CompareMolted vs Dedalus Labs

Dedalus Labs alternative for AI agents

Dedalus builds the fastest persistent machine for an agent. Molted runs the agent on top and keeps it operating.

Dedalus Labs (YC S25, $11M seed) builds Dedalus Machines: persistent Linux VMs with their own guest kernel, systemd and root access, on a custom hypervisor built on Cloud Hypervisor. They start in under 50ms, sleep when idle so compute billing stops, and keep their root filesystem across sleep and wake. As of October 2026, access to the Machines service is gated behind a waitlist.Molted works one layer up. It is a managed operating environment for autonomous agents (OpenClaw today, Hermes and other runtimes on request) that provides the runtime itself plus recovery, versioned state, integrations, browser automation and identity.Dedalus answers where an agent should run. Molted answers how an autonomous agent stays alive and useful once it does.

01Side by side

Molted vs Dedalus Labs.

Dedalus Labs
Molted
What it is
Dedalus LabsPersistent Linux VMs for agents, scripts and backend services, driven by CLI, API and TypeScript, Python and Go SDKs.
MoltedManaged operating environment for autonomous agents: OpenClaw today, Hermes and other runtimes on request.
Startup and isolation
Dedalus LabsUnder 50ms starts, VM-level isolation with hardware-enforced memory boundaries and a guest kernel per machine.
MoltedInstances provisioned in under 18s and kept warm, with multi-tenant isolation and a RAM semaphore that protects shared nodes.
Lifecycle
Dedalus LabsMachines sleep after 300 idle seconds by default. The root filesystem persists; processes, memory, network connections and /tmp do not.
MoltedAlways-on instances with a heartbeat: the agent process, its schedules and its connections keep running.
Pricing
Dedalus LabsPer second while active: about $0.045 per vCPU-hour and $0.015 per GiB-hour of RAM. Hobby is free with a $20 one-time credit (up to 5 machines), Pro is $20/mo with $20 of compute included (up to 20 machines), Enterprise is custom.
MoltedPer instance per day, pro-rated, with up to 30% off annual and roughly 3x density from safe over-provisioning.
Availability
Dedalus LabsWaitlist; organizations need beta admission to use the Machines service, per its docs (October 2026).
MoltedManaged clusters in production in the EU and US, with a 99.5% SLA.
The agent
Dedalus LabsNot included: you install and supervise the agent, its gateway and its configuration.
MoltedThe runtime is the product: a supervising daemon outlives the agent process and configs are auto-repaired.
Recovery
Dedalus LabsMachine lifecycle and storage are managed; agent-level health and restarts are yours.
Molted4-tier self-healing: crashes caught in under 60s, back in under 90s, post-mortem on every failure.
State
Dedalus LabsDisaggregated, POSIX-compliant storage that persists across sleep and wake.
MoltedVersioned, S3-backed filesystem with file-level diff and point-in-time restore that hot-reloads the running instance.
Integrations and identity
Dedalus LabsBring your own tools and credentials.
Molted1,500+ integrations, managed browser automation (captchas, rotating geo-aware proxies, logged-in profiles) and a dedicated mailbox and phone number per agent.
Enterprise
Dedalus LabsDedicated fleet option, SSO, RBAC, audit logs, SLA and bring your own cloud on Enterprise.
MoltedOn-premise deployment, a Swiss cluster option, white-label dashboard and a REST API for the full instance lifecycle.
Best for
Dedalus LabsTeams that want the fastest, best-isolated persistent VM and will build the agent layer themselves.
MoltedTeams that want autonomous agents running in production without building that layer.

02The part nobody else builds

One OpenClaw is hard to keep alive. Thousands is impossible without recovery.

A single OpenClaw in production already fails in quiet ways: it crashes and stays down, a config corrupts and bricks the instance, memory spikes and the whole box goes with it. Run thousands of them and doing this by hand is not hard, it is impossible. You need watchers and recovery running every second. Dedalus Labs does not ship any of this. Like every general cloud, machine or agent framework, it hands you infrastructure, not a system that watches your agents and brings them back. Molted is that system.

