Bullet vs Fermi

Overview

Bullet Bullet, formerly known as Zeta Markets, is Solana's first real-time Layer 2 network extension built specifically for trading. Its headline claim is performance: 2ms execution latency, which it states... Fermi Fermi (Fermi Labs) is a Solana-based decentralized exchange built around a fully on-chain central limit order book (CLOB) rather than the constant-product AMM model most Solana DEXs use. Its flagship...

Community Ratings

Both Bullet and Fermi 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

Bullet uses a freemium model, while Fermi is free. Fermi has the edge for budget-conscious users, though Bullet's paid tier may offer features worth paying for.

Key Features

Bullet offers 5 features including Real-time Layer 2 network extension on Solana for trading, 2ms execution latency, stated 200x faster than standard Solana DEXs, Native Rust execution with a FIFO order matching engine, and 2 more. Fermi counters with 4 features including Fully on-chain central limit order book (CLOB) with price-time priority, Decentralized limit order book that separates collateral custody from order placement, Continuum modular sequencing layer for fair transaction ordering and MEV mitigation, and 1 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. Bullet currently has a healthy health status with 100.0% uptime over the last 30 days. Fermi is rated healthy with 100.0% uptime. For any tool you trust with your funds, trades, or yield, uptime and speed are non-negotiable.

Strengths

Bullet's key strengths include very low stated 2ms execution latency for fast trading, consolidates spot, perps, and margin into a single venue, on-chain settlement with a centralized-exchange-like experience. Fermi stands out for order-book model gives tighter spreads and more predictable fills than amms for active traders, non-custodial design keeps collateral under the trader's control, fair-ordering sequencer reduces front-running exposure.