AlloyDB for PostgreSQL vs Kong AI Gateway (2026): Pricing, Features & Verdict
AlloyDB for PostgreSQL and Kong AI Gateway both score 6.8/10 on our AI Software criteria. For 10 users, AlloyDB for PostgreSQL is free, against $25/mo for Kong AI Gateway; only AlloyDB for PostgreSQL has a free plan.
Last updated: November 2026
AlloyDB for PostgreSQL
6.8/10
Fully managed, PostgreSQL-compatible database service on Google Cloud for demanding transactional, analytical and AI workloads, with a downloadable Omni edition.
Kong AI Gateway
6.8/10
Kong AI Gateway governs LLM, MCP and agent-to-agent traffic for engineering teams, adding routing, guardrails, token quotas, caching and observability through Kong's API gateway platform.
Feature-by-Feature Comparison
| Feature | A AlloyDB for PostgreSQL | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.8/10 | 6.8/10 |
| Integration | 8/10 | 8/10 |
| Analytics | 8/10 | 7/10 |
| Customization | 6/10 | 9/10 |
| Ease of Use | 7/10 | 5/10 |
| Support | 6/10 | 6/10 |
| Cost | 4/10 | 4/10 |
| Scalability | 8/10 | 9/10 |
| Security | 9/10 | 8/10 |
| Pricing | ||
| Free plan | Yes | No |
| Cheapest paid plan | Contact for pricing | $25/mo Plus (AI Management) |
| Estimated cost for 10 users | Free AlloyDB Omni Developer Edition | $25/mo Plus (AI Management) |
| Features | ||
| Managed Databases | Not listed | |
| Managed WordPress | ||
| Multiple Regions | ||
| Uptime SLA | ||
| Shared Hosting | ||
| Automatic Backups | Not listed | |
AlloyDB for PostgreSQL vs Kong AI Gateway cost by team size
AlloyDB for PostgreSQL costs less at every team size we checked.
| Team size | AlloyDB for PostgreSQL | Kong AI Gateway |
|---|---|---|
| 1 user | FreeAlloyDB Omni Developer Edition | $25/moPlus (AI Management) |
| 5 users | FreeAlloyDB Omni Developer Edition | $25/moPlus (AI Management) |
| 10 users | FreeAlloyDB Omni Developer Edition | $25/moPlus (AI Management) |
| 25 users | FreeAlloyDB Omni Developer Edition | $25/moPlus (AI Management) |
| 50 users | FreeAlloyDB Omni Developer Edition | $25/moPlus (AI Management) |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Who AlloyDB for PostgreSQL and Kong AI Gateway suit
| Audience | AlloyDB for PostgreSQL | Kong AI Gateway |
|---|---|---|
| SaaS Companies | 8/10High-throughput Postgres compatibility and read pools suit growing SaaS backends on Google Cloud. | 7/10Token quotas, metering and billing features suit SaaS products that embed LLM calls. |
| Developers | 7/10Full Postgres compatibility, pgvector and AI integrations, plus the free Omni Developer Edition, appeal to developers building AI apps. | 7/10Offers a quickstart script, Docker and Kubernetes installs, and a unified API across LLM providers, though configuration has a learning curve. |
| Enterprise | 9/10The 99.99% SLA, CMEK encryption, cross-region disaster recovery and scaling to 128 vCPUs are aimed at large production workloads. | 9/10Enterprise pricing unlocks unlimited models and regions, SSO, RBAC, audit logs and 24x7 support tiers with SLAs. |
| IT Teams | Not rated | 8/10Platform teams get centralized governance, quotas, chargeback and guardrails across AI traffic. |
| Small Business | 3/10Premium pricing compared with Cloud SQL makes it a poor fit for small, simple databases. | Not rated |
| Startups | Not rated | 6/10Kong for Startups provides credits and 50% off AI Gateway, but the pricing stacks up across many components. |
Which One Should You Choose?
AWhy choose AlloyDB for PostgreSQL
- Has a free plan (Kong AI Gateway does not)
- Lower estimated cost for 10 users: Free vs $25/mo
- Higher Ease of Use score (7/10 vs 5/10)
- Higher Analytics score (8/10 vs 7/10)
Why choose Kong AI Gateway
- Higher Customization score (9/10 vs 6/10)
- Higher Scalability score (9/10 vs 8/10)
Pros & Cons
AAlloyDB for PostgreSQL
Pros
- Primary instances are highly available by default, with a 99.99% SLA and failover in under 60 seconds.
- The columnar engine lets teams run analytical queries on live transactional data without a separate warehouse.
- AlloyDB AI provides vector search with ScaNN indexes, SQL calls to Vertex AI, OpenAI and Anthropic models, and natural-language-to-SQL.
- Read pools of up to 20 nodes share storage, and storage scales automatically.
- Omni runs the same engine outside Google Cloud, which reduces lock-in.
Cons
- Independent analyses put it at roughly a 39% premium over Cloud SQL Enterprise.
- It supports only PostgreSQL. There is no MySQL or SQL Server option.
- Resizing an instance causes brief downtime, and you cannot freely choose Postgres versions.
- Very few independent user reviews exist on G2 and PeerSpot.
- Omni is self-managed, so you handle backups and high availability yourself.
Kong AI Gateway
Pros
- Governs LLM, MCP and agent-to-agent traffic in one gateway instead of separate tools.
- Ships many AI policies, including semantic caching, prompt compression, PII sanitization and AWS, Azure and GCP guardrail integrations.
- Flexible deployment: serverless, hybrid, dedicated cloud with a 99.99% SLA, or fully self-hosted.
- Teams that already run Kong for APIs can reuse the same plugin and control-plane model.
- Token quotas, showback and chargeback help split AI spend across teams.
Cons
- Pricing has many parts, with charges per control plane, per model, per request and per GB, so costs are hard to predict.
- Key AI plugins such as Semantic Cache and AI Proxy Advanced are paid add-ons on Plus.
- SSO, RBAC and audit logs require Enterprise.
- Reviewers report a steep learning curve and configuration overhead for plugin ordering and custom plugins.
- Plus support is email only with a 2-business-day response target.
Not sold on either?
Frequently Asked Questions
AlloyDB for PostgreSQL and Kong AI Gateway both score 6.8/10 on our AI Software criteria. The largest gap is in Customization: 6/10 for AlloyDB for PostgreSQL and 9/10 for Kong AI Gateway.
AlloyDB for PostgreSQL costs less for 10 users: free on its AlloyDB Omni Developer Edition plan, against about $25/mo on its Plus (AI Management) plan for Kong AI Gateway, billed monthly.
AlloyDB for PostgreSQL has a free plan; Kong AI Gateway does not list one.
