Blaxel vs Probe: Which is Better in 2026?
A comprehensive comparison of Blaxel and Probe covering features, pricing, use cases, and which tool is the right choice for your needs.
⚡ Quick Verdict
Choose Blaxel if:
- →You need microvm sandboxes that boot in milliseconds and resume in ~25ms or batch jobs spawning thousands of sandboxed tasks in seconds
Choose Probe if:
- →You need 44 checks in ~30 seconds with a 0-100 score, letter grade, and readme badge or x402 payment discovery and validation, plus erc-8004 onchain identity checks
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Blaxel vs Probe: At a Glance
Pricing Comparison: Blaxel vs Probe
Understanding the pricing differences between Blaxel and Probe is crucial for making the right choice. Here's how their plans compare side by side.
Blaxel Pricing
Probe Pricing
💡 Pricing takeaway: Both Blaxel and Probe offer free tiers, making it easy to try before you buy. Compare the specific plans to find the best value for your use case.
Feature-by-Feature Comparison
Here's how every feature from Blaxel and Probe stacks up.
What Makes Each Tool Unique
🔵 Unique to Blaxel
Features available in Blaxel but not in Probe:
- ✓MicroVM sandboxes that boot in milliseconds and resume in ~25ms
- ✓Batch jobs spawning thousands of sandboxed tasks in seconds
- ✓Agent Drive distributed filesystem for multi-agent collaboration
- ✓Per-workload outbound allow-lists, static IPs, and secret-injecting egress proxy
- ✓Model Gateway — one co-located endpoint for every model provider
- ✓Managed cloud, self-hosted, or VPC deployment
🟣 Unique to Probe
Features available in Probe but not in Blaxel:
- ✓44 checks in ~30 seconds with a 0-100 score, letter grade, and README badge
- ✓x402 payment discovery and validation, plus ERC-8004 onchain identity checks
- ✓MCP endpoint discovery, tool declarations, and transport security
- ✓A2A agent.json discovery and skill declaration validation
- ✓EU AI Act Article 14 human oversight, GDPR, and FATF Travel Rule checks
- ✓Up to 24x daily continuous monitoring with automatic email alerts
Use Case Recommendations
Best for: Blaxel
Blaxel is infrastructure for autonomous agents — the thesis being that an agent needs a computer, and giving it one safely is a distinct problem from prompting it. On the compute side it offers sandboxes built on microVMs that boot in milliseconds and resume in roughly 25ms, batch jobs that spawn thousands of tasks across sandboxes in seconds, a session-first stateful Agent Runtime for long-running agents, and first-class hosting for MCP servers as private workloads. Storage is treated as memory: Agent Drive is a distributed filesystem for multi-agent collaboration, Volumes are durable mounts that retain data for years, and each sandbox gets an in-memory local filesystem with snapshots that persist until deleted. The networking layer is where the security story lives — outbound traffic can be allow-listed per workload, sandboxes can be given dedicated static outbound IPs, a managed egress proxy handles secret injection so credentials never sit inside the sandbox, and a co-located Model Gateway provides one endpoint across every model provider. Blaxel can be consumed as managed cloud, self-hosted, or deployed into a customer VPC, and the site offers a free entry point where a first sandbox spins up in under a second.
