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Langfuse vs AEO Mantis
Provides observability for LLM apps, not brand citation tracking
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LangfuseOpen Source Observability & Analytics for LLM Apps 🕵️♂️
AEO MantisGet your brand cited by ChatGPT, Gemini, and more.Which to pick
Pick Langfuse if you want…
- LLM observability & analytics
- LLM app monitoring
- Integrations with Python, TypeScript or Go (on Langfuse's list, not AEO Mantis')
Pick AEO Mantis if you want…
- AI-search citation monitoring
- The lower starting price: $20/month against $29/month
- Integrations with ChatGPT, Gemini or Perplexity (on AEO Mantis' list, not Langfuse's)
Side by side
- What it is
- Langfuse:Langfuse is an open-source platform for tracing, evaluating and monitoring LLM applications and AI agents.
- AEO Mantis:AEO Mantis monitors AI answer engines to show how often your brand is cited, its sentiment and competitor visibility.
- Best for
- Langfuse:LLM observability & analytics
- AEO Mantis:AI-search citation monitoring
- Who it’s for
- Langfuse:Developers building, debugging and scaling LLM-based apps and agents.
- AEO Mantis:Brand, marketing, SEO, product and growth teams that need AI-search visibility.
- Pricing
- Langfuse:Freemium
- AEO Mantis:Freemium
- Plans
- Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month
- AEO Mantis:Free $0 · Starter $20/mo per month · Pro $50/mo per month · Growth $100/mo per month · Scale $200/mo per month
- Open source
- Langfuse:Yes, 35,097 GitHub stars
- AEO Mantis:Yes
- Works with
- Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift
- AEO Mantis:ChatGPT, Gemini, Perplexity, Google AI Overview, Google AI Mode, Bing Copilot
Langfuse features
- Hierarchical Traces. Capture every LLM call, tool invocation and retrieval step with filters for user, session, cost and latency.
- Prompt Management. Version, fetch, release and cache prompts separately from code with one-click deployments.
- Evaluation Engine. Run LLM-as-judge, heuristic or human-review evaluations on production data or experiments.
- Experiments & Datasets. Define test cases, run experiments and create golden datasets for continuous improvement.
- Dashboards & Alerts. Monitor cost, latency and quality via custom dashboards and automated alerts.
- Human Annotation. Collaborative human-in-the-loop workflows with annotation queues.
- Extensive Integrations. Supports Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift and 100+ agent frameworks and model providers.
- Self-hosted & Cloud Options. Available as hosted SaaS or self-hosted under MIT license.
AEO Mantis features
- Multi-platform monitoring. Tracks brand mentions, citation rate and sentiment across ChatGPT, Gemini, Perplexity, Google AI Overview, Google AI Mode and Bing Copilot.
- Competitor benchmarking. Shows share of voice and citation gaps versus named competitors in AI answers.
- Site audit & AI-citability check. Runs a free audit of schema, author signals and FAQ coverage to improve AI citation readiness.
- Content Kit. Generates citation-ready articles and rewrites based on real AI-cited sources.
- Research & prompt library. Discovers high-intent prompts customers use and lets you organize them by topic, locale and funnel stage.
- Team collaboration & reporting. Allows multiple seats, exports CSV reports and provides scheduled opportunity reports for the team.
Langfuse vs AEO Mantis FAQ
Is Langfuse or AEO Mantis free?+
Langfuse has a free plan (Hobby); paid plans start at $29/month (Core). AEO Mantis has a free plan; paid plans start at $20/month (Starter).
Which is cheaper, Langfuse or AEO Mantis?+
AEO Mantis is cheaper to start with: AEO Mantis' Starter plan ($20/month) against Langfuse's Core plan ($29/month).
Is Langfuse or AEO Mantis open source?+
Yes, both are open source: Langfuse (langfuse/langfuse on GitHub) and AEO Mantis (iklynow-hue/pilotcite on GitHub).
Do Langfuse and AEO Mantis integrate with the same tools?+
Their integration lists don't overlap: Langfuse lists Python, TypeScript, Go, Java and 10 more; AEO Mantis lists ChatGPT, Gemini, Perplexity, Google AI Overview and 2 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.