Blaxel

Blaxel's bet is narrow and clear: agents are not like web requests, so the infrastructure underneath them shouldn't be either. A conventional serverless function dies and loses everything; a Blaxel sandbox suspends after 5 seconds of idle and wakes in about 25ms with memory and filesystem intact, and suspended time never counts toward active CPU. That single design choice drives the economics — the pricing page claims up to 70% more cost-effective in practice — and it's the reason to consider Blaxel over a generic container platform. Strengths worth naming. The compute primitives map cleanly to real agent workloads: one microVM per agent or job, Batch Jobs that spawn thousands of isolated sandboxes in seconds on an elastic backbone, cron scheduling for recurring tasks, and MCP server hosting in the same runtime as the agents that call them, which removes a network hop. Storage is the differentiator most competitors under-serve: Agent Drive for real-time multi-agent filesystem collaboration, Volumes that retain data for years, and an in-memory sandbox filesystem with snapshots for speed on hot paths. Networking is unusually complete for a platform this young — per-workload outbound firewalling, dedicated static outbound IPs, a managed egress proxy that injects secrets so credentials never sit inside the sandbox, and a model gateway that routes to any provider from one co-located endpoint, which is a real latency and key-management win. Security posture — SOC 2, HIPAA, ISO 27001, EU and US regions, zero data retention, self-host or VPC options — covers regulated buyers who can't run agents on a shared SaaS. Weaknesses you should price in. This is raw infrastructure, not an agent framework: you bring the orchestration, retries, and evaluation logic. The documented headline features are unevenly available — Agent Runtime is labeled 'Soon', and Agent Drive (with its permissions and S3 endpoint) plus Applications are marked 'private preview', so if your plan depends on any of those three, confirm status before you commit architecture. Because Blaxel has joined Baseten, roadmap direction is a real variable; teams who've been through acquisitions know that platform priorities can shift, and the docs say so themselves. Where it fits: autonomous coding agents needing a persistent workspace, parallel scraping or data-enrichment fleets needing isolated IPs, multi-agent systems sharing a filesystem, platform teams in regulated industries, and anyone migrating sandbox code off E2B or a similar provider. Where it doesn't: genuinely ephemeral workloads (a plain serverless function or a one-shot container is cheaper and simpler), no-code builders, and teams that want a managed agent UI rather than primitives and an API.