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Cost, Billing, and Ops

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GPU Cluster Architecture: Compute, Network, Storage, and Control Plane
Cost, Billing, and Ops

GPU Cluster Architecture: Compute, Network, Storage, and Control Plane

A practical GPU cluster architecture guide for compute nodes, network fabric, storage, Kubernetes or Slurm control plane, observability, and acceptance tests.

Oct 13, 2026Flatkey Team
NVIDIA H20 vs H100: Inference, Memory, Availability, and Compliance
Cost, Billing, and Ops

NVIDIA H20 vs H100: Inference, Memory, Availability, and Compliance

A practical H20 vs H100 comparison for enterprise AI teams, covering inference, memory, availability, export-control risk, and when H200 or model APIs are better baselines.

Oct 13, 2026Flatkey Team
Best Cloud GPU Rental Platforms 2026: Price, Capacity, Network, and Support
Cost, Billing, and Ops

Best Cloud GPU Rental Platforms 2026: Price, Capacity, Network, and Support

A practical 2026 shortlist of GPU cloud platforms for AI teams, comparing price posture, capacity, network, support, and when a model API is the better baseline.

Oct 13, 2026Flatkey Team
NVIDIA Blackwell Ultra B300: What Changed from B200?
Cost, Billing, and Ops

NVIDIA Blackwell Ultra B300: What Changed from B200?

A practical NVIDIA B300 Blackwell Ultra tracker for AI infrastructure teams comparing B300 specs, release status, price caveats, and workload fit against B200.

Oct 13, 2026Flatkey Team
AMD MI455X and Helios: Architecture, Memory, and Availability Tracker
Cost, Billing, and Ops

AMD MI455X and Helios: Architecture, Memory, and Availability Tracker

A buyer-focused tracker for AMD MI455X and Helios covering architecture, HBM4 memory, bandwidth, availability, vLLM readiness, provider questions, and model/API fallback strategy.

Oct 13, 2026Flatkey Team
NVIDIA Vera Rubin GPU: GPU, NVL72, Memory, Networking, and Availability Tracker
Cost, Billing, and Ops

NVIDIA Vera Rubin GPU: GPU, NVL72, Memory, Networking, and Availability Tracker

A current tracker for NVIDIA Vera Rubin GPU specs, DGX Vera Rubin NVL72, HBM4 memory, networking, and availability milestones for cloud GPU buyers.

Oct 13, 2026Flatkey Team
OpenAI Image API Pricing: GPT Image 2.5 Rates, Cost Formula, and Budget Controls
Cost, Billing, and Ops

OpenAI Image API Pricing: GPT Image 2.5 Rates, Cost Formula, and Budget Controls

Learn how OpenAI image API pricing works for GPT Image 2.5, including token rates, cached input rules, partial images, Batch, and cost per accepted image.

Oct 13, 2026Flatkey Team
GB200 vs B200: Grace Blackwell Superchip or x86 HGX?
Cost, Billing, and Ops

GB200 vs B200: Grace Blackwell Superchip or x86 HGX?

Compare GB200 vs B200 for AI infrastructure procurement: Grace Blackwell rack-scale NVL72 systems, B200 HGX/x86 nodes, benchmarks, and TCO checks.

Oct 13, 2026Flatkey Team
RoCE vs InfiniBand for GPU Clusters: Latency, Operations, and Cost
Cost, Billing, and Ops

RoCE vs InfiniBand for GPU Clusters: Latency, Operations, and Cost

Compare RoCE and InfiniBand for multi-node GPU clusters with a practical decision matrix, NCCL acceptance test, cost model, and procurement checklist.

Oct 13, 2026Flatkey Team
Serverless GPU vs Dedicated GPU: Cost, Cold Starts, and Control
Cost, Billing, and Ops

Serverless GPU vs Dedicated GPU: Cost, Cold Starts, and Control

Compare serverless GPU vs dedicated GPU by cost per accepted output, cold starts, idle capacity, autoscaling, and operational control.

Oct 13, 2026Flatkey Team
AI Image Generation API Pricing Comparison: GPT Image, Gemini, Imagen, and fal
Cost, Billing, and Ops

AI Image Generation API Pricing Comparison: GPT Image, Gemini, Imagen, and fal

Compare image generation API pricing across GPT Image, Gemini Image, Imagen, and fal routes by normalizing billing units into cost per accepted image.

Oct 13, 2026Flatkey Team
What Are the Hidden Costs of Cloud GPU Services? Storage, Egress, Idle Time, and Support
Cost, Billing, and Ops

What Are the Hidden Costs of Cloud GPU Services? Storage, Egress, Idle Time, and Support

A practical cloud GPU TCO guide for finding storage, egress, idle time, failed-job, support, networking, and operations costs before the invoice arrives.

Oct 13, 2026Flatkey Team
On-Demand vs Spot vs Reserved GPU Pricing: Which Model Fits Your Workload?
Cost, Billing, and Ops

On-Demand vs Spot vs Reserved GPU Pricing: Which Model Fits Your Workload?

A workload-driven framework for choosing on-demand, spot, or reserved GPU capacity without confusing the listed hourly rate with completed workload cost.

Oct 13, 2026Flatkey Team
AI GPU Selection Guide: Match Training and Inference Workloads to the Right GPU
Cost, Billing, and Ops

AI GPU Selection Guide: Match Training and Inference Workloads to the Right GPU

A practical AI GPU selection guide for teams matching training, fine-tuning, LLM inference, media generation, and evaluation workloads to the right GPU and capacity model.

Oct 12, 2026Flatkey Team
Private GPU Cloud: Architecture, Isolation, and Operating Model
Cost, Billing, and Ops

Private GPU Cloud: Architecture, Isolation, and Operating Model

Learn how to evaluate private GPU cloud architecture, isolation, scheduler ownership, security evidence, operating model, TCO, and acceptance tests.

Oct 12, 2026Flatkey Team
vLLM Deployment Guide: Serve an OpenAI-Compatible LLM API on GPUs
Cost, Billing, and Ops

vLLM Deployment Guide: Serve an OpenAI-Compatible LLM API on GPUs

Deploy vLLM as an OpenAI-compatible API on GPUs with Docker, RunPod Serverless, Ray Serve, metrics, rollout controls, and cost-per-accepted-output checks.

Oct 12, 2026Flatkey Team
GPU Cloud vs Model API: When Self-Hosting Actually Saves Money
Cost, Billing, and Ops

GPU Cloud vs Model API: When Self-Hosting Actually Saves Money

Compare GPU cloud vs model API economics with a break-even worksheet for accepted output cost, utilization, retries, idle capacity, and serving operations.

Oct 12, 2026Flatkey Team
GPU Cluster TCO: Cloud Rental vs Colocation vs On-Premises
Cost, Billing, and Ops

GPU Cluster TCO: Cloud Rental vs Colocation vs On-Premises

Compare GPU cluster TCO across cloud rental, colocation, and on-premises with a practical FinOps worksheet for AI infrastructure buyers.

Oct 12, 2026Flatkey Team

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