Mailgun vs Helicone

Mailgun

Helicone

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_…

Helicone · 16 features

• Alerts — Thresholds on error rate, latency, cost, usage. Pro+.
• Async Logging — Log AFTER the LLM call via SDK — zero added latency.
• Cost Tracking — Automatic cost calculation per call by provider/model.
• Dashboard — Request tables, aggregate metrics, cost breakdowns.
• Evaluators — LLM-as-judge + custom evaluators on runs.
• Experiments — A/B test different models/prompts.
• HQL (SQL over traces) — Query your logged data with SQL. Pro+.
• PII Redaction — Automatically scrub emails, credit cards, etc. from logs.
• Prompt Caching — Cache identical requests → save money.
• Prompts & Versions — Store + version + A/B test prompts.
• Proxy Mode — 1-line integration via base URL swap. Captures all requests.
• Rate Limiting — Per-user + per-key rate limit policies.
• Reports — Scheduled email reports with KPIs.
• Self-Hosting — Docker + k8s deployment.
• Sessions — Group related calls (chat sessions, agent runs).
• User Metrics — Per-user cost + usage segmentation.