Staxly

Anthropic API vs Penpot

API for Claude — frontier models for chat, tool use, agents, and long-context reasoning
vs. Open-source design + prototyping platform — Figma alternative, self-hostable

Anthropic website ↗Penpot (OSS) ↗

Pricing tiers

Anthropic API

Opus 4.7 — usage
Input $5 / output $25 / cache-write $6.25 / cache-read $0.50 per 1M tokens. Batch = 50% off.
Custom
Sonnet 4.6 — usage
Input $3 / output $15 / cache-write $3.75 / cache-read $0.30 per 1M tokens. Batch = 50% off.
Custom
Haiku 4.5 — usage
Input $1 / output $5 / cache-write $1.25 / cache-read $0.10 per 1M tokens. Batch = 50% off.
Custom
Anthropic website ↗

Penpot

Free (Cloud)
$0. Unlimited files, unlimited projects, unlimited users. Full feature set.
Free
Self-Hosted (OSS)
Free forever. MPL 2.0 license. Docker Compose deploy. Full feature parity with cloud.
$0 base (usage-based)
Enterprise
Custom. Self-hosted support contract, SLA, training.
Custom
Penpot (OSS) ↗

Free-tier quotas head-to-head

Comparing opus-4-7 on Anthropic API vs free on Penpot.

MetricAnthropic APIPenpot
discount batch50 % off—

Features

Anthropic API · 0 features

    Penpot · 16 features

    • Accessibility Checks — Contrast + color blindness.
    • Animations — Transitions + effects.
    • Auto Layout — Responsive components.
    • Comments — In-file discussion.
    • Components + Variants — Reusable elements.
    • Design Canvas — Vector drawing + layout.
    • Design Tokens (W3C) — Named design variables.
    • Figma File Import — Migrate from Figma.
    • Flex + Grid Layout — Layout constraints.
    • Inspector + Code Export — CSS/HTML/React/Flutter code.
    • Native SVG — Not a proprietary blob.
    • Plugins API — Extend Penpot.
    • Prototyping — Interactive flows.
    • Self-Host (MPL-2.0) — Docker deploy.
    • Shared Libraries — Team asset libraries.
    • Version History — File revisions.

    Developer interfaces

    KindAnthropic APIPenpot
    CLIClaude Code CLI—
    SDKGo SDK, Java SDK, Python SDK, Ruby SDK, TypeScript SDK (@anthropic-ai/sdk)Penpot Plugins API
    RESTAWS Bedrock, Google Vertex AI, Microsoft Azure AI, REST API (Messages + Agents)—
    OTHER—Desktop App, Export + Inspect, Penpot Web, Self-Host (Docker)
    Staxly is an independent catalog of developer platforms. Some links to Anthropic API and Penpot may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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