QwenReactBench
Model builds bilingual React projects in Claude Code across 7 categories. Rendered outputs judged by a multimodal model, ranked with Bradley-Terry Elo.
Lab-created in-house eval (Alibaba Qwen).
- Made by
- Alibaba Qwen
- Kind
- Web and app front ends
- Level
- Expert
- Scored
- Graded by a model
- Answers
- Open-ended
- Tasks
- Kept private
- Strongest model tested
- Claude Fable 5 #11 on the capability index
- Last in a launch post
- August 2026
- Last model added
- August 2026
- Scores refreshed
- November 12th, 2026
Claude Fable 5 leads with 1,770 among models released by August 2026
Best score per model from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best.
The newest model with a score here came out in August 2026, and nobody has tested a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:
- Claude Fable 5.2
-
Gemini 4 Carbon - GPT-6 Astra
- Claude Opus 5.5
- and 14 more
Bars start at 1,500.
- 1 Claude Fable 5 1,770
- 2
Qwen 3.8 Max 1,724 - 3 Claude Opus 4.8 1,694
- 4 GPT-5.6 Sol max 1,564
- 5 Qwen3.7-Max 1,538
Source: Official QwenReactBench leaderboard
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | Claude Fable 5 | 1,770 | Jun 2026 | Official leaderboard | |
| 2 | Qwen 3.8 Max | 1,724 | Aug 2026 | Official leaderboard | |
| 3 | Claude Opus 4.8 | 1,694 | May 2026 | Official leaderboard | |
| 4 | GPT-5.6 Sol | 1,564 | max | Jul 2026 | Official leaderboard |
| 5 | Qwen3.7-Max | 1,538 | May 2026 | Official leaderboard |
Labs report scores for 1 model in their cards. We plot every source in the charts below.
3 models have held number one on the official leaderboard since 2023
Lab claims count from the day the card came out, independent runs from the model’s release.
Source: Official QwenReactBench leaderboard
Scores over time
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Sources: Official QwenReactBench leaderboard and labs’ model cards
One lab put it in a launch post in the last six months
Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.
| Date | Launch post | Score | As the post writes it |
|---|---|---|---|
| Aug 3, 2026 | Qwen 3.8 Max | 1724 | QwenReactBench |
One lab claim next to the leaderboard
Each score a lab reported for its own model, beside the same model's best score on the leaderboard. Gaps mostly come from different harnesses, effort levels and task subsets. Every benchmark.
| Model | Lab says | Board says | Gap |
|---|---|---|---|
| Qwen 3.8 Max | 1,724 QwenReactBench | 1,724 Leaderboard | Same |
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