PlanetScale vs Helicone
Serverless MySQL (Vitess) and Postgres at scale
vs. Open-source LLM observability — 1-line integration via proxy
Pricing tiers
PlanetScale
Postgres EBS single-node — PS-5
Single-node EBS, 512 MiB RAM, arm64. Entry point for Postgres.
$5/mo
Postgres EBS HA — PS-5
3-node (primary + 2 replicas), 512 MiB, arm64.
$15/mo
Vitess (non-Metal) — PS-10
Vitess MySQL sharded cluster, 1 GiB RAM.
$39/mo
Postgres Metal — M-10
3-node Metal, 1 GiB RAM + 10 GiB local storage. Much higher IOPS.
$50/mo
Vitess Metal — M-160
Vitess Metal, 16 GiB RAM + 110 GiB storage.
$609/mo
Enterprise
Custom agreements, dedicated regions, 99.99% SLA.
Custom
Helicone
Hobby (Free)
10,000 requests/month. 7-day retention. 1 seat. Basic monitoring.
Free
Startup Discount
<2 years, <$5M funding: 50% off first year.
$0 base (usage-based)
Self-Hosted (OSS)
MIT-licensed. Run Helicone yourself for free.
$0 base (usage-based)
Pro
$79/month. 10k free + usage-based. Unlimited seats. Alerts, reports, HQL query language. 1-month retention.
$79/mo
Team
$799/month. 5 orgs, SOC-2 + HIPAA compliance, dedicated Slack, 3-month retention.
$799/mo
Enterprise
Custom MSA, SAML SSO, on-prem deploy, bulk discounts, forever retention.
Custom
Free-tier quotas head-to-head
Comparing pg-ebs-nonha-starter on PlanetScale vs hobby on Helicone.
| Metric | PlanetScale | Helicone |
|---|---|---|
| ha | 0 nodes | — |
| ram mib | 512 MiB | — |
Features
PlanetScale · 12 features
- Backups — Automated daily backups with retention.
- Database Branching — Git-like branches of your DB schema (not data). Create, diff, merge via deploy r…
- Deploy Requests — Schema changes in a feature branch get reviewed + auto-applied to main with zero…
- HIPAA — HIPAA-compliant deployments (Enterprise).
- Metal (NVMe) — Dedicated NVMe local storage. 10x IOPS vs EBS, latency-critical workloads.
- PgBouncer Pooler — Managed PgBouncer for Postgres clusters. Optional dedicated pooler.
- PlanetScale Boost — Query result cache with sub-ms reads.
- Point-in-Time Recovery — Restore cluster to any point within retention window.
- Postgres on PlanetScale — PostgreSQL 15+ with the same branching + deploy-request flow. Launched 2024.
- Query Insights — Per-query performance analytics, slow query tracking, explain plans.
- Read-only Regions — Route reads to the nearest region for lower latency.
- Vitess (MySQL at scale) — Horizontally-sharded MySQL (YouTube-scale) — original PlanetScale offering.
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.
Developer interfaces
| Kind | PlanetScale | Helicone |
|---|---|---|
| CLI | PlanetScale CLI (pscale) | Helicone CLI |
| SDK | @planetscale/database | helicone (npm), helicone-python |
| REST | Management API | Async Logging API, Helicone Proxy, Query API (HQL) |
| MCP | PlanetScale MCP | — |
| OTHER | MySQL Wire Protocol, Postgres Wire Protocol | Helicone Dashboard, Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to PlanetScale and Helicone are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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