LangfuseOpen Source Agent Evals & Observability
vs
TrueFoundryThe Enterprise AI Gateway for LLMs, MCPs & Agents
Comparison · MLOps Platforms · weekly run Nov 2
Langfuse vs TrueFoundry
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
TrueFoundry is the stronger AI pick in MLOps Platforms: it has a visibility score of 1.4 versus 0.3 for Langfuse.
Choose Langfuse if…
- AI answers describe it more positively (50% vs 0% positive)
- You need SOC 2 Type II or ISO 27001 or HIPAA-ready region coverage
- Usage-based pricing suits your budget better than per seat
- Discounted cloud pricing for qualifying early-stage startups
Choose TrueFoundry if…
- You want the brand AI engines rank higher (1.4 vs 0.3)
- You want a lower entry price ($25 vs $29)
- You need SOC 2 or HIPAA or ITAR coverage
- Per seat pricing suits your budget better than usage-based
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Langfuse | TrueFoundry |
|---|---|---|
| Visibility score | 0.3% | 1.4% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #51 | #35 |
| Share of voice | 0.2% | 0.6% |
| Mentions this run | 1 | 4 |
| Positive in AI answers | 50% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Langfuse 0pp · TrueFoundry 0pp over 0 weekly runs.
Engine by engine
TrueFoundry leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
LangfuseTrueFoundry
Head to head in AI answers
0 engine answers name both brands
0Langfuse ranked higher
0TrueFoundry ranked higher
Features, pricing & fit
| Dimension | Langfuse | TrueFoundry |
|---|---|---|
| Pricing model | Usage-based | Per seat |
| Entry price | Free; paid from $29 / mo | Free; paid from $25 per seat / mo |
| Free plan | Yes | Yes |
| Deployment | Langfuse Cloud in US, EU, Japan and HIPAA regions, or self-hosted under the MIT license | SaaS, or self-hosted in customer VPC, on-premises, air-gapped or across multiple clouds |
| Integrations | 100+ | — |
| Compliance | SOC 2 Type II, ISO 27001, HIPAA-ready region, GDPR | SOC 2, HIPAA, GDPR, ITAR |
| 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 | 24/7 support with SLA-backed response, In-app chat bot and Discord, Support portal, Priority support with SLA and dedicated Slack channel |
| Founded | — | 2021 |
| Headquarters | — | San Francisco, CA |
| Employees | — | 51–200 |
| Funding | Seed · $4M raised | Series A · $21M raised |
| Best for | Engineering teams building LLM applications and AI agents that want open-source, self-hostable tracing and evaluation | Teams shipping AI to production, from small groups on the free tier to organizations running AI at scale that need governance, SSO and SLAs |
Plans side by side
TrueFoundry
Developer$0free forever
Pro$25per user / month
EnterpriseCustomcustom annual commitment
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
TrueFoundry
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Langfuse vs TrueFoundry”, https://slateindex.ai/compare/langfuse-vs-truefoundry, data of Nov 2, 2026. Licence: CC BY 4.0.