on the entry tier than Flowise.
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.
- Datadog (Per Usage) — Datadog bills on usage — host on top of a paid plan starting at $18/mo. The plan includes an allowance; anything beyond it is metered.
- Flowise (Hybrid) — Flowise is hybrid: a fixed subscription from $35/mo plus metered usage on top. Your real bill moves with volume, not seat count.
Per-minute, per-credit and per-token rates exclude any downstream model, speech or telephony costs unless the vendor states otherwise.
The dominant cloud observability platform (metrics, logs, traces, APM), publicly traded (DDOG), ~$45B market cap. Positioned as the alternative to New Relic + Splunk + PagerDuty stitched together. Distinctive for its notorious usage-based pricing that has surprised engineering teams with 6-figure monthly bills (Coinbase's leaked contract was ~$65M/year in 2022). Priced by seat + host + volume across 20+ meters. Popular with engineering teams; feared by finance teams.
Open-source AI agent + LLM workflow builder with visual drag-and-drop UI. Flowise Cloud pricing: Free (limited flows), Starter $35/mo (unlimited flows, 100K predictions), Pro $65/mo (300K predictions + team features), Enterprise custom. Self-hosted version is fully free (Apache 2.0). Popular with developers who want a visual LangChain alternative without writing code.
All plans compared
| Tier role | Plan | Datadog monthly | Datadog annual | Flowise monthly | Flowise annual |
|---|---|---|---|---|---|
| Free / starter | Free / Self-hosted | Free | Free | Free | Free |
| Entry paid | Infrastructure Pro / Starter | $18 | $15 | $35 | $35 |
| Pro / power | — / Pro | — | — | $65 | $65 |
| Enterprise | Infrastructure Enterprise / Enterprise | $27 | $23 | 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
Datadog is worth it if… infrastructure teams (10+ engineers) that need APM + logs + metrics + synthetics + RUM in one platform — the observability default at mid-market and enterprise scale. Infrastructure covers hosts; APM, Logs, RUM, Synthetics, Database Monitoring each priced separately per module.
Flowise is worth it if… developers who want to build AI agent workflows visually without writing LangChain code. 0), which makes it a serious option for teams that already run their own infrastructure.
Bottom line: Choose based on how you want to pay — Datadog is per usage, Flowise is hybrid.
Choose Datadog over Flowise if…
Choose Datadog if…
- You want to pay only for actual usage (per usage, from $18/mo).
- You match the profile Datadog is built for: infrastructure teams (10+ engineers) that need APM + logs + metrics + synthetics + RUM in one platform — the observability default at mid-market and enterprise scale.
- You need a general-purpose developer & infrastructure option rather than a vertical-specific one.
Choose Flowise if…
- You're fine with a base subscription plus metered usage on top (from $35/mo).
- You match the profile Flowise is built for: developers who want to build AI agent workflows visually without writing LangChain code.
- You need a general-purpose developer & infrastructure option rather than a vertical-specific one.
At a glance
| Datadog | Flowise | |
|---|---|---|
| Free plan | Yes | Yes |
| Entry price | $18/mo | $35/mo |
| Enterprise available | Yes | Yes |
| Pricing model | Per Usage | Hybrid |
| Verification | Pricing under review | Pricing under review |
| Full pricing | View full pricing | View full pricing |
Pricing last verified September 26, 2026. Verification cadence varies by tool; check each tool page.