AI visibility report for Cloudflare
Vertical: AI Code Sandboxes & Agent Runtimes
AI search visibility benchmark across 5 platforms in AI Code Sandboxes & Agent Runtimes.
Also benchmarked
Cloudflare appears in 3 other verticals
Presence Rate
Top-3 citations across 125 prompt × platform pairs
Sentiment
Peer Ranking
Key Metrics
Platform Breakdown
Grok
Perplexity
Google AI Mode
Gemini Search
ChatGPTOverview
Cloudflare (NYSE: NET) is a publicly traded connectivity cloud company founded in 2009 and headquartered in San Francisco. In the AI Code Sandboxes & Agent Runtimes vertical, its primary offering is the Sandbox SDK—a developer tool that provisions secure, isolated Linux container environments accessible via a TypeScript API from Cloudflare Workers, with no infrastructure to manage. Built on Cloudflare's global Containers platform (330+ cities, 125+ countries), the Sandbox SDK supports command execution, file management, background processes, browser terminals, code interpretation, and persistent storage via R2. It integrates natively with Workers AI, Durable Objects, and Cloudflare AI Gateway, making it purpose-built for AI agents that need to run untrusted or LLM-generated code at scale. The SDK reached general availability during Cloudflare's Agents Week in April 2026. FY2025 revenue was $2.17B.
Cloudflare Sandbox SDK is a managed code execution environment platform that allows developers to spin up secure, isolated Linux containers from Cloudflare Workers via a TypeScript API. It is designed for building AI agents that execute untrusted or LLM-generated code, interactive development environments, data analysis notebooks, and CI/CD systems. Each sandbox provides a full Linux environment with shell access, file management, persistent storage, WebSocket-connected browser terminals, real-time filesystem watching, and native integration with Workers AI for AI-native workflows. The product runs on Cloudflare's global edge network and requires no infrastructure management.
Key Facts
- Founded
- 2009
- HQ
- San Francisco, CA, USA
- Founders
- Matthew Prince, Lee Holloway, Michelle Zatlyn
- Employees
- 5000-7000
- Funding
- ~$332M pre-IPO; $1.8B post-IPO debt (202
- ARR
- ~$2.17B (FY2025 revenue)
- Customers
- ~265,929 paying customers (Q2 2025)
- Status
- Public (NYSE: NET)
Target users
Key Capabilities10
- Isolated Linux container sandboxes via TypeScript SDK with no infrastructure management
- AI code execution with native Workers AI and multi-provider LLM integration
- Interactive browser-based terminals over WebSocket with automatic reconnection
- File system management: read, write, mkdir, watch for real-time filesystem events
- Background process management with streaming output and automatic timeout handling
- S3-compatible object storage mounting (R2, AWS S3, GCS) as persistent local filesystems
- Docker-in-Docker support for containerized build workflows
- Preview URLs for HTTP services running inside sandboxes
- Python and JavaScript code interpreter with rich outputs (charts, tables, images)
- Backup, restore, and session lifecycle management with sandbox state persistence
Key Use Cases7
- Secure execution of LLM-generated code in AI coding agents
- Interactive data analysis and notebook-style environments (pandas, NumPy, Matplotlib)
- Cloud IDE and collaborative development environment hosting
- Automated CI/CD testing pipelines with isolated parallel execution
- AI agent backends requiring persistent shell and filesystem access
- Code review automation bots with execution verification
- Data persistence workflows integrating R2 object storage
Recent Trend
How AI describes Cloudflare3
Cloudflare Sandboxes * Real-time streaming of stdout and stderr from long-running commands, enabling immediate feedback without polling.
What sandboxed execution environments have good support for streaming output back to the calling application in real time during an agent's code run?
Cloudflare Sandboxes/Workers are best when the code is stateless, edge-local, and mostly JavaScript/TypeScript oriented rather than for general-purpose long-running workloads.
What sandboxed agent runtime platforms are best suited for production workloads executing user-submitted code thousands of times per day?
Notable options typically highlighted include Northflank, Runloop Devboxes, Koyeb, Modal, Daytona, and Cloudflare/edge-focused sandboxes.
Which code sandbox platforms are considered production-ready for enterprise AI applications where uptime and SLA guarantees actually matter?
