· palaniappan p · 3 min read
AWS Bedrock vs OpenAI API: Enterprise Decision Guide 2026
Choose between AWS Bedrock and OpenAI API for enterprise generative AI. Compare pricing, compliance, latency, and feature trade-offs.
Tag: saas
· palaniappan p · 4 min readHow to Build Multi-Tenant GenAI on AWS Bedrock
Build SaaS with AI: multi-tenant architecture on Bedrock, cost isolation, and tenant data security.
· Palaniappan P · 12 min readHow to Build a Cost-Optimized SaaS Stack on AWS (End-to-End Reference)
A B2B SaaS stack that costs $500/month at launch does not need to cost $50,000/month at 100,000 users if the architecture decisions at each stage are deliberate. This is the end-to-end reference architecture with real cost numbers.
· Palaniappan P · 9 min readAWS Cognito Authentication for SaaS Applications
A practical guide to AWS Cognito for SaaS authentication — user pools, hosted UI, social federation, multi-tenant patterns, token customization, and the architecture decisions that determine whether Cognito fits your application.
· Palaniappan P · 7 min readDynamoDB Single-Table Design Patterns for SaaS Applications
A practical guide to DynamoDB single-table design for SaaS — covering access patterns, tenant isolation, GSI strategies, and the patterns that make DynamoDB the ideal serverless database.
· Palaniappan P · 9 min readSaaS Multi-Tenancy on AWS: Silo vs Pool vs Bridge Model
A practical guide to SaaS multi-tenancy architecture on AWS — comparing silo, pool, and bridge isolation models with trade-offs for cost, security, compliance, and operational complexity.