The short answer: Tavily charges per search with plan tiers. The cheapest measured alternative in ScriptMasterLabs' October 2026 test was $0.001 per accepted page read via x402 — you pay only when the page comes back clean, with 96 successful settlements logged on Base.
ScriptMasterLabs' October 2026 test measured $0.001 per accepted page read on its x402 URL-to-Markdown endpoint — pay-per-accepted-delivery, failed fetches cost $0.
What does Tavily cost per search?
Tavily bills per search across plan tiers; Exa follows the same per-search model. The number that matters isn't the sticker price — it's cost per clean read. Every failed fetch on a per-attempt plan is money for nothing.
Tavily vs Exa vs Firecrawl: which is cheapest?
TavilyExaFirecrawlSML x402
Billing modelPer searchPer searchPer callPer accepted delivery
Subscription requiredYesYesYesNo — 402 is the quote
Failed read costBilledBilledBilled$0
Measured $/accepted readPlan-dependentPlan-dependentPlan-dependent$0.001 (Oct 2026)
Per-search billing (Tavily, Exa) vs per-call billing (Firecrawl) vs pay-per-accepted-delivery ($0.001/read, SML x402) — the delivery model decides the bill, not the sticker price.
What is the best Tavily alternative for AI agents?
AI agents need one endpoint, one price, and payment only on clean delivery. 96 x402 settlements on Base since September 2026 show agents already pay this way: the agent hits the endpoint, gets a 402 challenge, signs, and retries — no API key, no account.
Is there a Tavily alternative with no subscription?
Yes. With x402, the HTTP 402 challenge is the price quote:
curl -s -D - https://squeezeos-api.onrender.com/api/web/read-markdown?url=example.com
HTTP 402 — PAYMENT-REQUIRED: amount 0.001 USDC, payTo 0xc29185fa176357612f3194735753e520e91adc46
With x402 pay-per-call there is no subscription: the HTTP 402 challenge states the price, the asset, and the pay-to address — the 402 challenge is the price quote.
Method
Measurement date: October 6, 2026. Live probe of the production endpoint returned the $0.001/accepted-read challenge; 96 PAYMENT-RESPONSE settlements observed on Base since 2026-09-02. Competitor billing models from live pricing pages, October 2026. Failed-read cost follows directly from each model's billing unit.
The full breakdown
The complete honest comparison — pricing-model math, when per-search wins, live endpoint details, claim receipts — is in the Tavily Alternatives guide ($29):
Ko-fi: ko-fi.com/s/7e87b0bffc
Google Play: play.google.com — Tavily Alternatives ($29)
ScriptMasterLabs — a service-disabled veteran-owned small business. Measurements dated; re-probed periodically. Not financial advice.