Frontend and backend picks, ranked by real benchmark data — not vibes.
Live data · updated 2026-10-30 10:03 · sources: LMArena + OpenRouter
Frontend: Claude Opus 5.5 (Max) (webdev leader). Backend: Gemini 4 Carbon (High) (arena #1). Value tier: GLM-5.3-Flash.
| Model | Evidence (live) | Output $/1M | |
|---|---|---|---|
| 🥇 | Claude Opus 5.5 (Max) | #1 on LMArena webdev modality | — |
| 🥈 | GPT-6 Astra (Max) | #2 on LMArena webdev modality · #37 overall | — |
| 🥉 | Claude Sonnet 5.5 (xHigh) | #3 on LMArena webdev modality · #31 overall | $10 |
| Model | Evidence (live) | Output $/1M | |
|---|---|---|---|
| 🥇 | Gemini 4 Carbon (High) | #1 overall (1528) · Google | $10 |
| 🥈 | Gemini 4 Argon (High) | #2 overall (1520) · Google | $10 |
| 🥉 | Claude Opus 5.5 (High) | #3 overall (1509) · Anthropic | $20 |
Frontend work (components, layout, styling) correlates with LMArena's webdev modality ranking; backend work (architecture, debugging, tool-calling) tracks the overall arena score more closely. We show both, joined with live prices, refreshed daily.