LangfuseOpen Source Agent Evals & Observability
vs
SentryApplication monitoring software considered "not bad" by millions of developers.
Comparison · Observability · weekly run Nov 3
Langfuse vs Sentry
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Sentry is the stronger AI pick in Observability: it has a visibility score of 4.7 versus 1.4 for Langfuse.
Choose Langfuse if…
- AI answers describe it more positively (50% vs 44% positive)
- You need a self-hosted or on-premises option
- You need HIPAA-ready region or GDPR coverage
- Discounted cloud pricing for qualifying early-stage startups
Choose Sentry if…
- You want the brand AI engines rank higher (4.7 vs 1.4)
- You want a lower entry price ($26 vs $29)
- You need HIPAA attestation or CAIQ or EU-US Data Privacy Framework self-certification coverage
- Most-used observability vendor with about 70% adoption in Ramp data
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Langfuse | Sentry |
|---|---|---|
| Visibility score | 1.4% | 4.7% |
| Change vs last week | New | New |
| Rank in Observability | #27 | #14 |
| Share of voice | 0.4% | 1.5% |
| Mentions this run | 2 | 9 |
| Positive in AI answers | 50% | 44% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Langfuse 0pp · Sentry 0pp over 0 weekly runs.
Engine by engine
Sentry leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
LangfuseSentry
Head to head in AI answers
0 engine answers name both brands
0Langfuse ranked higher
0Sentry ranked higher
Features, pricing & fit
| Dimension | Langfuse | Sentry |
|---|---|---|
| Pricing model | Usage-based | Usage-based |
| Entry price | Free; paid from $29 / mo | Free; paid from $26 / mo |
| Free plan | Yes | Yes |
| Deployment | Langfuse Cloud in US, EU, Japan and HIPAA regions, or self-hosted under the MIT license | Multi-tenant hosted service on Google Cloud Platform |
| Integrations | 100+ | — |
| Compliance | SOC 2 Type II, ISO 27001, HIPAA-ready region, GDPR | SOC 2 Type II, ISO 27001, HIPAA attestation, CAIQ, EU-US Data Privacy Framework self-certification |
| Support | Community support via GitHub, In-app support, Private Slack or MS Teams channel on Pro and Enterprise plans, Named lead support engineer on Enterprise plans | Community support via GitHub and Discord, Email support, Dedicated technical account manager on Business and Enterprise plans |
| Founded | — | 2011 |
| Headquarters | — | San Francisco, California, USA |
| Employees | — | 201–500 |
| Funding | Seed · $4M raised | Series E · $217M raised |
| Best for | Engineering teams building LLM applications and AI agents that want open-source, self-hostable tracing and evaluation | Developer teams that want errors, traces, logs and replays connected in one tool |
Plans side by side
Sentry
Developer$0forever, one user
Team$26per month, billed annually
Business$80per month, billed annually
EnterpriseCustomcustom, contact sales
Pros and cons
Themes from the AI answers that mention each brand
Langfuse
- Discounted cloud pricing for qualifying early-stage startups
- Well suited to evaluating and debugging LLM or agent behavior
Sentry
- Most-used observability vendor with about 70% adoption in Ramp data
- Strong for application error monitoring and tracking
- Good G2 ratings for developer workflows
- Listed among top observability options to evaluate
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Langfuse vs Sentry”, https://slateindex.ai/compare/langfuse-vs-sentry, data of Nov 3, 2026. Licence: CC BY 4.0.