GitHub Copilot vs Mainframe
Which Agents AI tool is better in 2026?
GitHub Copilot
The world's most adopted AI code assistant — 1M+ developers inside GitHub
Mainframe
Building interfaces for the future where operating systems are built around actions, not apps, powered by AI.
Side-by-side
| GitHub Copilot | Mainframe | |
|---|---|---|
| Tagline | The world's most adopted AI code assistant — 1M+ developers inside GitHub | Building interfaces for the future where operating systems are built around actions, not apps, powered by AI. |
| Founded | 2021 | 2026 |
| HQ | San Francisco, US | — |
| Employees | 1001-5000 | 1-10 |
| Total funding | Undisclosed | Undisclosed |
| Latest round | corporate-backed · Jun 2021 | — |
| Valuation | — | — |
| Cheapest paid plan | Pro · $10/mo | Pricing not disclosed |
| Free plan | ✓ Free | ✗ |
| Free trial | ✗ | ✗ |
| Top tier price | Pro+ · $39/mo | Pricing not disclosed |
| Pricing summary | 3 published plans | Enterprise · Contact sales |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for GitHub Copilot and Mainframe.
| Capability | GitHub Copilot | Mainframe |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of GitHub Copilot
- Higher Neuron score (88 vs 28)
- Offers a free plan
- Lower starting price ($10/mo)
- More mature (2021)
🔵 Strengths of Mainframe
- Newer company (2026)
Which should you choose?
Choose GitHub Copilot if price matters most — it starts at Free · From $10/mo, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Mainframe if you want the most established option — it has raised Undisclosed, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
GitHub Copilot vs Mainframe — which is better?
It depends on your priority. GitHub Copilot is the leaner option; Mainframe has broader feature depth. See the side-by-side table above.
Is GitHub Copilot cheaper than Mainframe?
Yes — GitHub Copilot's cheapest paid plan is Pro · $10/mo, while Mainframe's is Enterprise · Contact sales.
Do GitHub Copilot and Mainframe offer free plans?
GitHub Copilot: Yes, has a free plan. Mainframe: Paid only.
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