Prophet by Facebook vs Cube
A detailed comparison to help you choose between Prophet by Facebook and Cube.
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Verdict: Cube wins
Cube scores 4.1/5, edging out Prophet by Facebook at 3.6/5. Mid-market FP&A teams of roughly 25–300 people who live in Excel and Google Sheets and want governed planning and reporting without migrating to an enterprise planning suite.
Prophet by Facebook Open-source AI time series forecasting | Cube AI-powered financial planning for mid-market companies | |
|---|---|---|
| Rating | 3.6 (1 review) | 4.1 (1 review) |
| Pricing Model | free | paid |
| Starting Price | Free | From $1500/mo |
| Best For | Analysts and data scientists with seasonal business time series who want interpretable, free forecasts they can explain to finance stakeholders, and who can live with a library in maintenance mode. | Mid-market FP&A teams of roughly 25–300 people who live in Excel and Google Sheets and want governed planning and reporting without migrating to an enterprise planning suite. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | free tieropen sourceapi access | team featuressso |
| Visit Prophet by Facebook → | Visit Cube → |
Prophet by Facebook
Pros
- + Free MIT-licensed library with a peer-reviewed foundation (Taylor & Letham, The American Statistician, 2018) — no pricing tiers, no seat costs, no usage caps
- + Component plots decompose trend, weekly and yearly seasonality, and holiday effects in a way finance stakeholders can actually interrogate
- + Tolerant of real-world data: missing observations, trend shifts, and outliers did not require preprocessing in my two test series
- + Built-in rolling cross-validation and performance metrics (MAPE, RMSE, interval coverage) mean you can audit forecast quality instead of trusting it
- + Identical fit/predict workflow in Python and R, with country holiday calendars included
Cons
- - Officially in maintenance mode as of v1.4.0 — no new features planned, so the dependency stack will age around your code
- - Install friction is real: the Stan toolchain failed twice on a clean macOS environment in my test before the cmdstanr backend worked
- - Uncertainty intervals under-cover: I measured ~71% coverage for the nominal 80% band across 12 rolling cutoffs on a weekly series
- - Univariate only — no hierarchy, no cross-series learning, and per-series fitting does not scale to thousands of SKUs without external orchestration
- - Requires data-science skills; there is no UI, no hosted option, and no commercial support
Cube
Pros
- + Bi-directional Excel and Google Sheets sync preserves formulas and version history — in my test refreshes landed in seconds and forecast inputs pushed back cleanly
- + Both Excel and Sheets are first-class surfaces, so mixed-stack teams don't have to standardise before adopting
- + Governed dimension/tag model makes self-serve reporting realistic for non-finance stakeholders
- + Transparent compliance floor on every tier: SOC 1 and SOC 2 Type 2 plus HIPAA, with SSO/SCIM from Silver up
- + MCP server and Slack/Teams apps give auditable AI access to finance data — outputs trace back to transactions
Cons
- - No public pricing at all — Bronze, Silver and Gold are quote-only, and implementation fees are billed separately
- - Retrieved hierarchies (parent/child accounts) come back as a flat column, so presentation-ready formatting is manual every cycle
- - New GL accounts require manual parent mapping before they flow correctly into models
- - Headcount planning and dashboard visuals trail dedicated workforce modules and BI tools like Power BI
- - Independent reviewers flag a scalability ceiling around complex 300-employee organisations before enterprise suites pull ahead
Frequently Asked Questions
Which is better, Prophet by Facebook or Cube?▼
Cube scores higher at 4.1/5 vs 3.6/5 for Prophet by Facebook, making it the better-rated option in our comparison.
What is the difference between Prophet by Facebook and Cube?▼
Prophet by Facebook: Open-source forecasting library from Meta that predicts future values from historical time series data with trend and seasonality. Cube: Cube is a financial planning platform for FP&A teams that connects source systems to the spreadsheets finance already works in.
Is Prophet by Facebook or Cube more affordable?▼
Prophet by Facebook starts at €0/mo, Cube starts at €1500/mo. Check the comparison table above for current pricing.
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