ARC (rig) vs Sphere
Last updated: April 9, 2026
 | ||
|---|---|---|
| Rating | (0) | (0) |
| Pricing | Free | Freemium |
| Health | Healthy | Healthy |
| Chain | solana only | solana only |
| Open Source | ||
| Features | 6 features | 8 features |
| Upvotes | ▲ 0 | ▲ 1 |
| Twitter Followers | 214,592 | 26,882 |
| Categories | AI Agents | Payment Tools |
| Description | Rust-native AI agent framework for Solana | Next-generation payments infrastructure for the internet |
Pros & Cons
ARC (rig)
- Rust performance and safety guarantees
- Low-level control over agent behavior
- Excellent for production Solana agents
- Growing ecosystem of plugins
- Rust expertise required
- Smaller community than JS/TS alternatives
- Steeper learning curve
Sphere
- Developer-first API design enables deep integration into any application
- Compliance features make it suitable for regulated business use cases
- Automatic stablecoin conversion protects merchants from crypto volatility
- Professional documentation and support for enterprise clients
- Growing feature set with cross-chain payment capabilities
ARC (rig) vs Sphere: Which Should You Choose?
Overview
ARC (rig) ARC, built on the rig framework, is a Rust-native AI agent library optimized for performance and safety. It provides low-level building blocks for constructing AI agents that interact with Solana prog... Sphere Sphere is a next-generation crypto payments infrastructure platform built on Solana, providing APIs and tools for businesses to accept and process cryptocurrency payments at scale. It targets enterpri...
Community Ratings
Both ARC (rig) and Sphere hold similar community ratings, suggesting users find comparable value in each. Your choice should come down to specific features, pricing, and ecosystem fit rather than overall score.
Pricing & Value
ARC (rig) uses a free model, while Sphere is freemium — Free to start. Transaction-based pricing. Enterprise plans available.. ARC (rig) has the edge for users who want a no-cost solution, though Sphere's paid features may justify the investment for power users.
Key Features
ARC (rig) offers 6 features including Rust-native agent framework, Type-safe agent construction, High-performance async runtime, and 3 more. Sphere counters with 8 features including Comprehensive REST APIs for programmatic payment processing, Hosted checkout pages for no-code payment acceptance, Subscription and recurring billing management, and 5 more. The right choice depends on which specific features matter for your use case — check the individual review pages for full breakdowns.
Reliability & Health
We monitor both tools around the clock for uptime, SSL validity, and response times. ARC (rig) currently has a healthy health status with 100.0% uptime over the last 30 days. Sphere is rated healthy with 100.0% uptime. For tools you rely on daily — especially trading bots or wallets — uptime and speed are non-negotiable.
Strengths
ARC (rig)'s key strengths include rust performance and safety guarantees, low-level control over agent behavior, excellent for production solana agents. Sphere stands out for developer-first api design enables deep integration into any application, compliance features make it suitable for regulated business use cases, automatic stablecoin conversion protects merchants from crypto volatility. On the flip side, ARC (rig)'s weaknesses include rust expertise required, while Sphere's main drawback is more complex setup compared to simpler payment link tools like helio.
The Verdict
While ARC (rig) (AI Agents) and Sphere (Payment Tools) serve different primary purposes, users often consider both when building their Solana toolkit. Neither has a clear community advantage, so your decision should be feature-driven. We recommend trying both — ARC (rig) is free to start and Sphere is free to start. Read user reviews on each tool's page for real-world feedback from the Solana community.