Backblaze B2 vs SendGrid Comparison

Detailed comparison of features, pricing, and capabilities

Last updated April 4, 2026

Overview

Compare key metrics and features at a glance

Backblaze B2 logo

Backblaze B2

https://www.backblaze.com/b2

Backblaze B2 is a cloud storage service that provides scalable object storage at 1/4th the cost of Amazon S3. The service offers robust APIs, CLI tools, and integrations with various applications, allowing developers and businesses to store and retrieve any amount of data. It features strong durability, native encryption, and lifecycle rules for data management.

Starting PriceFree
Founded2007
Employees51-200
CategoryCloud Storage
SendGrid logo

SendGrid

https://sendgrid.com

SendGrid is a cloud-based email delivery platform that enables businesses to send transactional and marketing emails. The service manages various aspects of email communication including delivery, scaling, and real-time analytics while providing APIs that make custom integration possible. SendGrid was acquired by Twilio in 2019 for $3 billion and continues to be a leading provider of email infrastructure services.

Starting PriceFree
Founded2009
Employees501-1000
CategoryEmail Marketing

Quick Comparison

DetailBackblaze B2SendGrid
CategoryCloud StorageEmail Marketing
Starting PriceFreeFree
Plans Available12
Features Tracked12
Founded20072009
HeadquartersSan Mateo, USADenver, USA

Features

Detailed feature-by-feature comparison

Feature Comparison

Feature
Backblaze B2 logo
Backblaze B2
SendGrid logo
SendGrid
api
Email API
S3-Compatible API
core
Email Analytics

Pricing

Compare pricing plans and value for money

Backblaze B2 logo

Backblaze B2

From $0/mo

B2 Cloud Storage$0/mo

Price Components

  • storage: $0.006/GB
  • download: $0.01/GB

Best For

Developers, businesses, and AI teams seeking affordable, S3-compatible object storage with high performance and low egress costs for scalable data needs.

SendGrid logo

SendGrid

From $0/mo

Free$0/mo
Essentials$19.95/mo

Price Components

  • base_subscription: $0/month (3000 included)
  • base_50k_emails: $19.95/month (50000 included)

Best For

Developers and businesses needing reliable, API-driven transactional email delivery with real-time analytics at scale.

Integrations

See which third-party services are supported

Supported Integrations

Coming Soon

Integration comparison data for Backblaze B2, SendGrid is being collected and will be available soon.

Strengths & Limitations

Key strengths and limitations of each service

Backblaze B2 logo

Backblaze B2

Developers, businesses, and AI teams seeking affordable, S3-compatible object storage with high performance and low egress costs for scalable data needs.

Strengths
  • S3-compatible API enables seamless drop-in replacement for AWS S3 tools and code.
  • Costs 1/5th of Amazon S3 with flat rates, free first 10GB, and generous free egress up to 3x storage.
  • Supports Object Lock for ransomware protection and 10TB file uploads with no total capacity limit.
  • B2 Overdrive delivers 1Tbps throughput for AI/ML/HPC at hyperscaler speeds without egress fees.
Limitations
  • Lacks advanced enterprise features like multi-region replication found in hyperscalers.
  • Smaller company size may raise concerns about long-term scalability for massive enterprises.
  • Limited feature set compared to full-suite platforms, focusing mainly on core storage.
SendGrid logo

SendGrid

Developers and businesses needing reliable, API-driven transactional email delivery with real-time analytics at scale.

Strengths
  • Twilio acquisition enables seamless integration with broader communication APIs for scalable transactional emails.
  • RESTful API and SMTP relay support custom developer integrations beyond drag-and-drop marketing tools.
  • Real-time analytics track delivery, opens, and clicks, ideal for high-volume infrastructure needs.
  • Free plan up to 100 emails/day lowers entry barrier for testing transactional use cases.
Limitations
  • Holds only 0.20% market share, ranking #29, as a transactional specialist vs. full marketing platforms.
  • Lacks built-in campaign builders and templates common in competitors like Mailchimp.

Company Info

Company details and background

Backblaze B2 logo

Backblaze B2

Founded
2007
Headquarters
San Mateo, USA
Employees
51-200
Funding
Bootstrapped
SendGrid logo

SendGrid

Founded
2009
Headquarters
Denver, USA
Employees
501-1000
Funding
Acquired
Parent CompanyTwilio

Comparison FAQ

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