Helius vs OpenZeppelin

Helius3.8/5

VS

OpenZeppelin4.5/5

Feature	HeliusVisit	OpenZeppelinVisit
Ratings
Our score	3.8/5	4.5/5
User rating	No reviews yet	No reviews yet
Reliability	4.5	5.0
Chain coverage	1.5	4.5
Pricing	4.0	4.0
Developer experience	4.5	5.0
Support	4.0	4.0
Specs
Services	RPC / nodes, Data APIs	Developer tooling
Chains supported	1	10
Free tier	Yes	Yes
Pricing from	$49/month	Free for open-source tools
Enterprise SLA	Yes	Yes
Open source	Yes	Yes
Uptime SLA	99.99%	Not disclosed
Free tier limits	1M monthly credits, 10 RPC req/s	Open-source contracts, Relayer, and Monitor under AGPL-3.0 and MIT licenses
Server regions	Frankfurt, Amsterdam, Tokyo, Singapore, Los Angeles, London, Newark, Pittsburgh, Salt Lake City	Not disclosed
Company
Founded	2022	2015
Headquarters	United States	—
Investors	Founders Fund, Haun Ventures, 6th Man Ventures, Chapter One +2	Not disclosed
Strengths and weaknesses
Pros	Free plan includes 1 million monthly credits and 10 requests per second All outbound transactions route over staked validator connections by default SOC 2 compliance verified by Sensiba LLP Global coverage across nine regions including Tokyo, Frankfurt, and Los Angeles	Core contract libraries and tooling are free and open source Used by 9 of the top 10 stablecoins and top 10 tokenized funds Supports EVM networks along with Solana, Stellar, and TRON Holds SOC 2 Type II and CCSS institutional security compliance
Cons	Supports only the Solana blockchain with no EVM or cross-chain coverage LaserStream gRPC data add-ons require the $999 per month Professional plan Proprietary API methods create vendor lock-in when migrating away WaaS charges developers for signatures even when onchain transactions fail	Hosted Defender SaaS shuts down permanently on July 1, 2026 Self-hosting Relayer and Monitor creates internal devops maintenance overhead Custom security audit and Continuous Security advisory fees require institutional quotes
Best for	Solana DeFi protocols and wallets, High-frequency Solana trading desks, Developers seeking staked transaction landing	Smart contract developers deploying standard tokens, Institutions building regulated stablecoins and funds, Teams needing automated, self-hosted transaction relaying

Highlighted cells show the stronger value in each row. Data comes from each provider's site and public sources; check details before you sign up.

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