Carbium RPC

Solana RPCs Compared 2026: Carbium, Helius, QuickNode & Triton

A 2026 Solana RPC comparison of Carbium, Helius, QuickNode, and Triton: workload fit, current plan shape, gRPC and streaming paths, migration risk, and capacity planning.

Introduction

Choosing a Solana RPC provider in 2026 is not mainly a question of who has the biggest feature table. It is a question of what your application actually depends on: standard JSON-RPC, high-volume reads and writes, streaming, enriched data, or a broader multi-chain platform.

Helius, QuickNode, and Triton are all serious choices, but they solve different versions of the infrastructure problem. Helius is a Solana-native data platform with products such as DAS, Enhanced APIs, Wallet API, webhooks, LaserStream, Sender, and Shred Delivery. QuickNode is a broad multi-chain infrastructure platform with Streams, Webhooks, marketplace add-ons, and multiple real-time paths. Triton is a premium Solana infrastructure provider spanning RPC, dedicated nodes, streaming, data services, transaction sending, and validator services.

We built Carbium for teams that want a tighter Solana-focused stack around RPC, gRPC, Swap API, and execution workflows. We operate a self-hosted bare-metal model in Switzerland because we think focused infrastructure is a better fit for teams that care about direct Solana access. Test that belief against the workload you actually run.

This comparison is a practical 2026 buying and migration guide. It does not claim that one provider replaces every product surface. Standard JSON-RPC is usually the easy move; provider-specific data, managed streams, and trading products need their own migration decisions

The Feature Breakdown

The table below skips generic marketing claims and focuses on the current decisions that change an architecture: plan shape, throughput, streaming, and migration surface. Prices and product access change, so treat the linked source material as the maintained reference before committing production traffic.

Decision point	Carbium	Helius	QuickNode	Triton
Primary fit	Solana-focused RPC, gRPC, and execution workflows	Solana RPC plus high-level data and trading products	Multi-chain infrastructure with managed products and add-ons	Premium Solana infrastructure across RPC, dedicated nodes, streaming, data, and validator services
Current paid-plan shape	Developer $32, Business $320, Professional $640 per month	Developer $49, Business $499, Professional $999 per month	Build, Accelerate, Scale, Business, and Enterprise platform tiers	Pay-as-you-go model with flexible RPS and connection limits
Streaming path to evaluate	gRPC on Business and Professional	WebSockets, Enhanced WebSockets, and LaserStream	WebSockets, Solana gRPC, and Streams	Streaming and Triton Shred Streaming
Safest migration first step	Move standard JSON-RPC reads and writes, then test production capacity	Keep Helius-specific data products on their own migration track	Keep Streams, marketplace add-ons, and managed products on their own migration track	Map the exact RPC, streaming, index, and dedicated-node surface before moving production traffic

Note: Rate limits and SLAs reflect published information at the time of writing. Uptime figures are rounded long-term availability claims.

Key Differences Explained

1. Performance & Infrastructure

Carbium: We operate a self-hosted bare-metal model in Swiss data centers. That is not a claim that every workload will get the same result. It is our operating choice for teams that want direct, Solana-focused infrastructure. Compare the things that matter in your own environment: endpoint behavior, slot freshness, tail latency, error rates, 429 behavior, and transaction outcomes.
Helius: Helius is a Solana-native platform with a broad data and trading surface. It is a strong fit when enriched data, DAS, Wallet API, Enhanced APIs, LaserStream, Sender, Shred Delivery, or its other provider-specific products already matter to your architecture.
QuickNode: QuickNode is a broader multi-chain platform. It is a sensible fit when one provider account needs to cover several chains, or when Streams, Webhooks, marketplace add-ons, and managed platform products are part of the buying decision.
Triton: Triton is a serious Solana-native infrastructure comparison point, particularly for teams evaluating premium RPC, dedicated nodes, streaming, data services, transaction sending, and validator operations together. Its published model emphasizes flexible capacity rather than a simple fixed-tier comparison. If your workload is latency-sensitive or stream-heavy, compare the real endpoint, connection, filtering, support, and commercial model you will run.

