Comparison

Keywords AI vs One API

On the evidence we track, Keywords AI leads this comparison with a composite score of 62/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Keywords AI62
One API46
Score
vioscaleAI score
Keywords AI62 / 100medium · 68%
One API46 / 100medium · 54%
Pricing
Free tier
Keywords AI✓
One API✓
Model
Keywords AIfreemium
One APIcommercial
Price level
Keywords AIhigh
One APIfree
Starting price
Keywords AI$199
One API–
Transparent
Keywords AI✓
One API–
Integrations
Count
Keywords AI2
One API12
Security
Gdpr
Keywords AI✓
One API–
Hipaa
Keywords AI✓
One API–
Iso27001
Keywords AI✓
One API–
Soc2
Keywords AI✓
One API–
Trust center
Keywords AI–
Reliability
Sla pct
Keywords AI99.9
One API–
Adoption
Dependent repos
Keywords AI–
One API0
Github stars
Keywords AI–
One API37,155
Activity
Commits last 30d
Keywords AI–
One API0
Release
Cadence days
Keywords AI–
One API19
History
Keywords AI–
One API20 items
License
Spdx
Keywords AI–
One APIMIT
Language
Primary
Keywords AI–
One APIJavaScript
Market
Availability
Content
Faq
Keywords AI7 items
One API6 items

Capabilities

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

Capabilities
Openai compatible API
Keywords AI✓
One API✓
Automatic failover
Keywords AI✓
One API✓
Routing strategy
Keywords AICustom
One APILoad based
Caching
Keywords AIExact
One API-
Virtual key management
Keywords AI✓
One API✓
Budget spend controls
Keywords AI✓
One API✓
Rate limiting
Keywords AI✓
One API✓
Guardrails moderation
Keywords AI-
One API-
Request cost observability
Keywords AI✓
One API✓
Streaming support
Keywords AI-
One API✓
Deployment model
Keywords AIManaged SaaS
One APISelf hosted
Open source
Keywords AI-
One API✓
Pricing model
Keywords AIUsage based saas
One APIOpen source self host

What each one is

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

Keywords AI

Leader

Provides tools for monitoring language model performance, managing prompts, and evaluating language model outputs for engineering teams

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.

Keywords AI

Leader
from $199/moHybridFree tier

Free tier available. Team plan $199/month. Usage add-ons from $1/1k scores and $8/100k logs. Enterprise on request.

  • FreeFree
    • Full platform
    • 2 evaluators
    • 5 prompts
    • Log management
    • Community Discord
  • Team$199/month
    • Everything in Free
    • Unlimited datasets
    • Unlimited evaluators
    • Unlimited prompts
    • Private Slack channel
    • +2 more
  • EnterpriseContact sales
    • Custom packages
    • Volume discount
    • Custom SLAs
    • Dedicated support engineer
    • HIPAA BAA
as of verify ↗

One API

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
Web
Keywords AI✓
One API✓
CLI
Keywords AI✓
One API✗
Deployment
Cloud / SaaS
Keywords AI✓
One API✗
Self-hosted
Keywords AI✓
One API✓

Integrations

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

Keywords AI

Leader
4 total
  • PostHog
  • Vercel AI
  • n8n
  • OpenTelemetry
Independently observed

One API

26 total
  • OpenAI
  • Azure OpenAI
  • Anthropic Claude
  • Google Gemini
  • DeepSeek
  • ByteDance Douyin
  • ChatGLM
  • Baidu ERNIE Bot
  • iFLYTEK Spark
  • Alibaba Tongyi Qianwen
  • 360 Brain
  • Tencent Hunyuan
  • Cloudflare Gateway
  • Alibaba Qwen
  • Tencent Yuan
  • Baidu Wenxin
  • Byte Doubao
  • 360 AI Brain
  • Claude
  • Gemini
  • Doubao
  • Ernie
  • Spark
  • Qwen
  • +2 more
Independently observed
Still deciding?

Keywords AI or One API: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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