Vercel vs Flagsmith
Frontend cloud for Next.js and modern web frameworks
vs. Open-source feature flags + remote config — SaaS, private cloud, self-host
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
Flagsmith
Free
$0. 50,000 API requests/mo. 1 team member. Unlimited flags. Community support.
Free
Self-hosted
$0 (OSS). Host yourself via Docker/K8s. Fair-source license (non-compete).
$0 base (usage-based)
Start-up
$40/mo. 1,000,000 API requests/mo. 3 team members. Standard support.
$40/mo
Scale-up
$200/mo. 5,000,000 API requests. 10 team members. Priority support + SLA.
$200/mo
Enterprise
Custom. Unlimited API requests, SSO, SAML, RBAC, audit logs, on-prem.
Custom
Free-tier quotas head-to-head
Comparing hobby on Vercel vs free on Flagsmith.
| Metric | Vercel | Flagsmith |
|---|---|---|
| bandwidth gb month | 100 GB/month | — |
| edge requests | 1000000 requests/month | — |
| function invocations | 1000000 invocations/month | — |
| memory gb hrs | 360 GB-hrs/month | — |
| team members | 1 users | — |
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.
Flagsmith · 14 features
- A/B Testing — Multivariate flag splits.
- Audit Log — Full history of flag changes.
- Change Requests — Approval workflow for flag changes.
- Edge API — Global low-latency flag eval.
- Feature Flags — Boolean + multivariate + JSON flags.
- Local Evaluation — Server SDKs eval flags locally — no per-req API call.
- Percentage Rollouts — Gradual traffic ramp.
- Remote Config — Non-boolean config values.
- Role-Based Access — Fine-grained permissions.
- Scheduled Flags — Time-based flag changes.
- Segments — Rule-based targeting.
- Self-Hosting — Docker/Helm install.
- SSO + SAML — Enterprise SSO.
- Webhooks — Outbound event streaming.
Developer interfaces
| Kind | Vercel | Flagsmith |
|---|---|---|
| CLI | Vercel CLI | Flagsmith CLI |
| SDK | @vercel/client | flagsmith-android, flagsmith-go, flagsmith-ios, flagsmith-java, flagsmith-js (browser), flagsmith-nodejs, flagsmith-python, flagsmith-ruby |
| REST | Vercel REST API | Flagsmith REST API |
| MCP | Vercel MCP | — |
| OTHER | Edge Runtime Bindings | Flagsmith Dashboard, Flagsmith Webhooks |
Staxly is an independent catalog of developer platforms. Some links to Vercel and Flagsmith may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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