Vercel vs PostHog
Frontend cloud for Next.js and modern web frameworks
vs. Open source product analytics — all-in-one dev tool
Pricing tiers
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
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
Free-tier quotas head-to-head
Comparing hobby on Vercel vs free on PostHog.
| Metric | Vercel | PostHog |
|---|---|---|
| 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 | 1 users | unlimited members |
Features
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.
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.
Developer interfaces
| Kind | Vercel | PostHog |
|---|---|---|
| CLI | Vercel CLI | — |
| SDK | @vercel/client | posthog-android, posthog-flutter, posthog-go, posthog-ios (Swift), posthog-js, posthog-node, posthog-php, posthog-python, posthog-react-native, posthog-ruby |
| REST | Vercel REST API | PostHog REST API |
| MCP | Vercel MCP | PostHog MCP |
| OTHER | Edge Runtime Bindings | Webhooks + Actions |
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