What is Arize?
Headquartered in Berkeley, California, Arize AI operates a unified observability and LLM evaluation platform designed to bridge the gap between model development and operational reliability. By providing automated monitoring, the platform enables engineering teams to detect performance drift, troubleshoot complex model failures, and optimize generative AI outputs. As organizations grapple with the complexities of deploying large language models, Arize AI serves as a foundational layer for maintaining model integrity and performance across both traditional machine learning and modern generative use cases.
How much funding has Arize raised?
Arize has raised a total of $108M across 2 funding rounds:
Series B
$38M
Series C
$70M
Series B (2022): $38M with participation from Battery Ventures, The TCV, and Foundation Capital
Series C (2025): $70M led by SineWave Ventures, Adams Street Partners, and M12
Key Investors in Arize
SineWave Ventures
An early-stage venture capital firm that bridges the gap between Silicon Valley and Capitol Hill, specializing in enterprise technologies with applications in both commercial and public sectors.
Adams Street Partners
A global private markets investment management firm founded in 1972, providing long-term capital and strategic support to high-growth technology companies.
M12
Microsoft's venture fund, which focuses on Series A through C investments in enterprise software, applied AI, and infrastructure, offering unique go-to-market resources.
What's next for Arize?
With the successful closure of its latest financing round, Arize AI is well-positioned to accelerate its product roadmap and expand its market footprint. The company is expected to leverage this capital to deepen its capabilities in LLM evaluation and automated troubleshooting, addressing the growing enterprise need for transparency in AI decision-making. As the industry moves toward more autonomous and complex AI agents, Arize's focus on observability will likely remain a central pillar for companies seeking to mitigate risk and ensure the long-term success of their AI initiatives.
See full Arize company page