FluidStack vs Mailjet Comparison
Detailed comparison of features, pricing, and capabilities
Last updated May 1, 2026
Overview
Compare key metrics and features at a glance
FluidStack
https://www.fluidstack.io
FluidStack is a cloud GPU infrastructure provider that aggregates underutilized GPU capacity from data centers worldwide to offer on-demand and reserved GPU compute at competitive prices. The platform enables AI companies, researchers, and developers to access large-scale GPU clusters for training and inference workloads, including support for high-performance interconnects like InfiniBand. FluidStack differentiates itself by sourcing capacity from a distributed network of partner data centers, providing cost-effective alternatives to hyperscale cloud providers for AI/ML workloads.
Mailjet
https://www.mailjet.com
Mailjet is a cloud-based email delivery and tracking platform that enables businesses to send marketing and transactional emails. The service provides features for email automation, template design, A/B testing, and advanced analytics for monitoring email performance. As part of Sinch, Mailjet offers comprehensive APIs and SMTP relay services for developers while maintaining user-friendly email marketing tools for marketers.
Quick Comparison
| Detail | FluidStack | Mailjet |
|---|---|---|
| Category | AI Cloud Infrastructure | Email Marketing |
| Starting Price | Contact Sales | Free |
| Plans Available | 1 | 4 |
| Features Tracked | 16 | 17 |
| Founded | 2019 | 2010 |
| Headquarters | London, United Kingdom | Paris, France |
Features
Detailed feature-by-feature comparison
Feature Comparison
| Feature | | |
|---|---|---|
| api | ||
| APIs & SMTP Relay | ||
| Webhooks | ||
| compliance | ||
| GDPR Compliance | ||
| core | ||
| A/B Testing | ||
| AI Email Generator | ||
| Advanced Segmentation | ||
| Contact Management | ||
| Dedicated GPU Clusters | ||
| Email Automation | ||
| Email Editor | ||
| Email Tracking & Analytics | ||
| Form Builder | ||
| Fully Managed Clusters | ||
| H100/H200/B200/GB200 Support | ||
| Inbox Preview | ||
| InfiniBand Interconnects | ||
| Kubernetes Support | ||
| Landing Pages | ||
| Low-Latency Inference | ||
| Personalization | ||
| Rapid Deployment | ||
| Real-time Collaboration | ||
| Slurm Support | ||
| Transparent Pricing | ||
| custom | ||
| Custom Data Centers | ||
| integration | ||
| Distributed Data Access | ||
| security | ||
| Role Management | ||
| SPF/DKIM Authentication | ||
| Secure Access Controls | ||
| Single-Tenant Isolation | ||
| support | ||
| 15-Minute Response SLA | ||
| 99% Uptime SLA | ||
| Proactive Monitoring | ||
Pricing
Compare pricing plans and value for money
FluidStack
Contact Sales
Best For
AI companies and researchers needing rapid, cost-effective, fully managed large-scale dedicated GPU clusters for training without hyperscaler lock-in.
Mailjet
From $0/mo
Price Components
- emails: $0/email (6000 included)
- base_subscription: $17/month (15000 included)
- email_previews: $0/preview (500 included)
- email_validations: $0/validation (500 included)
- base_subscription: $27/month (15000 included)
Best For
Small to mid-sized teams and developers needing affordable email automation, robust APIs, and real-time collaboration for targeted marketing campaigns.
Integrations
See which third-party services are supported
Supported Integrations
Coming Soon
Integration comparison data for FluidStack, Mailjet is being collected and will be available soon.
Strengths & Limitations
Key strengths and limitations of each service
FluidStack
AI companies and researchers needing rapid, cost-effective, fully managed large-scale dedicated GPU clusters for training without hyperscaler lock-in.
- Rapid deployment of multi-thousand GPU clusters in as little as 48 hours with zero-setup management.
- Single-tenant isolation at hardware, network, and storage levels eliminates noisy neighbors unlike hyperscalers.
- Supports latest NVIDIA H100/H200/B200/GB200 GPUs with InfiniBand and 99% uptime SLA.
- 24/7 engineering support via Slack with 15-minute response times and proactive monitoring.
- Enterprise-only pricing requires contacting sales, lacking transparent pay-as-you-go rates.
- Small team of 11-50 employees and seed funding may limit scalability versus larger competitors.
- Aggregated capacity from partner data centers could introduce variability in global availability.
Mailjet
Small to mid-sized teams and developers needing affordable email automation, robust APIs, and real-time collaboration for targeted marketing campaigns.
- Offers real-time collaboration in Passport editor for multiple users to edit campaigns simultaneously with version control.
- Supports A/B testing of up to ten email versions on subject lines, content, and design to boost performance.
- Provides forever free plan with core features and low Essential tier at $17/month for 15,000 emails without daily limits.
- Includes open-source MCP Server for conversational AI queries on campaign analytics like open rates by country.
- Free plan includes daily sending limits and Mailjet branding on emails.
- Lacks dominance compared to market leaders like Mailchimp and Klaviyo in overall share.
Company Info
Company details and background
FluidStack
Mailjet
Comparison FAQ
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