Minimum Commitment: $1,000 | Deadline is Monday, June 29th
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AI inference-as-a-service platform for the open-source AI ecosystem
Series C | Backed by NVIDIA, Samsung NEXT, and Super Micro Computer
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AI spending to date has been dominated by training. But a model is trained once and then run continuously for years, and inference — the production phase where the model actually answers queries — is where the far larger spend accumulates. As AI moves from the "chatbot era" of single-turn prompts into the "agentic era," where a single task can fire hundreds of model calls, inference demand is compounding. Data-center inference demand is growing at a ~35% CAGR through 2030, and the broader AI inference market is projected to grow from ~$106B in 2025 to $255B by 2030.
DeepInfra is building the inference layer for the open-source AI ecosystem: a vertically integrated platform that lets developers and enterprises run 150+ open-source AI models — including DeepSeek, Llama, Qwen, Mistral, and Flux — through a single, OpenAI-compatible API. Unlike most competitors, which rent GPU capacity from hyperscalers, DeepInfra owns and operates 1,853 GPUs across 9 data centers in the U.S. and Canada, running proprietary inference software on top. The result is a three-year depreciated cost of roughly $2 per GPU-hour versus rental pricing closer to $8 — giving DeepInfra the lowest token prices and fastest time-to-first-token among independent inference providers.
DeepInfra is now preparing its Series C, targeting $150M in equity alongside $400M in growth debt to fund the next phase of global GPU infrastructure expansion. While exact terms and structure (a priced round vs. a pre-Series C SAFE with discount) are still being finalized by the company, the round follows DeepInfra's recent $107M Series B, which closed at a $276M post-money valuation (~13.8x LTM ARR) and was co-led by 500 Global and Georges Harik. Applying a similar multiple to DeepInfra's current ~$45M ARR implies an indicative valuation in the range of ~$600M. Vector3 Syndicate has secured access to this opportunity ahead of pricing.
Founders Nikola Borisov, Georgios Papoutsis, and Yessen Kanapin scaled imo.im to 200M users since 2016; advisors include Guillermo Rauch, Argentine CEO of Vercel, and Justin Kan, co-founder of Twitch.
Access our Syndication Deal Room below to learn more. The deadline for committing to this opportunity is Monday, June 29th at 5 pm CST.
