Keywords AI vs One API
On the evidence we track, Keywords AI leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for llm gateways. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Keywords AI
LeaderAn LLM engineering platform providing a single endpoint to reach 1000+ language models from all major providers, with built-in request caching, automatic fallback when services fail, real-time cost and usage observability, and granular budget and rate limiting controls per key or user.
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.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Keywords AI
LeaderFree 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
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Keywords AI
Leader- PostHog
- Vercel AI
- n8n
- OpenTelemetry
One API
- 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
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.