Cloud Provider主要選択肢比較。AWS (EC2/S3/Lambda/RDS Aurora 17・市場シェア33%)・GCP (Cloud Run/Firestore/BigQuery/Vertex AI 27%)・Azure (Functions/CosmosDB/OpenAI Service 22%)・Cloudflare (Workers/R2/D1/Hyperdrive・Edge特化)・Vercel (Frontend Cloud)・Fly.io・Railway・Render・Hetzner Cloud・OVH・Linode (Akamai)・¥0-¥制限なし、2026年AI推論GPU争奪激化。