E2B vs Fly.io Sprites
E2B costs $0.0504 per vCPU-hour and Fly.io Sprites costs $0.0385 per vCPU-hour. E2B runs Firecracker microVMs and limits a session to 24 hours. Fly.io Sprites runs microVMs.
Updated
E2B
- Isolation
- Firecracker microVM
- Free tier
- $100 credit, one time
- Max session
- 24 hours
Fly.io Sprites
- Isolation
- MicroVM
- Free tier
- $30 trial credit
- Max session
- Not listed
What is different
9 fields differ. The rest are the same or not listed.
E2B
Fly.io Sprites
- vCPU, per hour
- E2B: $0.0504
- Fly.io Sprites: $0.0385
- RAM, per GiB-hour
- E2B: $0.0162
- Fly.io Sprites: $0.021875
- Storage
- E2B: Free
- Fly.io Sprites: $0.000683 per GiB-hour
- Free tier
- E2B: $100 credit, one time
- Fly.io Sprites: $30 trial credit
- Paid plan from
- E2B: $150 / month
- Fly.io Sprites: Pay as you go
- Billing
- E2B: Per second
- Fly.io Sprites: Active CPU time only
- Isolation
- E2B: Firecracker microVM
- Fly.io Sprites: MicroVM
- SDKs
- E2B: Python, JavaScript / TypeScript
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Integrations
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
- Fly.io Sprites: MCP, OpenAI Agents SDK
Full comparison
18 fields, at each provider's list price
Fly.io Spritesfly
Pricing
- vCPU, per hour
- E2B: $0.0504
- Fly.io Sprites: $0.0385
- RAM, per GiB-hour
- E2B: $0.0162
- Fly.io Sprites: $0.021875
- Storage
- E2B: Free
- Fly.io Sprites: $0.000683 per GiB-hour
- Free tier
- E2B: $100 credit, one time
- Fly.io Sprites: $30 trial credit
- Paid plan from
- E2B: $150 / month
- Fly.io Sprites: Pay as you go
- Billing
- E2B: Per second
- Fly.io Sprites: Active CPU time only
Limits
- Max session
- E2B: 24 hours
- Fly.io Sprites: Not listed
- Idle stop
- E2B: Not listed
- Fly.io Sprites: Not listed
- Largest sandbox
- E2B: 8 vCPU · 8 GiB
- Fly.io Sprites: Not listed
- Concurrent sandboxes
- E2B: Up to 1,100
- Fly.io Sprites: Not listed
Platform
- Isolation
- E2B: Firecracker microVM
- Fly.io Sprites: MicroVM
- GPU
- E2B: No
- Fly.io Sprites: Not listed
- Snapshots
- E2B:
- Fly.io Sprites:
- Pause and resume
- E2B:
- Fly.io Sprites:
Developer
- SDKs
- E2B: Python, JavaScript / TypeScript
- Fly.io Sprites: Python, JavaScript / TypeScript, Go
- Integrations
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
- Fly.io Sprites: MCP, OpenAI Agents SDK
Trust
- License
- E2B: Apache-2.0
- Fly.io Sprites: Not listed
- BYOC
- E2B: Enterprise plan
- Fly.io Sprites: Not listed
Hourly cost
One sandbox running for one hour
E2B
Fly.io Sprites
- 1 vCPU · 2 GiB
- E2B: $0.083
- Fly.io Sprites: $0.082
- 2 vCPU · 4 GiB
- E2B: $0.166
- Fly.io Sprites: $0.165
- 4 vCPU · 8 GiB
- E2B: $0.331
- Fly.io Sprites: $0.329
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
E2B fits when
- You want an open-source platform (Apache-2.0) that you can self-host.
- You use LangChain or the Vercel AI SDK.
- You want the larger free credit: $100 against $30.
- You need a desktop in the sandbox.
Fly.io Sprites fits when
- You want to pay only for usage, with no plan fee.
- You want the lower list price: $0.165 against $0.166 an hour for 2 vCPU and 4 GiB.
- Your code waits a lot: CPU is billed only while it is in use.
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