A head-to-head comparison of the leading RPC providers for the two dominant smart contract ecosystems.
Alchemy excels at providing a hyper-reliable, feature-rich gateway to the expansive EVM ecosystem, which commands over $100B in Total Value Locked (TVL). Its strength lies in a mature suite of developer tools—like the NFT API, Webhooks, and enhanced transaction tracing—that abstract away blockchain complexity. For example, its eth_getTransactionReceipt enhancements provide deeper gas and event data, crucial for dApps like OpenSea and Aave that require high-fidelity data.
Helius takes a fundamentally different approach by architecting its infrastructure natively for Solana's high-throughput, parallelized environment. This results in a trade-off: while it doesn't serve the multi-chain EVM market, it delivers superior performance for Solana-specific needs like real-time transaction simulation and custom webhook triggers for on-chain programs. Its RPC nodes are optimized for Solana's 3,000+ TPS potential and unique account-based data model.
The key trade-off: If your priority is building on the established, multi-chain EVM landscape with a vast tooling ecosystem, choose Alchemy. If you prioritize maximizing performance and accessing deep, native tooling for the high-speed Solana blockchain, choose Helius. Your choice is less about a generic 'best' provider and more about committing to an underlying architectural paradigm.
A data-driven comparison of the leading RPC providers for EVM and Solana ecosystems, highlighting core architectural and operational trade-offs.
Deep EVM Tooling & Standardization: Offers a comprehensive suite beyond RPC, including Webhooks, Notify, Transfers API, and Mempool Streaming. This matters for teams building complex DeFi, NFT, or enterprise applications that require reliable, standardized tooling across Ethereum, Polygon, Arbitrum, and other EVM chains.
Battle-Tested Infrastructure: Processes over $500B+ in annualized on-chain transaction volume. This matters for mission-critical applications where proven reliability, extensive documentation, and enterprise-grade SLAs are non-negotiable, minimizing operational risk.
Optimized for Solana's Architecture: Provides enhanced APIs like the WebSocket for real-time transaction updates and DRiP for NFT compression, which are critical for high-frequency trading bots, real-time dashboards, and NFT platforms needing sub-second latency on Solana.
Limited Solana Support: While expanding, its Solana offering lacks the deep, chain-specific optimizations of a native provider. This matters if your primary stack is Solana and you require the highest performance and most advanced features like Geyser or custom RPC methods.
EVM Coverage is Secondary: Focus and innovation are overwhelmingly on Solana. For teams with a multi-chain strategy spanning Ethereum L2s (Arbitrum, Optimism) or other EVM environments, maintaining a separate RPC provider adds complexity.
Direct comparison of core performance, cost, and ecosystem metrics for leading blockchain RPC providers.
| Metric | Alchemy (EVM Focus) | Helius (Solana Focus) |
|---|---|---|
Primary Blockchain | Ethereum, Polygon, Arbitrum, etc. | Solana |
Max Requests per Second (RPS) | Unmetered (Enterprise) | Unmetered (Enterprise) |
Enhanced APIs | ||
Avg. Request Latency (P95) | < 100 ms | < 50 ms |
WebSocket Auto-Reconnect | ||
Real-Time Event Streaming | ||
Free Tier Daily Requests | 300M Compute Units | 25M RPC Calls |
Enterprise SLA Uptime | 99.9% | 99.9% |
Direct comparison of key metrics and features for blockchain infrastructure providers.
| Metric | Alchemy (EVM Focus) | Helius (Solana Focus) |
|---|---|---|
Primary Chain Support | Ethereum, Polygon, Arbitrum, Base, etc. | Solana |
Avg. Request Latency (p95) | < 100 ms | < 50 ms |
Historical Data Access | Full archive nodes | Full archive nodes |
Enhanced APIs | Webhooks, Mempool, Transfers | Webhooks, DAS API, Priority Fees |
Free Tier Requests/Day | 300M compute units | 25M requests |
Enterprise SLA Uptime | 99.9% | 99.9% |
Key strengths and trade-offs for enterprise blockchain infrastructure. Use this to decide between the dominant EVM provider and the leading Solana specialist.
Deep ecosystem integration: Supports 20+ EVM chains (Ethereum, Polygon, Arbitrum, Base) with a unified API. This matters for teams building multi-chain dApps or requiring proven stability for high-value DeFi protocols like Aave and OpenSea.
Superior developer tooling: Offers advanced APIs like alchemy_getAssetTransfers and alchemy_getTokenBalances that abstract complex blockchain data logic, significantly reducing backend development time.
Institutional-grade infrastructure: Offers dedicated nodes, enhanced APIs, and a 99.9% uptime SLA backed by a $10.5B valuation. This is critical for applications processing billions in TVL where downtime equals direct financial loss.
Comprehensive observability: Provides detailed dashboards for request analytics, error rates, and webhook management, giving engineering teams full visibility into their RPC performance and costs.
