AI/ML API
#1Choose AI/ML API if your work leans toward rag, education.
Paid
At a glance
OpenRouter vs 4| Tool | Pricing | Notes | Upvotes | Compare |
|---|---|---|---|---|
 OpenRouterThis tool | Paid | API | - | - |
| AI/ML APIUnified API marketplace for 200+ AI and machine learning models | Paid | - | - | - |
 PortkeyAI gateway that unifies LLM providers with reliability and observability | Paid | - | - | - |
 Together AIRun and fine-tune leading open-source LLMs at cloud scale | Paid | Open source | - | - |
| Paid | API | - | - |
All 4 alternatives
Ranked by upvotesPortkey
#2Choose Portkey if your work leans toward llm.
Paid
Together AI
#3Choose Together AI if you need to self-host or audit the source, or if your work leans toward fine tuning.
PaidOpen source
OpenAI API
#4Also does api, like OpenRouter. Choose OpenAI API if your work leans toward llm, rag, speech to text.
PaidAPI