OpenRouter
Unified API and marketplace for accessing 400+ large language models.
AI
📍 Remote / San Francisco, USA
Founded 2023
Current Valuation
$500M
as of 2025-Q2
PRIVATE
OpenRouter is a unified API and marketplace giving developers access to 400+ large language models from providers like Anthropic, OpenAI, Google, Meta, and Mistral through a single endpoint. The company handles routing, fallback, and billing across providers and is reportedly nearing a $1.3B valuation in a late-2025/early-2026 round.
Company Profile
HQ
Remote / San Francisco, USA
Est. Revenue
$5M (2025-Q4)
Last Round
Series A — $30M (Aug 2025) · Lead: Menlo Ventures
Founders & Key People
Alex AtallahEugene Cheah
Investors
Menlo Ventures · Andreessen Horowitz · Sequoia Capital
Products
- OpenRouter API
- Model marketplace
- Provider routing
- Usage analytics
Competitors
Together AI · Replicate · Fireworks AI · Anyscale
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Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q2. Refreshed quarterly.