Compare · llm & agent observability

Helicone vs PostHog pricing

At 1M traces/month, Helicone is the cheaper list price ($243 vs $450).

HeliconePostHog
Free tierHobby: 10K requests/month, 1 GB storage, 1 seat, 7-day retention.1M analytics events, 5K session recordings, 100K AI-observability events, 1M feature-flag requests per month (resets monthly).
Billing unit (LLM & agent observability)requestsAI events
First paid planPro: $79/moPay-as-you-go: $0 base + usage
Pricing dataPublished pricingPublished pricing
Company statusMaintenance modeActive
Open source / self-hostYes / YesYes / Yes
Last checked2026-10-192026-10-19

LLM & agent observability: estimated monthly cost

traces / monthHeliconePostHog
100K$133
Pro
$68.00
Pay-as-you-go
1M$243
Pro
$450
Pay-as-you-go
10M$615
Pro
$3,930
Pay-as-you-go

Run your own numbers →

Estimate, check vendor page. Figures are list prices computed from publicly posted pricing on the "last checked" date. They exclude taxes, discounts, add-ons, seats and contract terms unless stated. Always confirm on the vendor's own pricing page.

Plans side by side

Helicone
HobbyFree
Pro$79/mo
10K requests free + usage-based
Team$799/mo
EnterpriseContact sales
PostHog
Free$0
Usage stops at free-tier limits.
Pay-as-you-go$0 base + usage
Per-product graduated rates above the free allowance; billing limits per product.

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Helicone alternatives · PostHog alternatives