PostHog vs Vercel
Open source product analytics — all-in-one dev tool
vs. Frontend cloud for Next.js and modern web frameworks
Pricing tiers
PostHog
Free (generous)
No credit card. Each product has its own free monthly quota. Great for startups + OSS.
Free
Paid (usage-based)
Pay only what you use, after free quotas. Volume discounts at higher tiers. 6 projects, 7-year retention.
$0 base (usage-based)
Self-Hosted (OSS)
MIT-licensed. Run on your own infra via Docker/k8s. Zero vendor lock-in.
$0 base (usage-based)
Enterprise
Custom. SAML SSO, dedicated CSM, custom SLA.
Custom
Vercel
Hobby (Free)
Free forever. 100 GB bandwidth, 1M functions, 360 GB-hrs memory, 1M edge requests. 1 developer. Hard caps.
Free
Pro
$20/user/month. 1 TB bandwidth, pay-as-you-go overages. Team seats, concurrent builds.
$20/mo
Enterprise
Custom pricing. SLA, SSO, audit logs, dedicated support.
Custom
Free-tier quotas head-to-head
Comparing free on PostHog vs hobby on Vercel.
| Metric | PostHog | Vercel |
|---|---|---|
| bandwidth gb month | — | 100 GB/month |
| data warehouse rows | 1000000 rows/month | — |
| edge requests | — | 1000000 requests/month |
| error tracking exceptions | 100000 exceptions/month | — |
| feature flags requests | 1000000 requests/month | — |
| function invocations | — | 1000000 invocations/month |
| llm analytics events | 100000 events/month | — |
| logs gb | 50 GB/month | — |
| memory gb hrs | — | 360 GB-hrs/month |
| product analytics events | 1000000 events/month | — |
| projects | 1 projects | — |
| retention years | 1 year | — |
| session replay recordings | 5000 recordings/month | — |
| surveys responses | 1500 responses/month | — |
| team members | unlimited members | 1 users |
Features
PostHog · 14 features
- A/B Testing — Experiments with significance analysis.
- Data Pipelines — Export events to BigQuery, Snowflake, S3.
- Data Warehouse — Query external sources (Stripe, Hubspot, S3) alongside events with SQL.
- Error Tracking — Sentry-style error tracking in same platform.
- Feature Flags — Rollout flags with targeting, A/B testing, JSON payloads.
- LLM Analytics — Tracing + cost tracking for OpenAI, Anthropic, Gemini, etc.
- Logs — Centralized log ingest with free 50 GB/month.
- Product Analytics — Events, funnels, trends, retention, paths. SQL insights available.
- Revenue Tracking — Integration with Stripe for revenue + churn metrics.
- Self-Hosting — Docker/Helm. Full feature parity with cloud.
- Session Replay — Watch user sessions. Privacy controls, masked inputs, JS errors.
- SQL Query API — Run ClickHouse SQL over your events via API.
- Surveys — In-app surveys + feedback widgets.
- Workflows — Trigger emails/webhooks on events.
Vercel · 15 features
- Cron Jobs — Scheduled serverless functions. JSON config in vercel.json.
- Edge Functions — V8-isolate serverless functions at edge locations. Lower cold start than Lambda.
- Edge Middleware — Intercept requests at edge before hitting origin — auth, routing, A/B tests.
- Git-based Deploys — Auto-deploy from GitHub, GitLab, Bitbucket on every push. Preview URLs for every…
- Image Optimization — On-the-fly resize, format conversion (AVIF, WebP), CDN caching.
- Incremental Static Regeneration — Re-generate static pages on-demand or via revalidate. Next.js-native.
- Log Drains — Stream logs to Datadog, Axiom, Logtail, HTTP endpoints.
- Preview Deployments — Unique URL per Git branch/PR. Password-protect or share. Infinite.
- Serverless Functions — Node.js, Python, Go. AWS Lambda under the hood. Up to 15 min duration.
- Speed Insights — Real User Monitoring. FCP, LCP, CLS, INP per page.
- Vercel Blob — Managed object storage (S3-compatible API).
- Vercel KV (Redis) — Managed Redis via Upstash. Edge-accessible.
- Vercel Marketplace — One-click integrations: Supabase, Clerk, Sentry, PostHog, Resend, 100+ services.
- Vercel Postgres — Managed Neon Postgres. Edge-accessible with @vercel/postgres.
- Web Analytics — Privacy-friendly web analytics. Core Web Vitals, visitors, pages.
Developer interfaces
| Kind | PostHog | Vercel |
|---|---|---|
| CLI | — | Vercel CLI |
| SDK | posthog-android, posthog-flutter, posthog-go, posthog-ios (Swift), posthog-js, posthog-node, posthog-php, posthog-python, posthog-react-native, posthog-ruby | @vercel/client |
| REST | PostHog REST API | Vercel REST API |
| MCP | PostHog MCP | Vercel MCP |
| OTHER | Webhooks + Actions | Edge Runtime Bindings |
Staxly is an independent catalog of developer platforms. Outbound links to PostHog and Vercel are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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