Compare
Langfuse vs PDF to Markdown
Short answer: Pick Langfuse if you want LLM observability & analytics; pick PDF to Markdown if you want hosted PDF-to-Markdown conversion. Langfuse has a free plan, paid from $29/month; PDF to Markdown has a free plan.
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LangfuseOpen Source Observability & Analytics for LLM Apps 🕵️♂️
PDF to MarkdownFast PDF parsing into developer-friendly Markdown.Which to pick
Pick Langfuse if you want…
- LLM observability & analytics
- Self-hosted conversion
- Open-source code (langfuse/langfuse on GitHub)
- Integrations with Python, TypeScript or Go (on Langfuse's list, not PDF to Markdown's)
Pick PDF to Markdown if you want…
- Hosted PDF-to-Markdown conversion
- Integrations with Claude, ChatGPT or Cursor (on PDF to Markdown's 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.
- PDF to Markdown:PDFtoMarkdown.ai converts PDFs (and other docs) into clean, agent-ready Markdown via web UI, REST API or MCP server.
- Best for
- Langfuse:LLM observability & analytics
- PDF to Markdown:Hosted PDF-to-Markdown conversion
- Who it’s for
- Langfuse:Developers building, debugging and scaling LLM-based apps and agents.
- PDF to Markdown:Developers building AI agents, RAG pipelines, or content workflows that need structured Markdown.
- Pricing
- Langfuse:Freemium
- PDF to Markdown:Freemium
- Starting price
- Langfuse:$29/month (Core)
- PDF to Markdown:—
- Free plan or trial
- Langfuse:Free plan (Hobby)
- PDF to Markdown:—
- Plans
- Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month
- PDF to Markdown:Top up (prepaid credits) from $0.024 / page · Pay-as-you-go $0.03 / page metered monthly
- Open source
- Langfuse:Yes, 35,097 GitHub stars
- PDF to Markdown:—
- Works with
- Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift
- PDF to Markdown:Claude, ChatGPT, Cursor, Codex, Hermes Agent, Obsidian, LangChain
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.
PDF to Markdown features
- Multi-format support. Upload PDF, DOCX, PPTX, XLSX, images, HTML or EPUB up to 25 MB (100 MB for paid accounts).
- Structured output. Preserves headings, tables, OCR text and embedded images in Markdown.
- Smart OCR & AI tidy. Optional Force OCR mode and Claude/GPT-4o pass to improve scanned PDFs.
- API & MCP access. REST API and MCP server let agents call the converter programmatically.
- Privacy controls. Original files are not permanently stored; users can delete or disable history.
- Fast conversion. Typical documents finish in under 30 seconds.
Langfuse vs PDF to Markdown FAQ
What is the difference between Langfuse and PDF to Markdown?+
Langfuse: Open-source PDF-to-Markdown pipelines require self-hosting and CLI setup.
Should I use Langfuse or PDF to Markdown?+
Pick Langfuse if you want LLM observability & analytics, self-hosted conversion or open-source code (langfuse/langfuse on GitHub). Pick PDF to Markdown if you want hosted PDF-to-Markdown conversion or integrations with Claude, ChatGPT or Cursor (on PDF to Markdown's list, not Langfuse's).
Is Langfuse or PDF to Markdown free?+
Langfuse has a free plan (Hobby); paid plans start at $29/month (Core). PDF to Markdown has a free plan and paid plans.
Is Langfuse or PDF to Markdown open source?+
Langfuse is open source (langfuse/langfuse on GitHub). DevHunt has no public source repository on record for PDF to Markdown.
Do Langfuse and PDF to Markdown integrate with the same tools?+
Partly. Both list LangChain. Langfuse also lists Python, TypeScript, Go, Java and 9 more; PDF to Markdown also lists Claude, ChatGPT, Cursor, Codex and 2 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.