AssemblyAI vs Langfuse Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| AssemblyAI pricing | Langfuse pricing | |
|---|---|---|
| Starts at | Custom | $29/mo |
| Number of plans | 2 | 4 |
| Free plan | — | |
| Free trial | — | — |
| Pricing model | usage-based | hybrid |
Price is one row. To weigh the features too, use our feature comparison template →
Pay as you go
- Universal-3.5 Pro ($0.21/hr)
- Universal-2 ($0.15/hr)
- Universal-3.6 Pro Realtime ($0.45/hr)
- Universal-Streaming ($0.15/hr)
- Universal-Streaming Multilingual ($0.15/hr)
Custom
- Get custom rate limits, enhanced concurrency, and enterprise-grade flexibility tailored to your AI workloads.
Hobby
- All platform features (with limits)
- 50k units / month included
- 30 days data access
- 2 users
- Community support via GitHub
Core
- Everything in Hobby
- 100k units / month included, additional: $8/100k units. Lower with volume (pricing calculator)
- 90 days data access
- Unlimited users
- In-app support
Pro
- Everything in Core
- 100k units / month included, additional: $8/100k units. Lower with volume (pricing calculator)
- 3 years data access
- Data retention management
- Unlimited annotation queues
- High rate limits
- SOC2 & ISO27001 reports, HIPAA-ready region
- Prioritized in-app support
Enterprise
- Everything in Pro + Teams
- 100k units / month included, additional: $8/100k units. Lower with volume (pricing calculator)
- Audit Logs
- SCIM API
- Custom rate limits
- Uptime SLA
- Support SLA
- Named lead support engineer
AssemblyAI vs Langfuse FAQ
- Which one is cheaper?
- One or both use custom pricing, so it depends on your specific needs.
- Can I use either one for free?
- Langfuse has a free plan. AssemblyAI doesn't — you'll need to pay from day one.
- How do they charge?
- Different approach here. AssemblyAI uses usage-based pricing, while Langfuse goes with hybrid. That changes the math depending on your team size and usage.
- Which one is a better deal?
- Depends on what you need. AssemblyAI: With no free plan or trial and rates behind a calculator, they're signaling a quality-first API vendor rather than the race-to-the-bottom option, though the low-cent add-on prices keep the entry cost approachable. They're clearly targeting builders embedding speech AI into products who care about accuracy and model breadth over the cheapest per-minute rate. Langfuse: Langfuse plays the developer-friendly value card in the LLM observability space, with a generous free tier, a cheap $29 entry point, and a self-host escape hatch that undercuts closed-source rivals on trust and cost. Startup, EDU, and OSS discounts show they're courting the builder community first and treating enterprise as the follow-on revenue.
Still deciding? See the best AssemblyAI alternatives or the best Langfuse alternatives, ranked with verified pricing.
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