Ideal use cases:
- •Teams or individuals who need microvm sandboxes that boot in milliseconds and resume in ~25ms
- •Teams or individuals who need batch jobs spawning thousands of sandboxed tasks in seconds
- •Teams or individuals who need agent drive distributed filesystem for multi-agent collaboration
- •Teams or individuals who need per-workload outbound allow-lists, static ips, and secret-injecting egress proxy
- •Anyone focused on sandboxes workflows
- •Anyone focused on microvm workflows
Best for: Probe
Probe is a compliance scanner for AI agent APIs and MCP servers. You paste a URL and it runs forty-four checks in about thirty seconds, returning a 0-100 score, a letter grade, and a README badge, with no account required. The check set is unusually specific to the agent ecosystem rather than being a generic web scanner with AI branding. It covers the x402 agent payment standard by auto-discovering /.well-known/x402.json and validating payment metadata; MCP endpoint discovery, tool declarations, and transport security; Google's A2A protocol via agent.json discovery and skill declarations; ERC-8004 onchain agent identity registration on Base and Ethereum; and llms.txt and AI plugin discovery. Alongside those it runs conventional infrastructure checks — HSTS, CSP, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, CORS, rate limiting, DNSSEC, CAA, DMARC and SPF, TLS, OpenAPI spec validation, API versioning, and Content-Type consistency — plus a regulatory cluster covering EU AI Act human oversight under Article 14, AI disclosure and risk classification, GDPR privacy and data-processing disclosure, FATF Travel Rule VASP disclosure, and ten voice-AI-specific checks for synthetic voice labeling, call recording consent, and operator identity. The grading is framed around listing readiness: A means listing-ready with minor fixes, C means the endpoint will fail x402 validation, D and F mean critical gaps. Subscribing adds up to 24 scans a day with email alerts. The vendor states the product is entirely free with no paid tier, funded by the compliance dataset it builds.
Ideal use cases:
- •Teams or individuals who need 44 checks in ~30 seconds with a 0-100 score, letter grade, and readme badge
- •Teams or individuals who need x402 payment discovery and validation, plus erc-8004 onchain identity checks
- •Teams or individuals who need mcp endpoint discovery, tool declarations, and transport security
- •Teams or individuals who need a2a agent.json discovery and skill declaration validation
- •Anyone focused on mcp workflows
- •Anyone focused on x402 workflows
🤖 Other AI Agent Infrastructure Tools to Consider
Blaxel and Probe aren't the only options. Here are other popular tools in the same space:
SuperAGI
Open-source autonomous AI agent framework with visual dashboard — 14K GitHub stars
MetaGPT
Multi-agent AI framework simulating software teams — 45K GitHub stars, builds full apps from prompts
Cerebras
Fastest LLM inference powered by the Wafer Scale Engine.
Scale AI
AI data platform for training data and model evaluation.
Roboflow
End-to-end computer vision platform for developers.
Labelbox
Enterprise data labeling platform for ML training datasets.
Is one of these your tool?
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Frequently Asked Questions
Is Blaxel better than Probe?
It depends on your needs. Blaxel offers 6 key features including MicroVM sandboxes that boot in milliseconds and resume in ~25ms and Batch jobs spawning thousands of sandboxed tasks in seconds, while Probe provides 6 features including 44 checks in ~30 seconds with a 0-100 score, letter grade, and README badge and x402 payment discovery and validation, plus ERC-8004 onchain identity checks. Blaxel uses a freemium model with a free tier, while Probe is free with free access available. Choose based on which features and pricing model align with your requirements.
Is Blaxel cheaper than Probe?
Probe doesn't have standard paid plans, while Blaxel starts at A free tier is advertised ('get started for free, spin up your first sandbox in under a second'). The pricing page's tier table is rendered client-side and not readable from a plain fetch, so no per-unit rate is quoted here. Managed cloud, self-hosting, and VPC deployment are all offered.. Both tools offer free tiers, so you can try each before committing. Always check the official websites for the most current pricing.
Can I use Blaxel and Probe together?
Yes, many users combine Blaxel and Probe in their workflow. Blaxel excels at microvm sandboxes that boot in milliseconds and resume in ~25ms, while Probe shines with 44 checks in ~30 seconds with a 0-100 score, letter grade, and readme badge. Using both allows you to leverage the strengths of each tool, though this means managing two subscriptions — though free tiers can help manage costs.
What's the main difference between Blaxel and Probe?
While both are ai agent infrastructure tools, Blaxel emphasizes microvm sandboxes that boot in milliseconds and resume in ~25ms, whereas Probe is known for 44 checks in ~30 seconds with a 0-100 score, letter grade, and readme badge. The best choice depends on your specific workflow and feature priorities.
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