Staxly

Anthropic API vs Mailgun

API for Claude — frontier models for chat, tool use, agents, and long-context reasoning
vs. Email API for developers with deep deliverability tooling

Anthropic website ↗Mailgun website ↗

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 ↗

Mailgun

Free
100 emails/day. 1 custom domain, 1-day log retention, 1 inbound route. No credit card.
Free
Basic
$15/month. 10,000 emails/month, no daily limit, 5 inbound routes.
$15/mo
Foundation
$35/month (1st month free). 50,000 emails/month, 1,000 custom domains, 5-day retention.
$35/mo
Scale
$90/month. 100,000 emails/month, SAML SSO, 5,000 email validations, dedicated IP pools, 30-day retention.
$90/mo
Enterprise
Custom. Deliverability services, managed onboarding.
Custom
Mailgun website ↗

Free-tier quotas head-to-head

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

MetricAnthropic APIMailgun
discount batch50 % off—

Features

Anthropic API · 0 features

    Mailgun · 14 features

    • Batch Sending — Send up to 1,000 recipients per API call via recipient variables.
    • Dedicated IPs — IP pools with auto warmup. Scale+ tier.
    • Deliverability Suite — Inbox placement testing, DMARC reporting, seed lists.
    • Email Logs — Searchable log of all send attempts + events.
    • Email Templates — Template builder + variables + versioning.
    • Email Validation — Real-time email verification (syntax, MX, role accounts, disposable).
    • EU Region — Data stored in EU for GDPR-sensitive customers.
    • Inbound Routing — Route incoming emails to URLs/SMTP. Attachment forwarding.
    • Mailing Lists — Unlimited mailing lists with bulk subscribe/unsubscribe.
    • Open/Click Tracking — HTML + text tracking with configurable tracking domain.
    • SAML SSO — Scale+ tier.
    • Send API — REST/SMTP send with MIME + tracking.
    • Tags — Tag messages to slice stats.
    • Webhook Events — delivered, opened, clicked, unsubscribed, complained, permanent_fail, temporary_…

    Developer interfaces

    KindAnthropic APIMailgun
    CLIClaude Code CLI—
    SDKGo SDK, Java SDK, Python SDK, Ruby SDK, TypeScript SDK (@anthropic-ai/sdk)mailgun.js (Node), mailgun-php, mailgun-python, mailgun-ruby
    RESTAWS Bedrock, Google Vertex AI, Microsoft Azure AI, REST API (Messages + Agents)Mailgun REST API
    OTHER—Inbound Routing, SMTP Relay, Webhooks
    Staxly is an independent catalog of developer platforms. Outbound links to Anthropic API and Mailgun are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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