
liteLLM
boldrouter
Portkey
Eden AI
APIPark
Helicone AI
OpenAI
A router for LLMs and other AI models

Deno
Full-stack Javascript Components for one-dev armies
Which is more popular?
Based on our record, OpenRouter seems to be more popular. It has been mentioned 64 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | openrouter.ai | nullstack.app |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Nullstack yet.
Walkthroughs and reviews on video.
The AI Tool Most Serious Writers Are Using (OpenRouter Review)
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Full-stack with Nullstack - Part 3
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How often each product is chosen within a category, 0–100% relative to the other.


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Recommendations tracked on public social media and blogs since March 2021.


OpenRouter — the default router for experimentation. The free tier covers low-stakes calls, and the model catalog means I can A/B test providers without touching config. OpenRouter - Merge — my main paid gateway. One API for the models I... - Source: dev.to / 2 days ago
(You can get a free API key from openrouter.ai for a few test calls). - Source: dev.to / 3 days ago
Groq currently offers one of the most generous genuinely free tiers, 14,400 requests a day, for fast LLM inference with no credit card required. OpenRouter is the best option if you want to compare multiple models through a single API key. - Source: dev.to / 5 days ago
Tracking Nullstack since Apr 2021.
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✨#1 Open Source AI Gateway & API Developer Portal
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