OpenRouter Raises $40 Million from Andreessen Horowitz and Menlo Ventures 

The future is multi-model.
"Jagged intelligence" that’s how AI researcher Andrej Karpathy describes the uneven behavior of modern large language models (LLMs), where a system can solve Olympiad-level math problems in one moment and fail a basic logic test the next.  OpenRouter, a startup founded in April 2023 by Alex Atallah and Louis Vichy, has raised $40 million across seed and Series A rounds to help developers navigate that chaos. Its platform offers a single API to route prompts across hundreds of proprietary and open-source AI models, abstracting away the complexity of switching between vendors like OpenAI, Anthropic, Meta, and dozens of cloud GPU providers. The seed round, led by Andreessen Horowitz in February, was followed by a $28 million Series A led by Menlo Ventures in April. Sequoia Capital an
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Anshika Mathews
Anshika is the Senior Content Strategist for AIM Research. She holds a keen interest in technology and related policy-making and its impact on society. She can be reached at anshika.mathews@aimresearch.co
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