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A router for LLMs and other AI models

Exercism
Codewars
LeetCode
Codecademy
CodeSignal
HackerRank
Free 14-minute coding diagnostic in JavaScript, TypeScript and Python, with optional paid adaptive practice. Learn to recall, debug, trace and review code, including AI-generated code.

Which is more popular?
Based on our record, OpenRouter seems to be more popular. It has been mentioned 63 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | openrouter.ai | unrust.dev |
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| Platforms | — | |
| Company | — | Startup from Ireland |
| Listed in |
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Unrust is a coding diagnostic and practice app for developers. Start with a free 14-minute, unassisted diagnostic in JavaScript, TypeScript or Python, with no account required. The diagnostic covers six skills: code recall, debugging, finding flaws, code tracing, idiomatic code and reviewing...
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Recommendations tracked on public social media and blogs since March 2021.


(You can get a free API key from openrouter.ai for a few test calls). - Source: dev.to / about 5 hours 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 / 2 days ago
A second opinion from another model (A22). second_opinion.py sends the script, with nothing else, to a model from a different company through OpenRouter. We use OpenAI's. It reviews the script and also writes its own version from the... - Source: dev.to / 10 days ago
Tracking Unrust.dev since Oct 2026.
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