Optimized for Solana's architecture: Built from the ground up for high-throughput, parallel execution. Offers enhanced methods like getAsset and getPriorityFeeEstimate that are essential for building performant NFT marketplaces (e.g., Tensor) or high-frequency trading bots on Solana.
Superior data access: Provides direct, WebSocket-based access to Solana's Geyser plugin for real-time account updates, which is often faster and more reliable than standard RPC methods for tracking wallet states.
Transparent, usage-based pricing: Often 30-50% cheaper than competitors for equivalent Solana throughput, with clear per-request costs. This matters for scaling consumer dApps with unpredictable traffic, like gaming or social platforms.
Specialized tool suite: Bundles RPC with Solana-specific tools like webhooks for on-chain events, a enhanced devnet with faucets, and the helius-rpc client for optimized querying, reducing the need for multiple vendor contracts.
Higher cost for scale: Premium APIs and dedicated nodes command a significant premium. Teams requiring high request volumes (>100M/month) can see costs escalate quickly compared to raw node operation or niche providers.
Solana as a second-class citizen: While Alchemy supports Solana, its tooling and optimization are not native. For advanced Solana features (e.g., Versioned Transactions, state compression), you may still need Helius or other Solana-native tools.
Single-chain focus: Excellence on Solana comes at the expense of multi-chain support. If your roadmap includes Ethereum L2s (Optimism, zkSync) or other non-Solana ecosystems, you must manage a second RPC provider, increasing complexity.
Younger platform risks: As a newer company, enterprise support structures, long-term SLAs, and battle-tested reliability at the scale of Alchemy's Ethereum infrastructure are still being proven, which may concern risk-averse institutions.
Key strengths and trade-offs for EVM and Solana RPC providers at a glance.
Native Solana expertise: Built from the ground up for Solana's unique architecture (Sealevel runtime, POH). This matters for protocols like Jupiter, Tensor, or Drift that require deep understanding of account-based state and parallel execution.
Solana-specific tooling: Offers proprietary APIs like the Webhook-enhanced WebSocket for real-time NFT sales and the Mempool Streaming API for pre-execution transaction visibility. This is critical for MEV strategies and high-frequency trading applications on Solana.
Multi-chain dominance: Supports Ethereum, Arbitrum, Optimism, Polygon, and Base with a unified API. This matters for teams like OpenSea or Uniswap that deploy across multiple EVM chains and need consistent tooling (Alchemy SDK, Notify) and monitoring (Alchemy Monitor).
Battle-tested infrastructure: Processes over $1T+ in annualized on-chain transaction value with >99.9% reliability. Offers advanced features like Transaction Simulator and Debug APIs. This is non-negotiable for large-scale DeFi protocols (Aave, Compound) requiring maximum uptime and debugging depth.
Verdict: The default for EVM-based DeFi.
Strengths: Unmatched ecosystem integration with protocols like Aave, Uniswap, and Compound. Superior tooling for complex transaction simulation and debugging (e.g., debug_traceTransaction). High reliability for high-value, multi-step DeFi operations. Leading TVL ecosystems (Ethereum, Arbitrum, Base) are natively supported.
Considerations: Higher per-request costs can add up for high-frequency trading bots.
Verdict: The premier choice for Solana's high-speed DeFi.
Strengths: Optimized for Solana's sub-second block times and low fees. Essential for interacting with protocols like Jupiter, Raydium, and Drift. Enhanced APIs like the WebSocket for real-time transaction confirmation and getPriorityFeeEstimate for managing congestion. Cost-effective for massive request volumes from trading algorithms.
Considerations: Limited to the Solana ecosystem.
Choosing between Alchemy and Helius is a foundational decision that hinges on your protocol's core blockchain and architectural priorities.
Alchemy excels at providing a robust, feature-rich gateway to the expansive EVM ecosystem because of its deep integrations and proven reliability. For example, its Supernode infrastructure supports over 97% uptime and powers major protocols like OpenSea and Aave, offering critical tools like the Mempool Streamer, Debug APIs, and NFT APIs that are essential for complex dApp development on Ethereum, Polygon, and Arbitrum.
Helius takes a fundamentally different approach by specializing exclusively in high-performance Solana RPCs and data services. This results in a trade-off: you sacrifice multi-chain versatility for unparalleled speed and low-latency access to Solana's unique architecture. Helius's enhanced APIs, like the WebSocket and Geyser plugins, are optimized for Solana's 3,000+ TPS and sub-second finality, providing a critical edge for high-frequency trading apps and real-time gaming on Solana.
The key trade-off: If your priority is building on the established EVM ecosystem with its massive $50B+ DeFi TVL and need enterprise-grade reliability and tooling, choose Alchemy. If you prioritize maximizing performance and developer experience for a Solana-native application that demands ultra-low latency and direct access to Solana's unique data structures, choose Helius. Your chain choice dictates your provider.
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