Cloudflare Developer Platform vs OpenAI API
Workers, Pages, D1, R2, KV — edge-native serverless
vs. Frontier models: GPT-5, o-series reasoning, image, audio, embeddings
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
OpenAI API
Free Tier (Trial)
$5 free credit for new accounts. Rate-limited.
Free
Pay-as-you-go
No monthly min. Per-token pricing by model.
$0 base (usage-based)
Usage Tiers (1-5)
Automatic tier promotion based on cumulative spend. Higher tiers = higher rate limits + new model access.
$0 base (usage-based)
Enterprise
Custom. Priority access, SLA, dedicated capacity.
Custom
Free-tier quotas head-to-head
Comparing free on Cloudflare Developer Platform vs free-tier on OpenAI API.
| Metric | Cloudflare Developer Platform | OpenAI API |
|---|---|---|
| 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).
OpenAI API · 12 features
- Assistants API — Stateful assistants with tools, threads, file search.
- Batch API — 50% discount for async processing within 24h.
- Chat Completions API — Classic /v1/chat/completions endpoint.
- Files API — Upload docs for retrieval, fine-tuning, batch.
- Fine-Tuning — Supervised + DPO fine-tuning for GPT-4o, GPT-4.1, GPT-4o-mini.
- Function Calling — JSON-schema tool calling; parallel calls supported.
- Moderation — Safety classifier API (free).
- Prompt Caching — Auto-cache repeated prefixes; 50% cheaper cached hits.
- Realtime API — WebSocket streaming voice + text with low latency.
- Responses API — Stateful conversational API.
- Structured Outputs — Enforced JSON schema compliance.
- Vision — Image input for GPT models.
Developer interfaces
| Kind | Cloudflare Developer Platform | OpenAI API |
|---|---|---|
| CLI | Wrangler CLI | — |
| SDK | — | openai-dotnet, openai-go, openai-node, openai-python |
| REST | Cloudflare REST API, D1 HTTP (via Worker), R2 S3-compatible API | OpenAI REST API |
| MCP | Cloudflare MCP | OpenAI MCP |
| OTHER | Workers Runtime (V8) | Realtime API (WebSocket) |
Staxly is an independent catalog of developer platforms. Outbound links to Cloudflare Developer Platform and OpenAI API are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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