← comparisons · head to head
Qwen 3.8 Max vs Claude Fable 5
Of the 6 public leaderboards that rate both, Qwen 3.8 Max scores higher on 1 and Claude Fable 5 on 5. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, Qwen 3.8 Max is at 50.2 and Claude Fable 5 at 81.4 (out of 100).
Scores as published by each board; table composed September 24, 2026.
Get the next launch alert, free →
Leaderboard by leaderboard
| Board | Qwen 3.8 Max | Claude Fable 5 | Higher |
|---|---|---|---|
| LMArena Elo (community votes) | 1,671.2 | 1,626.8 | Qwen 3.8 Max |
| LiveBench global average (0-100) | 78.5 | 83 | Claude Fable 5 |
| SimpleBench AVG@5 % (private set) | 62.5 | 81.9 | Claude Fable 5 |
| LLM Stats LLM Stats Score · composite (0-100), their rendered top 15 | 51.5 | 54 | Claude Fable 5 |
| Vals AI Vals Index accuracy % · weighted finance + coding tasks | 51.8 | 66 | Claude Fable 5 |
| Artificial Analysis intelligence index · measured runs only | 45.4 | 49.6 | Claude Fable 5 |
Raw scores are each board's own scale, so compare within a row, not across rows. Full table: the bench index.
Qwen 3.8 Max at a glance
- Developer
- Alibaba
- Status
- Live since August 1, 2026
Live - flagship since Aug 1 · 2.4T tier listed Aug 12.
Qwen3.8-Max quietly lost its preview label — Alibaba is now serving it as the flagship
2026-08-03 · Alibaba is serving Qwen3.8-Max on chat.qwen.ai under the plain id `qwen3.8-max`. The preview suffix is gone.
Claude Fable 5 at a glance
- Developer
- Anthropic
- Status
- Live since July 1, 2026
Returned Jul 1.
Qwen 3.8 Max vs Claude Fable 5: quick answers
Which is better, Qwen 3.8 Max or Claude Fable 5?
It depends on what you measure. Of the 6 public leaderboards that rate both, Qwen 3.8 Max scores higher on 1 and Claude Fable 5 on 5. Qwen 3.8 Max's widest lead is on LMArena; Claude Fable 5's widest lead is on Vals AI. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, Qwen 3.8 Max is at 50.2 and Claude Fable 5 at 81.4 (out of 100).
Which is newer, Qwen 3.8 Max or Claude Fable 5?
Qwen 3.8 Max. It went live on August 1, 2026, 31 days after Claude Fable 5 (July 1, 2026).
Who makes Qwen 3.8 Max and Claude Fable 5?
Qwen 3.8 Max is from Alibaba; Claude Fable 5 is from Anthropic.
Where do these numbers come from?
Each score is the leaderboard's own published figure, read by ArtificialWatch (table composed September 24, 2026). Boards measure different things, so raw scores are only comparable within a row.
More comparisons
Watch free: Chrome push the moment a new model answers on a public API, an email about 15 minutes later. Also: the bench index · the wire