Comparison

Kong AI Gateway vs One API

On the evidence we track, Kong AI Gateway leads this comparison with a composite score of 56/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Kong AI Gateway full profile →One API full profile →

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★Kong AI Gateway56

One API48

Attribute comparison across 2 tools
Attribute	Kong AI GatewayLeader	One API
Vioscale score	56 / 100low · 36%	48 / 100low · 27%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	free
Transparentpricing.transparent	✗	-
Integrations
Countintegrations.count	16	13
Security
Gdprsecurity.gdpr	✓	-
Vulnerabilitiessecurity.vulnerabilities	-	Count: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fsongquanpeng%2Fone-api&per_page=100 · Last 12m: 1 · Max severity: MODERATE
Adoption
Dependent reposadoption.dependent_repos	-	0
Github starsadoption.github_stars	-	36,589
Activity
Commits last 30dactivity.commits_last_30d	-	0
Release
Cadence daysrelease.cadence_days	-	19
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	MIT
Language
Primarylanguage.primary	-	JavaScript
Market
Availabilitymarket.availability	Available worldwide	-

Score

Vioscale score

Kong AI Gateway56 / 100low · 36%

One API48 / 100low · 27%

Pricing

Free tier

Kong AI Gateway✓

One API–

Model

Kong AI Gatewayfreemium

One APIcommercial

Price level

Kong AI Gatewaylow

One APIfree

Transparent

Kong AI Gateway✗

One API–

Integrations

Count

Kong AI Gateway16

One API13

Security

Gdpr

Kong AI Gateway✓

One API–

Vulnerabilities

Kong AI Gateway–

One APICount: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fsongquanpeng%2Fone-api&per_page=100 · Last 12m: 1 · Max severity: MODERATE

Adoption

Dependent repos

Kong AI Gateway–

One API0

Github stars

Kong AI Gateway–

One API36,589

Activity

Commits last 30d

Kong AI Gateway–

One API0

Release

Cadence days

Kong AI Gateway–

One API19

History

Kong AI Gateway–

One API20 items

License

Spdx

Kong AI Gateway–

One APIMIT

Language

Primary

Kong AI Gateway–

One APIJavaScript

Market

Availability

Kong AI GatewayAvailable worldwide

One API–

Capabilities

Feature-by-feature on the axes that matter for llm gateways. “-” means undocumented, not absent.

Capability comparison for Llm Gateways
Capability	Kong AI Gateway	One API
Capabilities
Openai compatible API	✓	✓
Automatic failover	✓	-
Routing strategy	-	-
Caching	Semantic	-
Virtual key management	✓	✓
Budget spend controls	✓	✓
Rate limiting	✓	✓
Guardrails moderation	-	-
Request cost observability	✓	✓
Streaming support	-	✓
Deployment model	-	Self hosted
Open source	✓	✓
Pricing model	-	Open source self host

Capabilities

Openai compatible API

Kong AI Gateway✓

One API✓

Automatic failover

Kong AI Gateway✓

One API-

Routing strategy

Kong AI Gateway-

One API-

Caching

Kong AI GatewaySemantic

One API-

Virtual key management

Kong AI Gateway✓

One API✓

Budget spend controls

Kong AI Gateway✓

One API✓

Rate limiting

Kong AI Gateway✓

One API✓

Guardrails moderation

Kong AI Gateway-

One API-

Request cost observability

Kong AI Gateway✓

One API✓

Streaming support

Kong AI Gateway-

One API✓

Deployment model

Kong AI Gateway-

One APISelf hosted

Open source

Kong AI Gateway✓

One API✓

Pricing model

Kong AI Gateway-

One APIOpen source self host

What each one is

The product in its own terms, so the numbers below have context.

Kong AI Gateway

Leader

Kong AI Gateway is a control platform that routes and governs all AI-related traffic—including language model requests, agent-to-agent communication, and model context protocol interactions—with unified security, monitoring, and compliance enforcement across an organization's AI infrastructure.

Independently observed

One API

An open-source system for managing and redistributing API access across multiple large language model providers—including OpenAI, Claude, Gemini, and others—through a single OpenAI-compatible API. Deploys as a self-contained binary or Docker container.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Kong AI Gateway

Leader

HybridFree tier

as of 2026-08-21verify ↗

One API

Open source

as of 2026-08-21verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Kong AI Gateway	One API
WebPlatforms	✓	✓
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✓	✓
HybridDeployment	✓	✗

Platforms

Web

Kong AI Gateway✓

One API✓

Linux

Kong AI Gateway✓

One API✗

CLI

Kong AI Gateway✓

One API✓

Deployment

Cloud / SaaS

Kong AI Gateway✓

One API✗

Self-hosted

Kong AI Gateway✓

One API✓

Hybrid

Kong AI Gateway✓

One API✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)

OpenAI

Kong AI Gateway

Leader

24 total - 23 not shared

Anthropic
AWS Bedrock
GCP Gemini
Azure AI
Databricks
Mistral
Huggingface
Llama
AWS Bedrock Guardrails
Azure Content Safety
Google Cloud Model Armor
Prometheus
Datadog
Grafana
Git
CertManager
Google Cloud Gemini
Hugging Face
Docusign
Kafka
AWS Kinesis
Google Pub/Sub
RabbitMQ

Independently observed

One API

13 total - 12 not shared

Azure OpenAI
Anthropic Claude
Google Gemini
DeepSeek
ByteDance Douyin
ChatGLM
Baidu ERNIE Bot
iFLYTEK Spark
Alibaba Tongyi Qianwen
360 Brain
Tencent Hunyuan
Cloudflare Gateway

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.