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AskWatch vs Langfuse
Short answer: Pick AskWatch if you want AI brand mention tracking; pick Langfuse if you want LLM observability & analytics. AskWatch starts at $100/month; Langfuse has a free plan, paid from $29/month.
AskWatchSee if AI recommends you or your competitors..png?width=96)
LangfuseOpen Source Observability & Analytics for LLM Apps 🕵️♂️Which to pick
Pick AskWatch if you want…
- AI brand mention tracking
- Integrations with ChatGPT, Google AI Overviews or Google AI Mode (on AskWatch's list, not Langfuse's)
Pick Langfuse if you want…
- LLM observability & analytics
- A free plan to start with (Hobby)
- Open-source code (langfuse/langfuse on GitHub)
- Integrations with Python, TypeScript or Go (on Langfuse's list, not AskWatch's)
Side by side
- What it is
- AskWatch:AskWatch tracks AI engine answers to see if your brand is mentioned and helps improve AI visibility.
- Langfuse:Langfuse is an open-source platform for tracing, evaluating and monitoring LLM applications and AI agents.
- Best for
- AskWatch:AI brand mention tracking
- Langfuse:LLM observability & analytics
- Who it’s for
- AskWatch:Marketers, agencies, and brand teams that need AI visibility.
- Langfuse:Developers building, debugging and scaling LLM-based apps and agents.
- Pricing
- AskWatch:Paid
- Langfuse:Freemium
- Starting price
- AskWatch:$100/month (Monitor)
- Langfuse:$29/month (Core)
- Free plan or trial
- AskWatch:Free trial
- Langfuse:Free plan (Hobby)
- Plans
- AskWatch:Monitor $100/ mo per month
- Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month
- Open source
- AskWatch:—
- Langfuse:Yes, 35,097 GitHub stars
- Works with
- AskWatch:ChatGPT, Google AI Overviews, Google AI Mode, Perplexity, Copilot, Gemini
- Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift
AskWatch features
- Visibility tracking. Shows the share of AI answers that mention your brand across six engines.
- Position analysis. Shows where your brand appears in the answer (first, last, etc.).
- Sentiment monitoring. Reports how AI describes your brand and flags outdated or negative language.
- Source insights. Lists the pages and domains AI trusts when generating answers for your category.
- Autopilot agents. Writer, Scout, and Publisher agents create content and place guest posts based on gaps.
- API & MCP server. Provides REST API and MCP server to pull visibility data into your own tools.
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.
AskWatch vs Langfuse FAQ
What is the difference between AskWatch and Langfuse?+
Langfuse: Observability for LLM apps, not brand mention tracking.
Should I use AskWatch or Langfuse?+
Pick AskWatch if you want AI brand mention tracking or integrations with ChatGPT, Google AI Overviews or Google AI Mode (on AskWatch's list, not Langfuse's). Pick Langfuse if you want LLM observability & analytics, a free plan to start with (Hobby) or open-source code (langfuse/langfuse on GitHub).
Is AskWatch or Langfuse free?+
AskWatch is paid, from $100/month (Monitor), with a free trial. Langfuse has a free plan (Hobby); paid plans start at $29/month (Core).
Which is cheaper, AskWatch or Langfuse?+
Langfuse is cheaper to start with: Langfuse's Core plan ($29/month) against AskWatch's Monitor plan ($100/month).
Is AskWatch or Langfuse open source?+
Langfuse is open source (langfuse/langfuse on GitHub). DevHunt has no public source repository on record for AskWatch.
Do AskWatch and Langfuse integrate with the same tools?+
Their integration lists don't overlap: AskWatch lists ChatGPT, Google AI Overviews, Google AI Mode, Perplexity and 2 more; Langfuse lists Python, TypeScript, Go, Java and 10 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.