kitio.aiGitHub Copilot vs Mails.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. GitHub Copilot has the lower starting price: about $10 a month, against $20 for Mails.ai.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Code completions
- Copilot Chat
- Cloud coding agent
- Code review
- Copilot CLI
- Inbox per agent through one API call
- TypeScript and Python SDKs
- MCP server
- Injection scan on inbound mail
- Send from your own domain
| Feature | GitHub Copilot | Mails.ai |
|---|---|---|
| Best for | GitHub's AI pair programmer for editors, CLI and pull requests | Email API that gives AI agents their own inboxes |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $10/mo | $20/mo |
| Free plan | Yes | Yes |
| Made by | GitHub (Microsoft) | Mails.ai |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
GitHub Copilot has the lower starting price: about $10 a month, against $20 for Mails.ai.
Free plan
Cheapest paid plan
Top plan
Free trial
6 plans
Free
Free
- Up to 2,000 completions/month
- Limited chat and agent mode
- Copilot CLI
Pro
$10/mo
- Unlimited completions
- Monthly AI credits
- Coding agent and code review
Pro+
$39/mo
- More AI credits
- Access to all models
Max
$100/mo
- For high-volume agent workflows
- Largest AI credit allowance
Business
$19/mo
- Per user
- Policy and license management
- IP indemnity
Enterprise
$39/mo
- Per user
- Enterprise controls
- Higher AI credit allowance
3 plans
Free
Free
- 3,000 emails per month
- 3,000 inbound replies per month
- 1 agent
Pro
$20/mo
- 50K emails per month
- 5 agents
- Send from your own domain
- Signed webhooks
Scale
$99/mo
- 250K emails per month
- Unlimited agents
- Per-agent allowlists and send limits
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
GitHub Copilot
- Works in almost every major editor
- Tight GitHub issue and PR integration
- Cheap entry plan
- Credit metering makes costs less predictable
- Best features need GitHub-hosted code
Mails.ai
- Free tier with no card
- Controls on who an agent can email
- Works with major coding agents
- Free plan allows just 1 agent
- Custom domains need Pro
- Dedicated IP is on request only
Which one should you choose?
Choose GitHub Copilot if you want:
- Works in almost every major editor
- Tight GitHub issue and PR integration
- Cheap entry plan
Watch out: credit metering makes costs less predictable.
Choose Mails.ai if you want:
- Free tier with no card
- Controls on who an agent can email
- Works with major coding agents
Watch out: free plan allows just 1 agent.
GitHub Copilot vs Mails.ai FAQ
What is the difference between GitHub Copilot and Mails.ai?
GitHub Copilot: GitHub's AI pair programmer for editors, CLI and pull requests. Mails.ai: Email API that gives AI agents their own inboxes. Both are coding tools.
Is GitHub Copilot or Mails.ai cheaper?
GitHub Copilot has the lower starting price: about $10 a month, against $20 for Mails.ai.
Do GitHub Copilot and Mails.ai have free plans?
GitHub Copilot: Yes. Mails.ai: Yes.
Who makes GitHub Copilot?
GitHub Copilot is made by GitHub (Microsoft), based in United States.
Who makes Mails.ai?
Mails.ai is made by Mails.ai.
Which should I choose, GitHub Copilot or Mails.ai?
Choose GitHub Copilot if you value works in almost every major editor and tight github issue and pr integration. Choose Mails.ai if you value free tier with no card and controls on who an agent can email.