Staxly

Bolt.new vs Langfuse

Prompt to full-stack app in your browser — by StackBlitz
vs. Open-source LLM engineering platform — observability, prompts, evals

Bolt.new ↗Langfuse website ↗

Pricing tiers

Bolt.new

Free
1M tokens/month. 300K tokens/day cap. Public + private projects. 10MB file uploads. Hosting + unlimited DBs.
Free
Pro
$25/month. Starts at 10M tokens/month, no daily cap. No Bolt branding, 100MB uploads, custom domains, SEO support, image AI edit. Rollover tokens.
$25/mo
Teams
$30/member/month. Centralized billing, team access, private NPM registries, design system knowledge.
$30/mo
Enterprise
Custom. SSO, audit logs, dedicated account manager, 24/7 support.
Custom
Bolt.new ↗

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
Langfuse website ↗

Free-tier quotas head-to-head

Comparing free on Bolt.new vs hobby on Langfuse.

MetricBolt.newLangfuse
No overlapping quota metrics for these tiers.

Features

Bolt.new · 14 features

  • Browser Terminal — Real shell in-browser. Run npm install, scripts, etc.
  • Deploy to Netlify — One-click deploy to Netlify.
  • Deploy to Vercel — One-click deploy to Vercel.
  • Design System Knowledge — Team plan: shared design-system context for consistent UI.
  • Expo Support — Build React Native/Expo apps too.
  • GitHub Export — Push full project to a new GitHub repo.
  • Image Input — Upload image/sketch → Bolt generates matching UI.
  • Import Existing Project — Upload an existing repo and iterate in Bolt.
  • Live Edit + Run — Edit code + hot reload alongside AI agent.
  • Private NPM Registries — Team plan: use private packages.
  • Prompt to App — Describe app → Bolt scaffolds + codes + runs it in the browser.
  • Stripe Integration — Hook up Stripe payments in-chat.
  • Supabase Integration — Provision + connect Supabase from chat.
  • WebContainer runtime — Node.js + terminal + filesystem running entirely in your browser.

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

KindBolt.newLangfuse
SDK—langfuse-js, langfuse-python
REST—Langfuse REST API
MCP—Langfuse MCP Server
OTHERBolt Web App, GitHub Export, StackBlitz Sync, WebContainer runtimeLangfuse Dashboard, OpenTelemetry endpoint
Staxly is an independent catalog of developer platforms. Outbound links to Bolt.new and Langfuse are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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