Sponsored trial
Sponsored trial; caps unconfirmed
See billing details
- Allowance and restrictions
- No wallet/deposit, admission and unspecified caps; reports publicly linked.
Keryx pricing
● Identity checkedAI cited research and source payments · Official-source review 2026-10-09 UTC
Keryx researches questions with cited sources and exposes source-selection and creator-payment evidence, with public sponsored trials and separately priced paid research.
- Category
- AI cited research and source payments
- Free access
- Sponsored trial needs no wallet/deposit but admission and usage/spending caps apply; numeric free question allowance unconfirmed. Trial reports have public links; free paper metadata is distinct from free synthesis.
- API access
- Paid research API, remote MCP and agent/CLI requests documented. Arc USDC funded wallet for paid jobs; no wallet connected, signature supplied or payment performed.
Understand the total cost
Keryx pricing & plans
Observed Quick package
Observed 0.10 USDC/job
See billing details
- Allowance and restrictions
- 0.05USDC service plus0.05creator reserve=0.1total; fixed/nonrefundable/best effort, authoritative purchase challenge.
Research Monthly
0.36 USDC / 30 days
Prepaid finite request bundle; no automatic renewal
- Allowance and restrictions
- Four Deep requests within thirty days; failures/pending use slots and unused expire. Manual renewal, public research.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Official product information
Product identity and relevant official-source evidence reviewed individually.
Read original source ↗Costs and constraints
Observed Quick package0.05USDC service+0.05creator cap=0.1total; payment challenge authoritative, notUSD0.05 total. Fixed nonrefundable; unused creator reserve retained, best-effort target without refund/service credit. Manual thirty-day plan0.36USDC/four Deep requests: failures/pending use slots, unused expire, no auto-renew/unlimited. Paid route considers registered content/free feeds, not whole web; only two listed sources loaded in review. Trial/public jobs may enter public archive; job/recovery file grants access. Private jobs restricted to payer but vendor/AI process questions, not E2E. No research request, wallet, payment or upload performed.
Read original source ↗Public trial reports
Trial reports have public links. Use questions you can share publicly.
Read original source ↗Non-refundable package
Fixed-price and non-refundable. Unused creator reserve stays in the package.
Read original source ↗Manual monthly plan
Four Deep research requests over 30 days for 0.36 USDC, compared with 0.4 USDC separately.
Read original source ↗Private processing
Keryx and the disclosed AI provider process your question; this is not end-to-end encryption.
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.