OpenRelay vs Spheron: Pricing, Specs, Strengths & Weaknesses

Side-by-side comparison of GPU compute pricing, regions, billing models, and strengths for OpenRelay and Spheron. Rates sourced from public APIs — verify current availability and billing terms before purchasing.

Overview

Attribute

OpenRelay

Spheron

Provider type

Specialist

Marketplace

Founded

2022

Headquarters

United States

Billing model

On-demand

On-demand (per-minute), Spot, Reserved

Min commitment

None

20-minute minimum runtime

Support tier

Community → Standard

Regions

1 regions

3 regions

Strengths & Best For

OpenRelay

OpenRelay offers on-demand cloud GPU instances and an OpenAI-compatible inference API, billed hourly with no commitment, quota, or reservation required.

Strengths

Best For

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Spheron

Spheron is a GPU marketplace sourcing from certified data center partners globally. GPU catalog: B300 Blackwell, B200 Blackwell, H200, H100, MI300X, GH200, A100, RTX PRO 6000, RTX 5090, L40S, RTX 4090 — on-demand and spot. GB200 and GB300 available to reserve. NVIDIA R100 Rubin (288 GB HBM4) pre-order. Per-minute billing, 20-minute minimum. Accepts USDT/USDC.

Strengths

B300, H100, RTX 4090 — competitive live pricing
Spot pricing available on H200, H100, A100
MI300X — AMD high-VRAM option
NVIDIA R100 Rubin pre-order available
Per-minute billing, 20-minute minimum, no contracts
Accepts USDT and USDC crypto payments

Weaknesses

Marketplace model — hardware consistency varies by partner
20-minute minimum runtime (not per-second)
No enterprise SLAs

Best For

Cost-sensitive AI workloads needing multi-provider flexibilityTeams wanting vetted marketplace GPU accessSpot-tolerant batch training and inferenceCrypto-native teams

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Spheron Rating

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