01

In-pod restart

A daemon supervises OpenClaw and restarts it the moment it dies, before anyone notices.

02

Pod recreation

If the pod itself fails, it is recreated automatically, with the instance state intact.

03

Known-good restore

openclaw doctor repairs corrupted configs and the versioned filesystem restores a last known-good state.

04

Critical alert

If automated recovery cannot fix it, a critical alert fires with a full post-mortem of the failure.

On top of the four tiers, a RAM semaphore throttles startups and kills by priority before a shared node runs out of memory, so high density never becomes a crash. Crashes are caught in under 60 seconds and back online in under 90, with a post-mortem on every failure.

03Why Molted

The detail behind the table.

What Dedalus is genuinely great at

Dedalus is deep infrastructure work. Sub-50ms starts on real VMs, with a guest kernel per machine and hardware-enforced memory isolation, remove the usual trade-off between containers that are fast and VMs that are safe. Full Linux with systemd and root means an agent can install and run anything, and disaggregated storage that passes the full POSIX test suite is a sign of a team that sweats the details.

Per-second billing that stops while a machine sleeps is fair, and Enterprise adds SSO, audit logs, SLAs and bring-your-own-cloud. If you are building your own agent platform and want the best primitive underneath, Dedalus belongs on the shortlist.

Fast machines still need an operated agent

A Dedalus Machine is a place to run an agent, not the agent. By default it sleeps after 300 idle seconds, and while the filesystem survives, processes, memory and network connections do not, so a gateway, a watcher or a scheduled job has to be brought back on every wake or the machine kept running at full compute cost.

Molted takes the agent itself as its job: OpenClaw runs as an always-on heartbeat, a supervising daemon and 4-tier self-healing keep it alive, configs are repaired automatically, the versioned filesystem rolls back a bad change in place, and 1,500+ integrations, managed browser automation and a mailbox and phone number per agent give it something to act on.

Availability and fit

Dedalus Machines are still behind a waitlist as of October 2026, which is normal for an infrastructure product this ambitious but matters if you need to ship now. Molted runs managed clusters in production in the EU and US with a 99.5% SLA, plus on-premise and a Swiss cluster option.

The two can also combine: a Molted agent can drive fast disposable machines for heavy or untrusted jobs while the agent itself stays managed. The same team operates molted.cloud for 300+ clients; molted.net is the canary surface.

The verdict

Dedalus Labs is building some of the best persistent VMs for agents: sub-50ms starts, a guest kernel per machine, systemd and per-second billing. Molted is the layer above: an operated, always-on runtime for autonomous agents with 4-tier self-healing, versioned state, 1,500+ integrations, browser automation and per-agent identity, available in production today. Pick Dedalus to build your own platform; pick Molted to run agents without building one.

04FAQ

Molted vs Dedalus Labs, answered.

01

Is Dedalus Labs a competitor to Molted?

Partly. Both serve long-running agents, at different layers. Dedalus sells persistent VMs as a primitive; Molted sells the operated agent runtime with recovery, versioned state, integrations and identity. Teams building their own platform look at Dedalus; teams that want agents running look at Molted.

02

What happens to an agent when a Dedalus Machine sleeps?

Per Dedalus's docs, the root filesystem persists across sleep and wake, while processes, memory and CPU state, network connections and /tmp do not. A new Machine sleeps after 300 idle seconds by default. An always-on agent therefore needs its processes restarted on wake, or a configuration that keeps the machine running.

03

How does Dedalus pricing compare to Molted?

Dedalus bills per second while active, about $0.045 per vCPU-hour and $0.015 per GiB-hour of RAM, with a free Hobby tier ($20 one-time credit) and Pro at $20/mo including $20 of compute. A machine of 1 vCPU and 4 GiB that never sleeps comes to roughly $75 a month at those rates, by our calculation. Molted prices per instance per day, pro-rated, with the operating layer included and roughly 3x density.

04

When should I pick Dedalus over Molted?

When you are building your own agent platform and want the fastest, best-isolated persistent VM underneath, with systemd and root, and you can wait for access. Pick Molted when you want autonomous agents in production today without building recovery, state versioning, integrations and identity yourself.

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