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) blaxel.ai Status: active[1] Checked 31 Oct 2026
Agent sandboxes
Blaxel Sandboxes
- Price
- CPU included
- + $0.0414 per GB-hour
- 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
- PrepaidYou buy credit up front. Unused credit expires.
- Max 10 runningAt most 10 sandboxes run at the same time.
Plans
| Plan | Price | Includes |
|---|---|---|
| Pay as-you-go | Free[1] | 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+ |
| Custom | unknown[1]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 |
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.
Terms
Billing
Runtime
- Billed on
- Running time[1]
- Isolation
- Firecracker microVM[1]
- Max session
- 168 h[1]
- Concurrent sandboxes
- 10[1]
- Largest vCPU
- unknown[1]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
- Largest memory
- unknown[1]Self-serve per-tier memory limits are shown only in the console; the Custom plan offers up to 256 GB RAM per sandbox
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[3]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
- Start time (vendor claim)
- 25 ms[3]
Capabilities
Storage and network
Sources
- 1 blaxel.ai/pricing · 31 Oct 2026
- 2 docs.blaxel.ai/Infrastructure/Regions · 31 Oct 2026
- 3 docs.blaxel.ai/Sandboxes/Overview · 31 Oct 2026
- 4 docs.blaxel.ai/Sandboxes/Templates · 31 Oct 2026
Raw data: JSON