kitio.aiLangfuse vs Bifrost
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Langfuse starts at $29/mo and Bifrost starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- LLM tracing
- OpenTelemetry support
- Prompt management
- Evaluations and datasets
- Self-hosting
- Drop-in SDK replacement
- Multi-provider routing
- Budgets and virtual keys
- Guardrails
- MCP gateway
- OpenTelemetry metrics and traces
| Feature | Langfuse | Bifrost |
|---|---|---|
| Best for | Open-source LLM observability, prompt management and evals | Open-source AI gateway for routing, governing and monitoring LLM calls |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $29/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | ClickHouse | Maxim AI |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Langfuse starts at $29/mo and Bifrost starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Hobby
Free
- Free cloud plan
- Limited usage and history
Core
$29/mo
- 100k units included, $8/100k extra
- 90 days data access
- Unlimited users
Pro
$199/mo
- 3 years data access
- High rate limits
- SOC2 and ISO27001 reports
Enterprise
$2499/mo
- Audit logs and SCIM API
- Uptime and support SLA
- Named support engineer
2 plans
OSS
Free
- Self-hosted via Docker, K8s or binary
- Drop-in SDK replacement
- OTel metrics and traces
- Community support
Enterprise
Contact sales
- 14-day free trial
- Licensed enterprise features
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Langfuse
- Free to self-host
- No seat-based fees
- Works with any framework
- Self-hosting needs ops work
- Advanced features on paid tiers
- UI can feel dense
Bifrost
- Free open-source self-hosted version
- One-line switch from provider SDKs
- Low added latency per request
- Enterprise pricing requires contacting sales
- Self-hosting needs ops work
- Governance features sit in Enterprise
Which one should you choose?
Choose Langfuse if you want:
- Free to self-host
- No seat-based fees
- Works with any framework
Watch out: self-hosting needs ops work.
Choose Bifrost if you want:
- Free open-source self-hosted version
- One-line switch from provider SDKs
- Low added latency per request
Watch out: enterprise pricing requires contacting sales.
Langfuse vs Bifrost FAQ
What is the difference between Langfuse and Bifrost?
Langfuse: Open-source LLM observability, prompt management and evals. Bifrost: Open-source AI gateway for routing, governing and monitoring LLM calls. Both are models & apis tools.
Is Langfuse or Bifrost cheaper?
Langfuse starts at $29/mo and Bifrost starts at See pricing page. Check both pricing pages for current plans.
Do Langfuse and Bifrost have free plans?
Langfuse: Yes. Bifrost: Yes.
Who makes Langfuse?
Langfuse is made by ClickHouse, based in United States.
Who makes Bifrost?
Bifrost is made by Maxim AI.
Which should I choose, Langfuse or Bifrost?
Choose Langfuse if you value free to self-host and no seat-based fees. Choose Bifrost if you value free open-source self-hosted version and one-line switch from provider sdks.