fanbox vs Poolside AI

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-08-15
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At a glance

DimensionfanboxPoolside AI
PricingFree (open source)Contact sales (enterprise)
DeploymentmacOS only (Apple Silicon arm64)On-prem, VPC, workstation (defense only)
Target UserIndividual vibe coders, hobbyistsEnterprises in regulated industries
Key FeatureThree-panel layout, live diff, terminalCustom foundation models, multi-agent orchestration, 256K context
CollaborationNone (single-user only)Role-based access control, auditability
Open SourceMIT-like licenseOpen-weight models available (research preview)

Poolside AI is built for enterprises needing secure, custom AI agents in regulated environments, while fanbox is a free, individual-focused tool for rapid, visual coding on Mac. Unless you have enterprise requirements and budget, fanbox offers immediate, no-cost value for solo developers on Apple Silicon. Choose Poolside only if you need on-prem deployment, governance, and multi-step agent capabilities.

fanbox
fanbox

Libre macOS vibe coding cockpit: agent inter-control & live diff

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Poolside AI
Poolside AI

Open-weight agentic coding models for regulated enterprises needing auditable, on-prem AI

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Pricing
Free
Contact Sales
Plans
$0/mo
Popularity
21 views
7.1k views
Skill Level
Intermediate
Advanced
API Available
Platforms
Desktop
DesktopCLIAPIWeb
Categories
💻 Code & Development
💻 Code & Development🛠️ Autonomous Coding Agents⚛️ Foundation Models & LLM APIs🛡️ AI Governance & Guardrails
Features
Three-panel layout: file browser, live diff, terminal
Live diff viewer highlighting real-time code changes
WebGL-accelerated xterm 6.0.0 terminal emulator
Agent Control API: list terminals, read output, send keystrokes, open new windows, long-poll
Per-session random security token via FANBOX_CTL_TOKEN
Controlled tab ⚡ badge indicator
One-click Agent 互控 skill installer for Claude
Automatic glyph atlas maintenance every 5 minutes and on idle
Toggleable WebGL rendering switch with DOM fallback
CJK character rendering via xterm 6.0 upgrade
File follow mode with idle indicator
Skin/theme switching preserves terminal state
Dock hiding on close (state persisted)
Sidebar scheduled tasks entry with proper spacing and hover (v2.12.1)
Hardened runtime and code signing for arm64 & x64
Open-weight Laguna S 2.1 model with 118B params, 8B active, 1M context
Open-weight Laguna XS 2.1 model with 33B params, 3B active, 256K context
256K context length on XS 2.1 for long-horizon reasoning
1M context length on S 2.1 for extended reasoning tasks
Multi-agent orchestration with planning and tool use
Sandboxed agent execution environments for safe code runs
IDE extensions and terminal UI (TUI) for developer workflows
Custom model fine-tuning for domain-specific needs
On-prem, VPC, or workstation deployment
Data connectors to repositories, databases, and warehouses
Role-based access control for humans and agents
Executive-grade governance and auditability features
Real-time observability with end-to-end traces
Air-gapped network support
Runs on-device for lightweight scenarios
Integrations
OpenRouter
Vercel AI Gateway

What real users say: fanbox vs Poolside AI

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

fanbox

62 mentions across 5 sources · 60% positive — mixed

YouTube, App Store, Bluesky, GitHub, Lemmy

What users praise

  • Real-time live diff viewer reduces context switching during coding.
  • Three-panel layout (files, terminal, diff) is intuitive for vibe coding.
  • Free and open-source with MIT-like license — no vendor lock-in.
  • Active development with rapid bugfix releases (v2.3.3).

What frustrates them

  • Terminal rendering glitches and character corruption reported frequently.
  • Switching project schemas kills active terminal sessions without warning.
  • Only available for macOS Apple Silicon — no Windows or Intel support.
  • Open issues pile up — 12 unresolved on a small repository.

Researched Jun 30, 2026

Poolside AI

40 mentions across 4 sources · 48% positive — mixed

Hacker News, YouTube, Bluesky, Lemmy

What users praise

  • Open-weight models with strong SWE-bench scores (72.5%).
  • On-prem, VPC, and air-gapped deployment for high security.
  • 256K context length supports long-horizon reasoning tasks.
  • Multi-agent orchestration with sandboxed execution environments.

What frustrates them

  • Community feedback is scarce; limited real-world user reviews.
  • Platform is still in research preview as of April 2026.
  • Pricing is opaque; only 'contact us' with no published tiers.
  • Trademark dispute with Poolside FM creates name confusion.

Researched Jul 17, 2026

Who should pick which

  • Enterprise DevOps team in finance
    Pick: Poolside AI

    Poolside's on-prem deployment, RBAC, and auditability meet compliance requirements for high-consequence environments.

  • Hobbyist developer on Mac
    Pick: fanbox

    Fanbox is free, open-source, and provides a live diff + terminal experience perfect for iterative vibe coding.

  • Defense contractor needing air-gapped AI
    Pick: Poolside AI

    Poolside supports workstation deployment for defense and allows custom models inside security boundaries.

  • Indie game developer prototyping ideas
    Pick: fanbox

    Fanbox offers a lightweight, low-overhead workspace to iterate quickly with visual feedback.

Frequently Asked Questions

fanbox vs Poolside AI: which should you choose?

Poolside AI is built for enterprises needing secure, custom AI agents in regulated environments, while fanbox is a free, individual-focused tool for rapid, visual coding on Mac. Unless you have enterprise requirements and budget, fanbox offers immediate, no-cost value for solo developers on Apple Silicon. Choose Poolside only if you need on-prem deployment, governance, and multi-step agent capabilities.

Can I use Poolside AI as an individual developer?

No, Poolside AI targets enterprises and requires sales contact. It is not designed for individual use.

Is fanbox available on Windows or Linux?

No, fanbox is macOS only (Apple Silicon arm64). No Windows or Linux support.

Does Poolside AI support cloud-only deployment?

Poolside's strength is on-prem/VPC/workstation deployment; they also offer API access to Laguna models. Managed cloud is not the primary focus.

Can fanbox be used for team collaboration?

No, fanbox is a single-user desktop app with no multi-user or collaboration features.

What models does Poolside AI offer?

Laguna XS.2 (33B params, 3B active) and Laguna M.1 (225B params, 23B active) with 256K context length.

Is fanbox open source?

Yes, fanbox is open source under an MIT-like license.

Does fanbox have a live diff viewer?

Yes, the center panel shows a live diff of changes, updating in real time.

Can Poolside AI be used in air-gapped environments?

Yes, Poolside supports on-prem and VPC deployments, and workstation for defense, allowing air-gapped use.

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Last reviewed: June 30, 2026