--- title: Blaxel slug: blaxel url: "https://toolweight.com/tools/blaxel" homepage: "https://blaxel.ai" categories: sandbox-providers last_verified: 2026-11-07 dataset_version: 0738be72 license: CC-BY-4.0 --- # Blaxel > Agent-first cloud claiming ~25 ms microVM boots from snapshots. - Agent-native cloud (formerly Beamlit) where sandboxes sit alongside agent hosting and a model gateway - Pitch is boot time: ~25 ms to restore a microVM from snapshot, the most aggressive claim in the category - Young and venture-funded; the platform is broader than most teams need just to run code ## Identity | | | | --- | --- | | Name | Blaxel | | Company | Blaxel | | One-liner | Agent-first cloud claiming ~25 ms microVM boots from snapshots. | | Site | https://blaxel.ai | | Docs | https://docs.blaxel.ai | | Founded | 2024 | | Funding | Seed | | Compared in | 1 | ## Where it is compared ### [Sandbox providers](https://toolweight.com/compare/sandbox-providers) Ranked **#3 of 19** on default weights. | Field | Value | Confidence | Verified | Source | Note | Permalink | | --- | --- | --- | --- | --- | --- | --- | | Cold start | 500ms | Inferred | - | - | Estimate. The 25 ms figure is a snapshot restore on allocated hardware; the API round trip alone exceeds it. | https://toolweight.com/compare/sandbox-providers#blaxel--cold_start_measured | | Cold start (claimed) | 25ms | Vendor-claimed | 2026-01-15 | https://blaxel.ai | The most aggressive claim in the category. | https://toolweight.com/compare/sandbox-providers#blaxel--cold_start_claimed | | Isolation | microvm | Vendor-claimed | 2026-01-15 | https://docs.blaxel.ai | - | https://toolweight.com/compare/sandbox-providers#blaxel--isolation_tech | | Root in guest | ● | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--root_access | | Egress control | open | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--egress_control | | Max runtime | 24h | Inferred | - | - | No published hard cap. | https://toolweight.com/compare/sandbox-providers#blaxel--max_runtime | | Persistent FS | ◐ | Inferred | - | - | State survives snapshot and resume. | https://toolweight.com/compare/sandbox-providers#blaxel--persistent_fs | | Snapshot & fork | ● | Vendor-claimed | 2026-01-15 | https://docs.blaxel.ai | - | https://toolweight.com/compare/sandbox-providers#blaxel--snapshot_fork | | Custom images | ● | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--custom_images | | GPU | - | Unknown | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--gpu | | Runtimes | python, javascript-typescript, bash, any-oci-image | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--language_runtimes | | Preview URLs | ● | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--preview_urls | | Browser inside | ◐ | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--browser_in_sandbox | | File up/download | ● | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--file_transfer_api | | Sydney region | ◐ | Inferred | - | - | Markets multi-region placement including Asia-Pacific; a dedicated Sydney region is not confirmed. | https://toolweight.com/compare/sandbox-providers#blaxel--sydney_region | | Concurrent limit | 100 sandboxes | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--max_concurrency | | MCP server | ● | Inferred | - | - | MCP hosting is part of the platform's agent story. | https://toolweight.com/compare/sandbox-providers#blaxel--mcp_server | | SDKs | python, typescript, cli | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--sdk_languages | | Streaming output | ● | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--streaming_stdout | | Price / hour | $0.17/hr | Vendor-claimed | 2026-11-07 | https://blaxel.ai/pricing | Blaxel bills by allocated memory with CPU scaling automatically. 4 GB x $0.0000115/s x 3600 = $0.166/hr; the vCPU count per GB is not stated on the page. | https://toolweight.com/compare/sandbox-providers#blaxel--price_per_hour | | Meter | per-second | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--billing_granularity | | Idle cost | storage-only | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--idle_billing | | GitHub stars | - | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--github_stars | | Funding | seed | Community-reported | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--funding_stage | | Shipped | 2025 | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--launched | | Positioning | An agent-native cloud: sandboxes, agent hosting and a model gateway in one platform. | Inferred | - | - | - | https://toolweight.com/compare/sandbox-providers#blaxel--positioning | **Verdict.** The 25 ms claim measures the wrong operation, and the broad platform is a lot to buy from a seed-stage company. ## Alternatives - [boat](https://toolweight.com/tools/boat), Persistent Ubuntu VMs for agents with SSH, Docker and disk-level fork, billed per second. - [Cloudflare Sandbox](https://toolweight.com/tools/cloudflare-sandbox), Container sandboxes driven from a Worker, addressed through Durable Objects. - [CodeSandbox SDK](https://toolweight.com/tools/codesandbox-sdk), Firecracker VMs with memory snapshots, from the online IDE, now owned by Together AI. - [Daytona](https://toolweight.com/tools/daytona), Sub-second container sandboxes for agent workloads, from a team that built a dev-env manager. - [Self-hosted Firecracker](https://toolweight.com/tools/diy-firecracker), The baseline: Firecracker on your own metal, plus every hard part you now own. - [E2B](https://toolweight.com/tools/e2b), Open-source Firecracker sandboxes with Python and TypeScript SDKs for AI agents. - [exe.dev](https://toolweight.com/tools/exe-dev), Persistent VMs you SSH into, with root, apt and systemd, on a flat monthly plan. - [Fly.io Machines](https://toolweight.com/tools/fly-machines), Raw Firecracker microVMs with a REST API, durable volumes and 35+ regions. - [Freestyle](https://toolweight.com/tools/freestyle), Run untrusted JavaScript and full dev servers, with git hosting and domains built in. - [GitHub Codespaces](https://toolweight.com/tools/github-codespaces), Devcontainer-backed cloud VMs built for humans, occasionally repurposed for agents. - [Islo](https://toolweight.com/tools/islo), Per-agent isolated cloud sandboxes with enterprise policy controls, from Incredibuild. - [Modal](https://toolweight.com/tools/modal), Serverless Python compute with a Sandbox API bolted onto a GPU-first platform. ## Licence and attribution Data from Toolweight (https://toolweight.com), licensed CC-BY-4.0. - Licence: [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0/) - Canonical HTML: https://toolweight.com/tools/blaxel - Machine-readable: https://toolweight.com/tools/blaxel.md · https://toolweight.com/api/v1 · https://toolweight.com/mcp - Toolweight takes no affiliate revenue and sells no placements.