Cursor vs Langfuse
AI-native code editor — VS Code fork with deep AI integration
vs. Open-source LLM engineering platform — observability, prompts, evals
Pricing tiers
Cursor
Hobby (Free)
Free. Limited Agent requests + Tab completions. No credit card.
Free
Pro
$20/month. Extended Agent limits, frontier models, MCPs + skills + hooks, cloud agents.
$20/mo
Teams
$40/user/month. Shared chats + commands + rules, centralized billing, RBAC, SAML/OIDC SSO.
$40/mo
Pro+ (Recommended)
$60/month. Everything in Pro + 3x usage on OpenAI, Claude, Gemini.
$60/mo
Ultra
$200/month. 20x usage multiplier + priority access to new features.
$200/mo
Enterprise
Custom. Pooled usage, SCIM, AI code tracking API + audit logs, priority support.
Custom
Langfuse
Hobby (Cloud Free)
Free. 50k units/month included. 30 days data access. 2 users. Community support.
Free
Self-Hosted (OSS)
MIT-licensed. Docker Compose or Kubernetes deployment. Unlimited.
$0 base (usage-based)
Core
$29/month. 100k units included ($8 per 100k overage). 90 days retention. Unlimited users. In-app support.
$29/mo
Pro
$199/month. 100k units included + same overage. 3 YEARS retention. Unlimited annotation queues. High rate limits.
$199/mo
Teams Add-on
+$300/month. Adds Enterprise SSO + fine-grained RBAC + dedicated Slack support to Pro.
$300/mo
Enterprise
$2,499/month. Everything + custom rate limits, uptime SLA, dedicated support engineer. Yearly options.
$2499/mo
Free-tier quotas head-to-head
Comparing hobby on Cursor vs hobby on Langfuse.
| Metric | Cursor | Langfuse |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Cursor · 15 features
- Agent Mode — Autonomous multi-file editing + tool use. Runs terminal commands with confirmati…
- Background Agents — Run agents in the cloud to tackle longer tasks async.
- BugBot (PR reviews) — AI reviewer on GitHub PRs.
- Chat (⌘L) — Conversational chat with codebase context.
- Cmd-K Inline Edit — Highlight code + ⌘K → natural language edit instruction.
- Codebase Indexing — Embedding-based semantic search over your codebase.
- Composer — Multi-file edit sessions with full context.
- .cursorrules / Project Rules — Custom system prompts per project to steer the AI.
- MCP Support — Add Model Context Protocol servers to extend agent capabilities.
- Privacy Mode — Data never used for training; zero-retention routing.
- Skills & Hooks — User-defined skills library + lifecycle hooks.
- Tab (multi-line completion) — Predictive completions including next-edit suggestions.
- Team Shared Context — Share chats, commands, rules across team.
- VS Code Extension Compat — Most VS Code extensions work via the marketplace.
- YOLO Mode — Auto-approve all agent actions (for trusted workflows).
Langfuse · 16 features
- Annotation Queues — Human reviewers rate traces. Unlimited on Pro+.
- Dashboards — Aggregate metrics, cost, quality across projects.
- Datasets — Curate test sets from production traces. Run experiments.
- EU Cloud Region — GDPR-compliant hosting in EU.
- Evaluations — LLM-as-judge, manual scores, custom model-graded evaluators.
- LLM Cost Tracking — Automatic cost calculation per provider/model.
- OpenTelemetry Native — OTel SDK → Langfuse endpoint works out of box.
- Playground — Test prompts + models + variables live.
- Prompt Management — Version, tag, label prompts. Reference from code by label.
- Public API — Full REST API for ingest, query, prompt management.
- Python @observe decorator — One-line decorator to trace any function.
- Self-Hosting — Docker Compose + k8s Helm chart.
- Sessions — Group related traces (conversations, agent runs).
- Tracing — Capture every LLM call, tool call, nested span with inputs/outputs/cost.
- Users Tracking — Segment traces by user ID, track per-user cost.
- Webhooks — Subscribe to trace completion events.
Developer interfaces
| Kind | Cursor | Langfuse |
|---|---|---|
| CLI | Cursor CLI | — |
| SDK | — | langfuse-js, langfuse-python |
| REST | — | Langfuse REST API |
| MCP | Cursor MCP support | Langfuse MCP Server |
| OTHER | Cursor Desktop App, Cursor Rules (.cursorrules), Privacy Mode | Langfuse Dashboard, OpenTelemetry endpoint |
Staxly is an independent catalog of developer platforms. Outbound links to Cursor and Langfuse are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.