“Why not just build this internally?”

You can. Here's what you'll miss.

Great tools — for observability. They track tokens, latency, and traces per request. AI Margin does something different: it calculates profit margin per feature. Observability ≠ Profitability. Langfuse tells you how many tokens your chatbot used. AI Margin tells you whether your chatbot makes money. You’ll likely keep both.
BI dashboards show total spend per provider — maybe per model. Building feature-level P&L requires custom data pipelines, revenue mapping, and ongoing maintenance. Most teams estimate 2–3 months of engineering to build what AI Margin provides in 5 minutes. And your BI dashboard won’t generate board-ready PDF reports or detect margin anomalies automatically. BI shows cost. It doesn’t calculate feature-level gross margin.
Provider dashboards show your total bill. They don’t show which features are profitable and which are destroying your margins. They also can’t show you cross-provider spend, feature-level P&L, or optimization recommendations. And you’ll need to check 2–3 dashboards separately. One dashboard. All providers. Profit, not just cost.
If you’re spending under $10K/month on AI, you’re probably right — the ROI math doesn’t work yet. Bookmark us and come back. But if you’re at $20K+ and growing, you’re in the zone where hidden margin leakage compounds fast. The teams that catch it early save the most.

If you're confident your AI features are priced correctly, you don't need AI Margin. Most teams aren't.