Most cited sources8
- B25
Sandboxing AI agents, 100x faster
blog.cloudflare.com·Blog Post
- D19
Overview · Cloudflare Sandbox SDK docs
developers.cloudflare.com·Documentation
- W11
Cloudflare Sandboxes - Secure Code Execution
workers.cloudflare.com·Product Page
- W5
Cloudflare Sandboxes - Secure Code Execution
workers.cloudflare.com·Product Page
- B5
Project Think: building the next generation of AI agents on Cloudflare
blog.cloudflare.com·Blog Post
- D4
Stream output · Cloudflare Sandbox SDK docs
developers.cloudflare.com·Documentation
Alternatives in AI Code Sandboxes & Agent Runtimes6
Cloudflare Sandbox SDK differentiates itself from standalone AI sandbox/agent runtime providers through deep integration with Cloudflare's global edge network (330+ cities, 125+ countries), zero-trust security by default, and a comprehensive developer platform ecosystem (Workers, AI Gateway, R2, Durable Objects).
- Unlike pure-play sandbox competitors such as E2B or Morph Labs, Cloudflare offers sandboxes as one layer of a full agentic infrastructure stack—covering inference, storage, identity, and networking alongside code execution.
- Pricing is consumption-based and tied to the existing Workers Paid plan, lowering the barrier for existing Cloudflare customers.
- Cloudflare was named a Leader in the 2026 Forrester Wave for Edge Development Platforms, reinforcing its positioning as infrastructure-native.
- The Sandbox SDK (GA announced April 2026) is positioned as the compute primitive for Cloudflare's self-described 'agentic cloud' strategy.
Reviews
Praised
- Global edge performance and low latency
- Generous free tier with broad feature access
- Unified security and performance on one platform
- Easy setup and intuitive dashboard
- Developer-friendly APIs and Workers extensibility
- Strong DDoS protection and WAF
- Comprehensive documentation and tutorials
Criticized
- High enterprise pricing
- Occasional outages affecting large portions of the internet
- Real-time logs require third-party tools
- Advanced configuration complexity and steep learning curve
- Documentation fragmented across many products
- Support quality varies by plan tier
Review data specific to the Cloudflare Sandbox SDK is not yet available given its recent GA status (April 2026). Across its broader developer platform, Cloudflare, Inc. is rated 4.5/5 on G2 from 697 verified reviews. Reviewers consistently praise the platform's ease of setup, strong free tier, global network performance, and unified security-plus-performance design. Common criticisms include high enterprise pricing, occasional high-impact outages, real-time log retrieval complexity requiring third-party tools, and steep configuration learning curves for advanced policies.
Pricing
The Sandbox SDK requires a Cloudflare Workers Paid plan ($5/month). Pricing is consumption-based on the underlying Containers platform: memory at $0.0000025/GiB-second (25 GiB-hours/month included), vCPU at $0.000020/vCPU-second (375 vCPU-minutes/month included), and disk at $0.00000007/GB-second (200 GB-hours/month included). Six instance types are available from 'lite' (1/16 vCPU, 256 MiB RAM, 2 GB disk) to 'standard-4' (4 vCPU, 12 GiB RAM, 20 GB disk). Network egress is $0.025/GB in North America and Europe (1 TB/month included). Additional Workers and Durable Objects usage charges apply per standard Cloudflare pricing.
Limitations
- The Sandbox SDK was in Beta through early 2026 and only reached GA in April 2026, meaning SLAs, feature stability, and documented limits may still evolve.
- The product is tightly coupled to the Cloudflare Workers ecosystem, limiting portability to other clouds.
- A Workers Paid plan ($5/month minimum) is required; the free tier has no sandbox access.
- HTTP transport mode is subject to Workers subrequest limits (1,000/request on paid).
- Some features—such as S3-compatible bucket mounting—require production deployment (not available in local development).
- No native GPU/CUDA support is documented for ML inference workloads within sandboxes; GPU inference is routed through Workers AI separately.
- Beta-era documentation is acknowledged to sometimes lag behind features.
