PostHog vs ConfigCat pricing
Both are in feature flag apis. PostHog is billed per request (volume-tiered); ConfigCat is billed flat tier (config fetches). Numbers below are copied from each vendor's pricing page.
PostHogFree tier or trial
- Free tier
- First 1M flag-eval requests/mo free, no credit card
- Billed
- Per request (volume-tiered)
- Best for
- All-in-one product analytics with built-in flags
- Verified
- Jun 27, 2026
ConfigCatFree tier or trial
- Free tier
- Free: 10 flags, unlimited seats, unlimited flag reads
- Billed
- Flat tier (config fetches)
- Best for
- Simple flat-priced feature flags for any team size
- Verified
- Jun 27, 2026
PostHog plans
| Plan | Price | What it covers |
|---|---|---|
| Free | $0/mo | First 1,000,000 feature-flag requests per month free; no credit card required; full flag feature set. |
| Pay-as-you-go (1-2M tier) | $0.0001 / request | Per-request rate applied to flag-evaluation requests beyond the 1M free monthly allowance. |
| Pay-as-you-go (2-10M tier) | $0.000045 / request | Volume-discounted rate for 2-10M monthly flag requests. |
| Pay-as-you-go (10-50M tier) | $0.000025 / request | Volume-discounted rate for 10-50M monthly flag requests. |
| Pay-as-you-go (50M+ tier) | $0.00001 / request | Lowest tier, a 10x reduction vs the entry rate, for 50M+ monthly flag requests. |
- Request-based billing means high-traffic client-side evaluation can get expensive without adopting local evaluation
Source: https://posthog.com/pricing
ConfigCat plans
| Plan | Price | What it covers |
|---|---|---|
| Forever Free | $0/mo | 10 feature flags, 2 environments, 2 products, 2 segments, 4 targeting rules/flag, 1 webhook, 7-day audit log; unlimited seats & MAUs. |
| Pro | $110/mo | 100 flags, 3 environments, 3 products, 8 targeting rules/flag, 3 webhooks, API access, tech-debt tools, 35-day audit log. |
| Smart | $325/mo | Unlimited flags/environments/segments/webhooks, 10 products, unlimited permission groups, 35-day audit log. |
| Enterprise | $900/mo | Unlimited everything, 99.99% uptime SLA, 2-year audit log retention, premium SLA support. |
| Dedicated | $4,500/mo | Private cloud deployment, 99.99% SLA, 2-year audit log, software escrow available, premium support. |
- Higher tiers jump steeply ($110 → $325 → $900 → $4,500)
- Lower tiers cap flags/environments/products, forcing upgrades for larger projects
- Free tier carries no SLA service credits and only a 99% uptime commitment
Source: https://configcat.com/pricing/