Frontend and backend picks, ranked by real benchmark data — not vibes.
Live data · updated 2026-09-15 18:18 · sources: LMArena + OpenRouter
Frontend: glm-5.3 (max) (webdev leader). Backend: claude-fable-5 (arena #1). Value tier: glm-5.3-flash.
| Model | Evidence (live) | Output $/1M | |
|---|---|---|---|
| 🥇 | glm-5.3 (max) | #15 on LMArena webdev modality | — |
| 🥈 | claude-opus-4-6-thinking | #31 on LMArena webdev modality | — |
| 🥉 | claude-opus-4-6 | #31 on LMArena webdev modality · #4 overall | $25 |
| Model | Evidence (live) | Output $/1M | |
|---|---|---|---|
| 🥇 | claude-fable-5 | #1 overall (1506) · Anthropic | $50 |
| 🥈 | claude-opus-5-high | #1 overall (1516) · Anthropic | $25 |
| 🥉 | gpt-5.6-sol-xhigh | #1 overall (1257) · OpenAI | $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.