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Thirdweb vs Alchemy

Thirdweb and Alchemy both land on Depends.

Alchemy

alchemy.com

Depends
Confidence: Medium

Buy if your team is shipping or scaling an onchain app and wants managed RPC plus data APIs across many chains.

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Thirdweb versus Alchemy
CompareThirdwebAlchemy
VerdictDependsDepends
Best forWeb3 startups shipping token or NFT productsWeb3 dev teams
Who it's not forAny product without a blockchain componentNon-crypto projects . irrelevant tooling
PrivacyThree disclosed incidents since 2023 . a library flaw, an MCP advisory, and a bridge exploit . plus an active $50K bug bounty.⁵No known public vulnerabilities found in the sources reviewed.13
Support qualityNo support evidence foundNo support evidence in sources
Public sentimentReddit threads and reviews skew positive on breadth and beginner-friendliness, but review volume is too small to be conclusive.⁸Independent user feedback is thin . a 4.4/5 G2 seller rating across 14 reviews and scattered positive mentions, far fewer reviews than typical infrastructure tools.14
Biggest gotchaSep 2025 advisory flagged unauthorized transactions via thirdweb MCP . restrict agent wallet permissions⁶Usage-based compute pricing spikes fast; competitors claim 60% savings at scale

Pick Thirdweb when

  • Web3 startups shipping token or NFT products
  • Games adding onchain items
  • Teams needing embedded in-app wallets
  • Builders wiring wallets into AI agents

When Thirdweb is not a fit

  • Any product without a blockchain component
  • Hobbyists just learning Solidity . use raw libraries
  • Risk-averse teams handling custody at scale
  • Teams wanting stable, predictable pricing

Pick Alchemy when

  • Web3 dev teams
  • Dapps on multiple chains
  • NFT and data-heavy apps
  • Startups scaling onchain products

When Alchemy is not a fit

  • Non-crypto projects . irrelevant tooling
  • Hobbyists making one cheap RPC call
  • Teams without developers to wire up APIs
  • Cost-sensitive shops already happy on cheaper node providers

Sources

  1. thirdweb.com . Infrastructure for AI Agentsthirdweb.com
    official
  2. thirdweb Pricingthirdweb.com
    official
  3. Retiring Legacy Pricing Plans on January 1st, 2026blog.thirdweb.com
    official
  4. Smart Contract Incident Report: Legacy Bridge Vulnerabilityblog.thirdweb.com
    security
  5. Multiple NFT collections at risk by flaw in open-source library (BleepingComputer)bleepingcomputer.com
    security
  6. Unauthorized Crypto Transactions Enabled by thirdweb MCP (mcpsec)mcpsec.dev
    security
  7. Thirdweb raises $24M at a $160M valuation (TechCrunch)techcrunch.com
    news
  8. Thirdweb Reviews (G2)g2.com
    review
  9. What do you think about Thirdweb framework (Reddit r/ethdev)reddit.com
    review
  10. Moralis vs thirdweb (RFP.wiki)rfp.wiki
    review
  11. Alchemy . Blockchain infrastructure for developersalchemy.com
    official
  12. Alchemy Pricing: Free, Pay as you Go & Enterprisealchemy.com
    official
  13. Security at Alchemyalchemy.com
    security
  14. alchemy . 14 reviews on G2g2.com
    review
  15. Alchemy Reviews . G2g2.com
    review
  16. Alchemy Rollups Reviews . AWS Marketplaceaws.amazon.com
    review