FrameworksPreviewThis index is in active development: we are still adding agents, refining attribution signatures, and verifying data against sources. The date in the header is when key figures were last re-checked. Numbers can move as coverage improves.
Where each agent's work concentrates across the major frameworks.
18%
Next.js draws the most agent work
Share of classified sampled volume across 21 frameworks
75%
Devin leads Spring
The strongest single-agent concentration
6.8%
Of sampled PRs matched a framework
The rest of the sample has no framework signal
Framework Tilt
Window: 2026-09-21 to 2026-10-11.
| Next.js | 20% | 18% | 8% | 17% | 18% | 18% | 18% |
| React | 29% | 19% | 17% | 13% | 9% | 6% | 15% |
| Flutter | 13% | 14% | 11% | 17% | 12% | 31% | 13% |
| FastAPI | 12% | 7% | 5% | 5% | 17% | 52% | 8% |
| Spring | 5% | 2% | 15% | 2% | 75% | 1% | 7% |
| Astro | 23% | 14% | 19% | 19% | 3% | 22% | 6% |
| .NET | 13% | 24% | 30% | 7% | 16% | 10% | 6% |
| React Native | 23% | 13% | 8% | 38% | 7% | 11% | 4% |
| Electron | 26% | 15% | 34% | 12% | 6% | 3% | 3% |
| Vue | 22% | 18% | 23% | 14% | 6% | 17% | 3% |
| SwiftUI | 34% | 29% | 3% | 10% | 10% | 13% | 3% |
| Tauri | 37% | 12% | 2% | 36% | 1% | 0% | 2% |
| Angular | 11% | 13% | 61% | 1% | 12% | 1% | 2% |
| Express/Nest | 31% | 23% | 8% | 19% | 3% | 16% | 1% |
| Svelte | 17% | 21% | 21% | 11% | 21% | 10% | 1% |
| Laravel | 21% | 23% | 25% | 26% | 0% | 5% | 1% |
| Flask | 21% | 7% | 9% | 9% | 5% | 48% | 1% |
| Django | 15% | 13% | 28% | 44% | 0% | 0% | 1% |
| Rails | 12% | 2% | 20% | 6% | 59% | 2% | 1% |
| SvelteKit | 39% | 25% | 16% | 9% | 2% | 9% | 1% |
| Jetpack Compose | 25% | 22% | 28% | 17% | 0% | 8% | 1% |
Cells are each agent's share of the framework's sampled agent PRs; Volume is the framework's share of all classified samples. Click a header to sort; hover a cell for the raw count. Equal-size samples per agent, so this is portfolio tilt, not market share.
Movers
2026-10-12 vs 2026-10-05Tilt Over Time
Window: 2026-06-11 to 2026-10-12.
Framework shares are portfolio tilt, not market share: every agent contributes an equal-size sample, so a small agent can lead a framework it focuses on. For market-share-style adoption with a true baseline, see Languages. Method details on the methodology page.