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Investment Rounds

Openrouter Series A 2025

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The leading intelligence layer for the startup ecosystem. Over 20,000 AI startups, curated, scored, and agent-ready, backed by 65M+ company profiles and 5B+ AI-enriched data points you can query in real time through our RAG API.

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Home/Funding rounds/OpenRouter Series A

Series A

Apr 1, 2025

OpenRouter Series A

OpenRouter — Unified API platform providing developers access to hundreds of large language models through one endpoint.

openrouter.ai LinkedIn2 foundersAI, SaaS, Infrastructure

Investors (3)

Andreessen Horowitz

Sequoia Capital

OpenRouter's other rounds

OpenRouter

Series B · May 26, 2026

$113M

OpenRouter

Pre-Seed · Feb 1, 2025

$13M

Key details

Amount: $28M
Post-money valuation: $500M
Announced: Apr 1, 2025
Series: Series A

vs. all Series A rounds (892)

Trimmed 103 outliers (Tukey 1.5× IQR) for a cleaner read.

Amount raised91th pct

$35Kthis round: $28M$48M

Post-money valuation88th pct

$2Kthis round: $500M$1.1B