| 1 | Cloudflare WorkersBest default for webhook receivers, setup APIs, and static frontend companion backend. | 100k requests/day | 5.8/10 |
| 2 | Deno DeployDeno Deploy runs JavaScript/TypeScript at the edge with a built-in KV store and a free tier for personal projects. | 1M requests/month | 7.2/10 |
| 3 | Vercel FunctionsFrontend-friendly functions and deploy previews. | 1M invocations/month | 7.1/10 |
| 4 | Oracle Cloud FunctionsServerless functions-as-a-service on Oracle Cloud Infrastructure, built on the open-source Fn Project, with a recurring monthly free allowance. | Card required at signup | 6.3/10 |
| 5 | AWS LambdaEvent-driven serverless compute that runs your code on demand without provisioning or managing servers, billed per request and per millisecond of compute. | Monthly free quota | 6.2/10 |
| 6 | Google Cloud Run functionsEvent-driven serverless functions on Google Cloud (formerly Cloud Functions) with a perpetual monthly free tier. | Billing account required | 6.2/10 |
| 7 | Upstash | WorkflowDurable serverless workflow steps with retries, sleeps, callbacks, HTTP calls, and QStash-backed scheduling. | 1,000 steps/day | 6.2/10 |
| 8 | Val TownVal Town lets you write, run and schedule small TypeScript/JavaScript functions in the cloud with HTTP endpoints, crons and an MCP integration. | 100,000 runs/day | 6.0/10 |
| 9 | Scaleway Serverless FunctionsEuropean cloud FaaS that runs Go, Node, Python, PHP, and Rust code on demand with a permanent monthly free allowance. | Monthly request allowance | 5.6/10 |
| 10 | RenderStarter web service: 0.5 CPU / 512MB RAM at $7/mo (~$0.05/hr); Standard 1 CPU / 2GB at $32/mo (~$0.20/hr). Free tier of 750 instance-hours/month per workspace. | — | 4.9/10 |
| 11 | AWS LambdaLambda on Graviton2 (Arm) for up to ~34% better price/perf vs x86; duration ~$0.0000133/GB-s, same $0.20/M requests, shares the 1M requests + 400,000 GB-s free tier. | — | 4.7/10 |
| 12 | AWS LambdaPay-per-use: $0.20/M requests plus duration in 1ms increments per GB-second. Free tier 1M requests + 400,000 GB-seconds/month. Arm/Graviton2 up to ~20% cheaper. | — | 4.7/10 |
| 13 | DigitalOcean FunctionsOn-demand serverless functions with a flat always-free monthly compute allowance and no idle costs. | 90,000 GiB-seconds/month free compute | 4.7/10 |
| 14 | DigitalOcean FunctionsPay-per-use: $0.0000185/GiB-second of memory+runtime. Free allowance of 90,000 GiB-seconds (25 GiB-hours)/month per team across all functions. No per-request fee. | — | 4.7/10 |
| 15 | Scaleway ServerlessEUR 0.50 per 100k GB-s after a 400,000 GB-s/month free tier per account; provisioned EUR 0.000017/GB-s. EU-based, GDPR-friendly. | — | 4.7/10 |
| 16 | Google Cloud RunPay-per-use container compute by vCPU-s and GiB-s plus $0.40/M requests. Free tier: 180,000 vCPU-s, 360,000 GiB-s, 2M requests/month. Scale-to-zero; request- or instance-based bill | 180k vCPU-s + 2M requests/mo free | 4.6/10 |
| 17 | Vercel SandboxIsolated, ephemeral Linux microVMs for safely running untrusted or AI-generated code. | 5,000 creations/mo | 4.4/10 |
| 18 | Yandex Cloud FunctionsServerless function-as-a-service that runs your code on demand with no VM management, billed per invocation and GB-hour of execution. | Monthly free allowance resets | 4.4/10 |
| 19 | Azure FunctionsFlex Consumption: $0.000004/GB-s idle baseline and $0.000016/GB-s execution, plus $0.40/M executions. Free grant of 250,000 executions and 100,000 GB-s/month per subscription. | Free grant of executions/GB-s | 4.0/10 |
| 20 | Netlify FunctionsStatic hosting plus functions for simple APIs. | 300 credits/month (hard cap) | 3.8/10 |
| 21 | GitHub ActionsFree-ish scheduled or manual jobs for technical users. | 2,000 free minutes/month (Free plan) | 3.2/10 |