React
LibraryThe UI library. ReactBench is run by Million. It is an ecosystem eval, not an official React or Meta board.
MIT · react.dev · github.com/facebook/react
Ecosystem eval
ReactBench · Ecosystem eval · 2026-10-19 · v1.2
This is an ecosystem eval, not an official React or Meta eval. Do not call it official, and do not merge it with the Supabase, Next.js, or Convex evals into one number. The data file has no separate run date. The version is v1.2. Configurations without a model on this site are left off this table.
| # | Model | Baseline | Cost per run |
|---|---|---|---|
| 1 | Claude Opus 5.5 max | 54.4 | $5.64 |
| 2 | Claude Opus 5.5 xhigh | 50.8 | $1.62 |
| 3 | Claude Fable 5.1 max | 49.2 | $5.50 |
| 4 | GPT 5.6 Sol max | 46.7 | $3.06 |
| 5 | Claude Fable 5.1 xhigh | 46.2 | $3.74 |
| 6 | Claude Opus 5.5 high | 46.2 | $0.67 |
| 7 | Claude Fable 5 max | 44.6 | $12.76 |
| 8 | Claude Fable 5.1 high | 44.1 | $1.74 |
| 9 | Claude Opus 5.5 medium | 43.6 | $0.49 |
| 10 | Claude Fable 5 xhigh | 43.1 | $9.17 |
| 11 | Claude Opus 5 max | 42.1 | $5.94 |
| 12 | Claude Opus 5 high | 41.5 | $3.68 |
| 13 | GPT 5.6 Sol xhigh | 41.0 | $2.02 |
| 14 | Claude Fable 5 high | 40.5 | $6.80 |
| 15 | GPT 5.6 Terra max | 39.0 | $1.13 |
| 16 | GPT 5.6 Terra high | 37.4 | $0.40 |
| 17 | GPT 5.6 Sol high | 36.9 | $1.58 |
| 18 | GPT 5.6 Terra xhigh | 36.9 | $0.60 |
| 20 | Claude Opus 5 xhigh | 36.4 | $4.93 |
| 22 | Claude Fable 5 low | 35.4 | $3.05 |
Install and use
npm i react react-dom
Why this, and when not
Why The library is maintained by the React team. The eval's ownership is labeled on the page so an ecosystem board is not called official.
Skip it Do not use a ReactBench pass rate to compare React with another framework. It measures models doing React tasks.