Cloudflare Developer Platform vs Flagsmith
Workers, Pages, D1, R2, KV — edge-native serverless
vs. Open-source feature flags + remote config — SaaS, private cloud, self-host
Pricing tiers
Cloudflare Developer Platform
Free
Workers: 100k req/day, 10ms CPU/req. D1: 5M reads/day. KV: 100k reads/day. R2: 10 GB/mo. Durable Objects: 100k req/day.
Free
Workers Paid
$5/month minimum. 10M Workers req/mo + overages. Generous D1, KV, R2 allowances. All services unlocked.
$5/mo
Enterprise
Custom. Higher SLAs, dedicated support, account managers.
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 free on Cloudflare Developer Platform vs free on Flagsmith.
| Metric | Cloudflare Developer Platform | Flagsmith |
|---|---|---|
| d1 reads day | 5000000 rows/day | — |
| d1 storage gb | 5 GB | — |
| d1 writes day | 100000 rows/day | — |
| durable objects gb sec | 13000 GB-sec/day | — |
| durable objects requests | 100000 req/day | — |
| kv reads day | 100000 reads/day | — |
| kv storage gb | 1 GB | — |
| kv writes day | 1000 writes/day | — |
| r2 class a ops | 1000000 ops/month | — |
| r2 class b ops | 10000000 ops/month | — |
| r2 egress | free (unlimited) egress | — |
| r2 storage gb | 10 GB/month | — |
| workers cpu ms | 10 ms/invocation | — |
| workers logs events | 200000 events/day | — |
| workers requests day | 100000 req/day | — |
Features
Cloudflare Developer Platform · 18 features
- AI Gateway — Proxy for OpenAI/Anthropic/Gemini with caching, analytics, retries, rate limitin…
- D1 — Managed serverless SQLite via sqlite-wasm. Read replicas via replicas keyword.
- Durable Objects — Strongly-consistent objects with storage, pinned to a region. Good for sync/stat…
- Email Routing — Catchall email routing + Email Workers for programmatic handling.
- Hyperdrive — Connection pooler + cache for Postgres. Makes your DB edge-fast.
- Images — Store, resize, transform images. Polish on-the-fly.
- KV — Eventually-consistent key-value at every POP. Good for config, caching.
- Pages — Static + SSR framework hosting (Next.js via OpenNext, Remix, Nuxt, SvelteKit).
- Pages Functions — Workers integrated into Pages for backend logic.
- Queues — Persistent message queues with batched consumers. Exactly-once per consumer grou…
- R2 — S3-compatible object storage with **zero egress fees**.
- Stream — Video upload, encoding, adaptive streaming.
- Vectorize — Vector DB at the edge. For RAG + semantic search.
- Workers — V8-isolate serverless at 300+ POPs. Sub-ms cold starts. JS/TS/Rust/Python (beta)…
- Workers AI — Run LLMs (Llama, Mistral) + image, speech, embedding models at edge via @cf/... …
- Workers Logs — Structured logs with 3-day retention on paid.
- Workflows — Durable step-functions for long-running tasks.
- Zaraz — Third-party script management at edge (analytics, marketing tags).
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 | Cloudflare Developer Platform | Flagsmith |
|---|---|---|
| CLI | Wrangler CLI | Flagsmith CLI |
| SDK | — | flagsmith-android, flagsmith-go, flagsmith-ios, flagsmith-java, flagsmith-js (browser), flagsmith-nodejs, flagsmith-python, flagsmith-ruby |
| REST | Cloudflare REST API, D1 HTTP (via Worker), R2 S3-compatible API | Flagsmith REST API |
| MCP | Cloudflare MCP | — |
| OTHER | Workers Runtime (V8) | Flagsmith Dashboard, Flagsmith Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to Cloudflare Developer Platform and Flagsmith are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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