Modal Hits $1B Annualized Run Rate and Raises Series D Funding

charles_irl · x · 2026-10-29

Modal announced it has reached $1 billion in annualized run rate, closed Series D funding, and outlined where the AI infrastructure platform goes next.

Modal's product lines: Inference Serve for serving LLM/image/video/audio models from real-time to batch, Sandboxes providing isolated environments for coding agents, RL rollouts and untrusted code (with the company highlighting scaling to 1 million concurrent sandboxes in seconds), and Training for fine-tuning, RL and evaluations on GPUs that spin up in seconds. The round cements Modal's position in the AI inference and training infrastructure market.

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