2. The Unified Stack Advantage

The fragmented part of the Solana stack is not just RPC. Real applications can also depend on transaction enrichment, wallet data, streaming, routing, execution, webhooks, and operational tooling.

Carbium connects RPC, gRPC, and a nearby Swap API path for teams building Solana execution-heavy products. We think that tighter focus is useful when your system is mostly Solana. It is not a reason to pretend every competitor product has a one-click replacement.

If your application depends on Helius-specific enrichment, QuickNode-managed platform products, or Triton dedicated-node, streaming, and data services, move in layers. Standard Solana JSON-RPC can often move first. Treat data products, managed streams, dedicated capacity, and marketplace add-ons as explicit architecture work rather than an endpoint swap.

3. Pricing Models & Streaming Economics

For serious Solana infrastructure, the monthly sticker price is only part of the decision. The real question is how your provider charges once your application depends on real-time data, streaming connections, and sustained production traffic.

Carbium keeps gRPC inside the core RPC capacity model. gRPC access begins on the Business tier and continues on Professional, so teams can choose a production tier with defined capacity instead of treating streaming as a separate pay-per-GB product decision. We think that is the cleaner model for teams building bots, wallets, routing systems, and transaction-heavy services: pick the infrastructure tier you need, validate it properly, and build around it

Helius has a broad Solana data platform, and its pricing needs to be evaluated alongside the specific data and streaming products your application uses. That can be the right trade-off when your architecture genuinely depends on Helius-specific APIs, enrichment, or data delivery products.

QuickNode offers a broad platform model across multiple chains. Its Solana gRPC path is included with Scale and Business plans, while Build and Accelerate use the Solana gRPC add-on. Its WebSocket billing also moved to metered-data billing in July 2026. For teams with heavy real-time traffic, that means the streaming path deserves the same commercial scrutiny as the RPC endpoint itself.

Triton takes a different route again, with pay-as-you-go pricing and flexible RPS and connection limits. That can suit uneven or high-performance workloads, but teams should model the real production usage and support requirements before assuming a flexible consumption model will be cheaper.

The point is not that one model wins for every team. It is that streaming is no longer a minor implementation detail. If real-time Solana data is central to your product, understand the economics before the architecture is locked in.

Carbium "Olympic Style" Ring banner featuring DEX, APIs, RPC, DL, Validator and Data

Migration Without Surprises

Move standard JSON-RPC reads and writes first. Validate your endpoint, key handling, client library, retry behavior, and error handling with the plan you intend to run.

Do not blindly migrate Helius DAS, Wallet API, Enhanced APIs, or LaserStream consumers. Do not blindly move QuickNode Streams, marketplace add-ons, or real-time subscribers. Map Triton RPC, dedicated-node, streaming, and indexing dependencies explicitly too. Those are product surfaces, not just URL changes.

For Carbium, test the actual production path: request shape, capacity, 429 backoff, transaction-send handling, and where relevant, gRPC access. If the workload is bursty, use queues, caching, exponential backoff, and jitter rather than panic retries.

Verdict: Which One is Right for You?

Choose Carbium if:

You are primarily moving standard Solana JSON-RPC traffic, want a Solana-focused path into gRPC and execution workflows, low and reliable latency, and at last value predictable published capacity limits. Start with the documented endpoint, test the workload you actually run, and choose the tier that matches both monthly credits and burst RPS. Start now for free at:

Choose Helius if:

Your production architecture depends on Helius-specific Solana data or trading surfaces: DAS, Enhanced APIs, Wallet API, webhooks, LaserStream, Sender, Shred Delivery, or related enrichment tooling. Keep those dependencies explicit when you compare a migration.

Choose QuickNode if:

You need one provider account across several chains, or your decision is driven by managed Streams, Webhooks, marketplace add-ons, and broad platform tooling. Solana RPC is one part of a larger infrastructure purchase.

Choose Triton if:

You are evaluating premium Solana infrastructure for a performance-sensitive workload and want to compare RPC, dedicated nodes, streaming, data services, transaction sending, and validator operations together. Treat it as a serious architecture and commercial evaluation, not merely another endpoint to paste into an SDK.