SF Compute Autoresearch Sandboxes vs Shardflux

SF Compute Autoresearch Sandboxes bills memory only, at $0.04572 per GiB-hour. Shardflux costs $0.04 per vCPU-hour. SF Compute Autoresearch Sandboxes runs microVMs. Shardflux runs Firecracker microVMs and offers GPUs.

Updated Oct 23, 2026

SF Compute Autoresearch Sandboxes

Isolated microVMs for AI agents that fork from a saved snapshot, part of SF Compute Autoresearch.

Isolation: MicroVM
Free tier: None
Max session: Not listed

Visit site SF Compute Autoresearch Sandboxes profile

Shardflux

Serverless VMs for cloud agents that park when idle and keep their state.

Isolation: Firecracker microVM
Free tier: 30-day Pro trial, no card needed
Max session: Not listed

Visit site Shardflux profile

What is different

10 fields differ. The rest are the same or not listed.

Field

SF Compute Autoresearch Sandboxes

Shardflux

vCPU, per hour: SF Compute Autoresearch Sandboxes: Included; Shardflux: $0.04
RAM, per GiB-hour: SF Compute Autoresearch Sandboxes: $0.04572; Shardflux: $0.015
Storage: SF Compute Autoresearch Sandboxes: Sandbox snapshots $0.10 per GiB-month of deduplicated bytes, $0.05 per GiB-month in cold storage; Shardflux: Free
Free tier: SF Compute Autoresearch Sandboxes: None; Shardflux: 30-day Pro trial, no card needed
Paid plan from: SF Compute Autoresearch Sandboxes: Pay as you go; Shardflux: $9 / month
Billing: SF Compute Autoresearch Sandboxes: Memory only; Shardflux: Active CPU time only
Largest sandbox: SF Compute Autoresearch Sandboxes: 4 vCPU · 8 GiB; Shardflux: 32 vCPU · 64 GiB
Concurrent sandboxes: SF Compute Autoresearch Sandboxes: Up to 4,096; Shardflux: Up to 200
Isolation: SF Compute Autoresearch Sandboxes: MicroVM; Shardflux: Firecracker microVM
Integrations: SF Compute Autoresearch Sandboxes: MCP, Claude Code; Shardflux: Claude Code, MCP, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Full comparison

18 fields, at each provider's list price

SF Compute Autoresearch Sandboxesautoresearch.sfcompute.com

Shardfluxshardflux.dev/#pricingshardflux.dev

Pricing

vCPU, per hour: SF Compute Autoresearch Sandboxes: Included; Shardflux: $0.04
RAM, per GiB-hour: SF Compute Autoresearch Sandboxes: $0.04572; Shardflux: $0.015
Storage: SF Compute Autoresearch Sandboxes: Sandbox snapshots $0.10 per GiB-month of deduplicated bytes, $0.05 per GiB-month in cold storage; Shardflux: Free
Free tier: SF Compute Autoresearch Sandboxes: None; Shardflux: 30-day Pro trial, no card needed
Paid plan from: SF Compute Autoresearch Sandboxes: Pay as you go; Shardflux: $9 / month
Billing: SF Compute Autoresearch Sandboxes: Memory only; Shardflux: Active CPU time only

Limits

Max session: SF Compute Autoresearch Sandboxes: Not listed; Shardflux: Not listed
Idle stop: SF Compute Autoresearch Sandboxes: Not listed; Shardflux: After 5 minutes
Largest sandbox: SF Compute Autoresearch Sandboxes: 4 vCPU · 8 GiB; Shardflux: 32 vCPU · 64 GiB
Concurrent sandboxes: SF Compute Autoresearch Sandboxes: Up to 4,096; Shardflux: Up to 200

Platform

Isolation: SF Compute Autoresearch Sandboxes: MicroVM; Shardflux: Firecracker microVM
GPU: SF Compute Autoresearch Sandboxes: Not listed; Shardflux:
Snapshots: SF Compute Autoresearch Sandboxes:; Shardflux:
Pause and resume: SF Compute Autoresearch Sandboxes:; Shardflux:

Developer

SDKs: SF Compute Autoresearch Sandboxes: Not listed; Shardflux: TypeScript, Python
Integrations: SF Compute Autoresearch Sandboxes: MCP, Claude Code; Shardflux: Claude Code, MCP, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

License: SF Compute Autoresearch Sandboxes: Not listed; Shardflux: Not listed
BYOC: SF Compute Autoresearch Sandboxes: Not listed; Shardflux: Not listed

Hourly cost

One sandbox running for one hour

Size

SF Compute Autoresearch Sandboxes

Shardflux

1 vCPU · 2 GiB: SF Compute Autoresearch Sandboxes: $0.091; Shardflux: $0.070
2 vCPU · 4 GiB: SF Compute Autoresearch Sandboxes: $0.183; Shardflux: $0.140
4 vCPU · 8 GiB: SF Compute Autoresearch Sandboxes: $0.366; Shardflux: $0.280

Compute only, at list rates.

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Which one fits

Based on the fields above

SF Compute Autoresearch Sandboxes fits when

You want to pay only for usage, with no plan fee.
You want one rate for memory, with CPU included.

Shardflux fits when

You need GPUs.
You use the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.
You want the lower list price: $0.140 against $0.183 an hour for 2 vCPU and 4 GiB.
You want to start without paying.

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SF Compute Autoresearch Sandboxes

Shardflux

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

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Shardflux fits when

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