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.
19%
React draws the most agent work
Share of classified sampled volume across 20 frameworks
76%
Devin leads Spring
The strongest single-agent concentration
6.9%
Of sampled PRs matched a framework
The rest of the sample has no framework signal
Framework Tilt
Window: 2026-08-24 to 2026-09-13.
| React | 27% | 21% | 15% | 18% | 9% | 10% | 19% |
| Next.js | 21% | 25% | 8% | 14% | 15% | 16% | 16% |
| Flutter | 14% | 16% | 10% | 18% | 11% | 31% | 12% |
| FastAPI | 13% | 11% | 4% | 5% | 2% | 66% | 8% |
| .NET | 8% | 13% | 49% | 8% | 11% | 11% | 8% |
| Astro | 15% | 14% | 20% | 23% | 4% | 25% | 7% |
| React Native | 19% | 36% | 10% | 23% | 2% | 12% | 4% |
| Electron | 10% | 18% | 20% | 13% | 35% | 4% | 4% |
| Vue | 18% | 11% | 13% | 15% | 14% | 30% | 3% |
| Angular | 12% | 9% | 22% | 4% | 51% | 2% | 3% |
| Spring | 6% | 6% | 9% | 2% | 76% | 2% | 3% |
| SwiftUI | 23% | 35% | 7% | 31% | 1% | 3% | 2% |
| Svelte | 19% | 18% | 18% | 3% | 4% | 38% | 1% |
| Express/Nest | 26% | 10% | 15% | 19% | 1% | 29% | 1% |
| Tauri | 33% | 25% | 10% | 31% | 2% | 0% | 1% |
| Laravel | 33% | 22% | 18% | 18% | 4% | 5% | 1% |
| Rails | 24% | 12% | 4% | 28% | 32% | 0% | 1% |
| Django | 13% | 13% | 20% | 40% | 13% | 0% | 1% |
| Flask | 17% | 5% | 14% | 21% | 0% | 43% | 1% |
| Jetpack Compose | 27% | 12% | 18% | 12% | 3% | 27% | 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
2026-09-14 vs 2026-09-07Tilt Over Time
Window: 2026-06-11 to 2026-09-14.
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.