Blaxel is joining Baseten to build the future of agentic infrastructure

Synthesis

1. 01

   MicroVM sandboxes with 25ms suspend/resume

   Blaxel built isolated microVM sandboxes for agents, enabling safe code execution and state persistence. They suspend and resume in 25 milliseconds—up to 5× faster than other sandbox products—and can remain idle for months at near-zero cost while retaining state.

   Supporting evidence 1

   Original excerpt

   Every agent gets its own microVM. We made them extremely fast: suspend and resume in 25 milliseconds, up to 5x faster than other sandbox products. A sandbox can sit idle for months at close to zero cost and come back before the model finishes its next sentence, so state persists without paying for compute you aren't using.

   Amir Haghighat, Tuhin Srivastava, Paul Sinai · Paragraph 6

   Blaxel is joining Baseten to build the future of agentic infrastructure · Sep 10, 2026

   Context

   Sandboxes came first because nothing else works without them. Agents write and run code, call tools, and carry state across long tasks, and you can't do that safely in a shared process.

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   agent sandbox performance →
2. 02

   Rebuilt networking layer with isolation and access controls

   Blaxel rebuilt its networking layer to connect agents with tools, MCP servers, APIs, and other agents—designed specifically to meet production teams’ requirements for isolation and access controls.

   Supporting evidence 1

   Original excerpt

   And agents have to talk to things. Tools, MCP servers, APIs, other agents. We rebuilt a networking layer that connects all of these pieces with the isolation and access controls a production team will actually sign off on.

   Amir Haghighat, Tuhin Srivastava, Paul Sinai · Paragraph 9

   Blaxel is joining Baseten to build the future of agentic infrastructure · Sep 10, 2026

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   production networking for agents →
3. 03

   Inference must sit adjacent to compute, storage, and network

   The Blaxel team observed that inference for autonomous agents is no longer a remote service call: it must be colocated with compute, storage, and networking to avoid compounding latency on every agent loop.

   Supporting evidence 1

   Original excerpt

   The primitive we didn't own was inference. We've seen open-weight & custom models become core to how autonomous agents get deployed in production. Inference is no longer a service you call from another data center. It has to sit next to compute, storage, and network; or latency compounds on every loop.

   Amir Haghighat, Tuhin Srivastava, Paul Sinai · Paragraph 10

   Blaxel is joining Baseten to build the future of agentic infrastructure · Sep 10, 2026

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   inference colocation for agents →
4. 04

   First-class consideration of performance, reliability, security, and ownership

   Both Blaxel and Baseten built their infrastructure from the ground up—prioritizing performance, reliability, security, scalability, flexibility, cost-efficiency, and customer visibility, control, and ownership—rather than taking the fastest path to market.

   Supporting evidence 1

   Original excerpt

   Both companies built from the ground up for what it would take to truly scale the workload to our customers’ requirements, rather than taking the fastest path to market. We had both decided that performance, reliability, scalability, security, flexibility, and cost-efficiency needed to be first-class considerations. And we each believed customers need maximum visibility, control, and ownership.

   Amir Haghighat, Tuhin Srivastava, Paul Sinai · Paragraph 16

   Blaxel is joining Baseten to build the future of agentic infrastructure · Sep 10, 2026

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   infrastructure design philosophy →