Frequently asked questions
Topic Coverage
Prompt-Level Results
| Prompt | Google AI Mode | Gemini Search | Grok | ChatGPT | Perplexity |
|---|---|---|---|---|---|
Capability2/5 cited (40%) | |||||
Which sandboxed execution platforms let AI agents run arbitrary shell commands safely without kernel-level escape risks or shared-tenant interference? | |||||
What are the best isolated runtime options for AI agents that need persistent filesystem state across multiple execution steps in a single session? | |||||
Which agent runtime platforms support spawning concurrent sandbox instances so multiple AI agents can run code in parallel for a multi-agent workflow? | |||||
I need a code execution environment that supports GPU workloads for AI-generated training scripts — which sandboxed platforms handle that use case? | |||||
Looking for a sandboxed code interpreter that can handle long-running jobs — 10 to 30 minutes — without hitting timeout limits. What are my options? | |||||
Developer Experience2/5 cited (40%) | |||||
Which agent compute platforms have the most active developer communities and solid docs for teams just getting into agentic AI workflows? | |||||
I want a sandboxed runtime where my team can define reusable execution templates — which platforms make that workflow easy without deep infra knowledge? | |||||
Which code sandbox services have good observability built in so I can actually debug what my AI agent is running inside the environment? | |||||
What do platform engineers typically use to manage ephemeral execution environments for AI agents — and which options have the least operational burden? | |||||
Which AI sandbox platforms offer the best developer experience for iterating on agent tools locally before deploying to production? | |||||
Integrations & Ecosystem2/5 cited (40%) | |||||
What are the best code execution sandbox options that support pre-installing custom dependencies from a private package registry before agent runs? | |||||
Which sandboxed agent runtimes integrate well with popular LLM orchestration frameworks so I don't have to build a custom execution bridge? | |||||
What sandboxed execution environments have good support for streaming output back to the calling application in real time during an agent's code run? | |||||
Which agent compute platforms avoid heavy lock-in and work across major cloud providers so I can keep data residency in my existing infrastructure? | |||||
I need an AI agent sandbox that allows secure outbound connections to a relational database during execution — which platforms support that? | |||||
Performance & Reliability3/5 cited (60%) | |||||
What sandboxed agent runtime platforms are best suited for production workloads executing user-submitted code thousands of times per day? | |||||
Which code sandbox platforms are considered production-ready for enterprise AI applications where uptime and SLA guarantees actually matter? | |||||
Which microVM sandbox services have the lowest cold-start latency for AI agent code execution at scale — sub-500ms range? | |||||
My AI agent generates and executes code in a tight loop — which sandbox platforms sustain high-frequency execution without degrading over time? | |||||
Which isolated execution environments scale elastically under bursty AI agent traffic without me having to pre-provision capacity? | |||||
Setup & First Run1/5 cited (20%) | |||||
Looking for an ephemeral code execution environment I can provision per user session — which services have a simple SDK or API to get started quickly? | |||||
I'm evaluating sandboxed agent runtimes for a small team building an AI data analyst tool — what should I look at to avoid the overhead of self-hosting? | |||||
What's the fastest sandbox runtime to spin up for an AI agent backend — which platforms let you get isolated code execution running in under 5 minutes? | |||||
Which microVM-based sandbox platforms have the smoothest onboarding for a solo developer shipping an AI coding assistant MVP? | |||||
I'm adding a code interpreter to my LLM app and need a sandboxed runtime — which services are easiest to integrate without managing my own infrastructure? | |||||
Strengths
No clear strengths identified yet.
Gaps5
I'm adding a code interpreter to my LLM app and need a sandboxed runtime — which services are easiest to integrate without managing my own infrastructure?
Competitors on 5 platforms
Looking for an ephemeral code execution environment I can provision per user session — which services have a simple SDK or API to get started quickly?
Competitors on 4 platforms
What sandboxed agent runtime platforms are best suited for production workloads executing user-submitted code thousands of times per day?
Competitors on 4 platforms
Which code sandbox platforms are considered production-ready for enterprise AI applications where uptime and SLA guarantees actually matter?
Competitors on 4 platforms
Which sandboxed agent runtimes integrate well with popular LLM orchestration frameworks so I don't have to build a custom execution bridge?
Competitors on 4 platforms
Vertical Ranking
| # | Brand | PresencePres. | Share of VoiceSoV | DocsDocs | BlogBlog | MentionsMent. | Avg PosPos | Sentiment |
|---|---|---|---|---|---|---|---|---|
| 1 | Northflank | 66.4% | 42.4% | 3.2% | 66.4% | 58.4% | #19.4 | +0.37 |
| 2 | Modal | 49.6% | 25.5% | 6.4% | 8.0% | 48.0% | #18.1 | +0.41 |
| 3 | E2B | 25.6% | 13.2% | 10.4% | 8.0% | 25.6% | #26.1 | +0.40 |
| 4 | Daytona | 15.2% | 7.3% | 7.2% | 3.2% | 15.2% | #18.9 | +0.46 |
| 5 | Cloudflare | 12.0% | 4.0% | 2.4% | 6.4% | 11.2% | #27.0 | +0.42 |
| 6 | Fly.io | 6.4% | 2.5% | 3.2% | 0.8% | 6.4% | #17.6 | +0.41 |
| 7 | CodeSandbox | 4.8% | 2.0% | 2.4% | 0.0% | 4.8% | #24.7 | +0.38 |
| 8 | Together AI | 4.0% | 0.9% | 0.0% | 2.4% | 4.0% | #7.3 | +0.42 |
| 9 | Runloop | 4.0% | 2.2% | 2.4% | 0.0% | 4.0% | #62.7 | +0.40 |
| 10 | Morph Labs | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | — | — |
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