Langfuse Pricing 2026
Complete pricing guide with plans, hidden costs, and cost analysis
Langfuse has a free plan. Paid plans start at $29/month (Core) and go up to $2499/month.
Langfuse costs Free to $2.5K per month as of April 2026, with 4 plans available including a free tier. Plans: Hobby (free), Core at $29/month, Pro at $199/month, and Enterprise at $2499/month. Pricing depends on your chosen tier, contract length, and negotiated discounts.
Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.
- Free tier: Yes
Langfuse offers 4 pricing tiers: Hobby, Core, Pro, Enterprise. A free plan is available. Paid plans include Core at $29/month, Pro at $199/month, Enterprise at $2499/month. The Core plan is small teams shipping to production.
Compared to other ai observability & evals software, Langfuse is positioned at the premium price point.
- 3 documented hidden costs beyond list price
How much does Langfuse cost?
Langfuse Pricing Overview
Langfuse has 4 pricing plans, including a free tier. Paid plans range from $0 to $2,499/month. The Hobby plan is free and is best for side projects and evaluation. The Core plan costs $29/month, best for small teams shipping to production. The Pro plan costs $199/month, best for production teams with compliance needs. The Enterprise plan costs $2,499/month, best for regulated industries and large orgs.
There are at least 3 documented hidden costs beyond Langfuse's list price, including implementation, training, and add-on fees.
This pricing was last verified in April 23, 2026.
Langfuse pricing starts at $0/month on the Hobby plan, which covers core LLM tracing, observability, and prompt management on Langfuse Cloud. Teams needing advanced workflow features — LLM Playground, human annotation queues, and LLM-as-a-judge evaluators — can upgrade to the Core plan at $29/month or the Pro plan at $199/month. Large organizations with custom requirements can access the Enterprise plan at $2,499/month.
How Langfuse Pricing Compares
Compare Langfuse pricing against top alternatives in AI Observability & Evals.
All Langfuse Plans & Pricing
| Plan | Monthly | Annual | Best For |
|---|---|---|---|
| Hobby | Free | Free | Side projects and evaluation |
| Core | $29 /month | $29 /year | Small teams shipping to production |
| Pro | $199 /month | $199 /year | Production teams with compliance needs |
| Enterprise | $2499 /month | $2499 /year | Regulated industries and large orgs |
View all features by plan
Hobby
- 50k units/month included
- 2 users
- 30-day data retention
- All core features
Core
- 100k units/month included
- Unlimited users
- 90-day retention
- Email support
Pro
- 100k units/month included
- Unlimited users
- 3-year retention
- Priority support
- Optional Teams add-on ($300/mo)
Enterprise
- 100k units/month included
- Unlimited users
- 3-year retention
- SSO/SAML
- SOC2
- Dedicated support
- Self-host option
Usage-Based Rates
Per-unit pricing for Langfuse API usage.
Core
| Item | Dimension | Unit | Rate |
|---|---|---|---|
| observation | request | 100k units | $8.00 |
- Graduated overage: $8/100k (100k-1M), $7/100k (1M-10M), $6.50/100k (10M-50M), $6/100k (50M+)
Pro
| Item | Dimension | Unit | Rate |
|---|---|---|---|
| observation | request | 100k units | $8.00 |
Enterprise
| Item | Dimension | Unit | Rate |
|---|---|---|---|
| observation | request | 100k units | $8.00 |
- Volume pricing available with annual commitment
Compare Langfuse vs Alternatives
Before committing to Langfuse, compare pricing with these 3 alternatives in the same category.
What Companies Actually Pay for Langfuse
Langfuse Year 1 Total Cost by Company Size
Real deployment costs including licenses, implementation, training, and admin — not just the sticker price.
Individual developer using Langfuse Cloud for LLM observability and prompt management on personal or early-stage projects.
Small team needing managed cloud infrastructure with core observability features beyond the Hobby tier.
Mid-sized team requiring LLM Playground, human annotation queues, LLM-as-a-judge evaluators, and Prompt Experiments — whether on cloud or self-hosted.
Large organization requiring enterprise-grade features, SLAs, and dedicated support.
Team requiring LLM Playground, human annotation queues, LLM-as-a-judge evaluators, and Prompt Experiments on Langfuse Cloud.
Current tier data
How Langfuse Pricing Compares
| Software | Starting Price | Top Price |
|---|---|---|
| Langfuse | Free | $2499/month |
| Arize Phoenix | Free | $1000/month |
| Braintrust | Free | $1000/month |
| Helicone | Free | $2000/month |
| Humanloop | Custom | Custom |
| LangSmith | Free | $500/seat/month + per trace |
Detailed pricing comparisons:
How to Negotiate Langfuse Pricing
Langfuse contracts are negotiable. These 2 tactics are sourced from real buyer experiences and procurement specialists.
The Hobby plan on Langfuse Cloud is free forever and includes core tracing, observability, prompt management, and even Prompt Experiments. Use this to fully validate fit with your stack before upgrading. You have no time pressure to pay until you hit a hard feature wall.
Reddit (r/selfhosted, 2025-02-18)Self-hosted Langfuse OSS is free for core features. Before moving to Core ($29/month) or Pro ($199/month) on Cloud, calculate your internal DevOps cost for maintaining a self-hosted instance. For teams already running Hetzner or similar infrastructure, self-hosting may be net cheaper — but only if your team has the bandwidth to maintain it.
Reddit (r/selfhosted, 2025-02-18)Langfuse Pricing FAQ
01 Can I self-host Langfuse for free?
You can self-host Langfuse's core OSS features for free. However, advanced capabilities — including Prompt Experiments, LLM Playground, Human annotation queues, and LLM-as-a-judge evaluators — require a paid commercial plan even on self-hosted deployments. The Core plan starts at $29/month and the Pro plan at $199/month.
02 Are prompt experiments included in the free Hobby plan?
On Langfuse Cloud, prompt experiments are available on the free Hobby plan. When self-hosting, however, prompt experiments are part of the commercial offering and are not included in the free open-source version — a distinction that has caught teams off guard.
03 Does Langfuse support AWS Bedrock?
Langfuse integrates with AWS Bedrock, but as of late 2024 the integration has known gaps: there is no pricing data in the default Bedrock model configurations and no playground integration. Teams running heavy Bedrock workloads should verify current integration status before committing.
04 How does Langfuse compare in price to LangSmith?
Langfuse is widely cited as a lower-cost alternative to LangSmith, with some users explicitly switching due to LangSmith's premium pricing. Langfuse's Hobby plan is free, Core is $29/month, and Pro is $199/month. LangSmith is described in community discussions as having 'premium pricing' relative to the observability space.
05 Is Langfuse really free to use?
Yes — the Hobby plan on Langfuse Cloud is free forever and includes core LLM observability, tracing, and prompt management. On Langfuse Cloud specifically, Prompt Experiments are also included on the free Hobby plan. Self-hosted OSS is also free for core features.
06 Do I need a paid plan to use Prompt Experiments when self-hosting?
Yes. Prompt Experiments are free on Langfuse Cloud (including the Hobby plan), but when self-hosting, they are part of the commercial offering and require a paid plan. You can run end-to-end experiments on Langfuse datasets via the SDK for free in the OSS version as an alternative.
07 What features are locked behind paid plans on Langfuse?
Paid plans (Core at $29/month and above) unlock LLM Playground, human annotation queues, and LLM-as-a-judge evaluators on both Cloud and self-hosted. When self-hosting specifically, Prompt Experiments also require a paid plan. The free Hobby tier covers core tracing, observability, and prompt management.
Is this pricing incorrect? — we'll verify and update it.