# Blaxel

Firecracker microVM sandboxes that drop to standby when idle and resume with memory intact, billed per GB of allocated memory per second while active, paid from prepaid credit.

- Operated by: Blaxel, Inc. (part of Baseten)
- Status: Active [1]
- Website: https://blaxel.ai
- Categories: Agent sandboxes
- Checked: 31 Oct 2026

## Blaxel Sandboxes (Agent sandboxes)

- Price: CPU included (+ $0.0414 per GB-hour)
- 1-hour session: ≥ $0.166 (2 vCPU / 4 GB · rank 13 of 26)
- Fleet month: ≥ $1,457 (50 × 8 h × 22 days)
- Billed on: Running time (per second)
- Isolation: Firecracker microVM (sessions up to 168 h)

What to know:

- Prepaid: You buy credit up front. Unused credit expires.
- Max 10 running: At most 10 sandboxes run at the same time.

### Plans

- Pay as-you-go: Free; Up to $200 in free credits; tier quotas by 30-day top-up volume: Tier 0 (free) 10 sandboxes, Tier 1 ($20/month top-up) 50, Tier 2 ($50/month top-up) 200, up to Tier 9 100,000+ [1]
- Custom: unknown (Contact us for a quote); Up to 256 GB RAM per sandbox or job, private network connectivity, bring your own compute, custom SLAs, custom hardware [1]

### Billing

- Payment: Prepaid credit [1]
- Plan minimum: None [1]
- Billing increment: Per second [1]
- Minimum charge: unknown (No minimum billed duration on the pricing page or in the docs) [1]
- Per-job fee: None [1]
- Credit expires: Yes [1]
- Credit refundable: No [1]

### Runtime

- Billed on: Running time [1]
- Isolation: Firecracker microVM [1]
- Max session: 168 h [1]
- Concurrent sandboxes: 10 [1]
- Largest vCPU: unknown (CPU is allocated from memory (8 GB = 4 cores); per-tier memory limits are shown only in the console, and the largest CPU allocation is not published) [1]
- Largest memory: unknown (Self-serve per-tier memory limits are shown only in the console; the Custom plan offers up to 256 GB RAM per sandbox) [1]

### Lifecycle

- Survives a stop: Disk and memory [3]
- Snapshots: Yes [3]
- Pause and resume: Yes [3]
- Fork: Memory and processes [3]
- Compute billed while stopped: No [3]
- Auto-stop: unknown (Standby starts about 15 seconds after the last connection closes (docs; the pricing FAQ says about 5 seconds), 15 minutes for an idle WebSocket/TCP connection; the field takes whole minutes) [3]
- Start time (vendor claim): 25 ms [3]

### Capabilities

- GPU: No [4]
- Desktop: Desktop (VNC) [4]
- Coding agents installed: Claude Code, Codex [4]
- Agent prompt API: No [4]
- SSH: No [4]
- Docker inside: Yes [4]
- SDKs: Python, TypeScript, Go, CLI, REST, MCP [4]
- SOC 2: Yes [4]

### Storage and network

- Disk included: unknown (No separate disk: the writable filesystem lives in the sandbox's RAM (about 50% of allocated memory) over a read-only image) [1]
- Extra disk: $0.12 per GB-month [1]
- Snapshot storage: $0.2 per GB-month [1]
- Egress: Free [1]

### Platform

- Regions: us-pdx-1, us-was-1, eu-lon-1, eu-fra-1 [2]
- Your cloud (BYOC): Yes [2]
- Self-host: No [2]

### Free allowance

- Minutes a month: None [1]
- Credit a month: None [1]
- One-time credit: $200 [1]

### Prices

| Resource | Price | Per hour |
|---|---|---|
| per vCPU | included [1] | $0 |
| per GB of memory | $0.0000115 /s [1] | $0.0414 |

- Billed per GB of allocated memory per second while a sandbox is active; CPU is allocated from memory and not charged separately (8 GB gets 4 cores).
- Sandboxes drop to standby when no connection is open and resume in about 25 ms (vendor claim) with memory and processes intact; standby bills only snapshot storage ($0.20 per GB-month).
- Prepaid credit; quota tiers rise with 30-day top-up volume (Tier 0 free 10 sandboxes, Tier 1 $20 50, Tier 2 $50 200). Tier 0 and 1 sandboxes expire after up to 7 and 30 days.
- Images cost $0.045 per GB-month; volumes $0.12 per GB-month; internet egress is included.
- Add-ons - email support $800/month + 3% of usage, dedicated support $1,600/month + 10% of usage, HIPAA BAA $250/month.
- Blaxel joined Baseten in 2026 and continues as a product; Baseten organizations can sign in to a managed Blaxel workspace.

## Sources

[1] https://blaxel.ai/pricing (checked 31 Oct 2026)
[2] https://docs.blaxel.ai/Infrastructure/Regions (checked 31 Oct 2026)
[3] https://docs.blaxel.ai/Sandboxes/Overview (checked 31 Oct 2026)
[4] https://docs.blaxel.ai/Sandboxes/Templates (checked 31 Oct 2026)