Claude Fable 5.1
Anthropic
90.6#3 of 427 overall
- Input / output
- US$ 10,00 / US$ 50,00 US$ per 1M tokens
- Context
- 1M tokens
- Release
- 09/01/2026 release date
- Weights
- Closed
- Speed
- 63 tok/s first token in 41.81 s
Family history
The 2 versions of this family, from first to newest, by release date. Click a point to open that version.
See the data as a table
| Model | Released | Score | Rank | AA Intel. | Elo Arena |
|---|---|---|---|---|---|
| Claude Fable 5 | 06/09/2026 | 86.8 | #8 | — | 1492 |
| Claude Fable 5.1 | 09/01/2026 | 90.6 | #3 | 49.7 | 1514 |
Scores by source
Scores by sourcepercentile = % of ranked models it beats| Metric | Value | Percentile | Source |
|---|---|---|---|
| LiveBench weight 3 | 85.7 | 100% | LiveBench |
| AA Intelligence Index weight 3 | 49.7 | 83% | Artificial Analysis |
| Arena text (Elo) weight 2 | 1514 | 99% | LMArena |
| Arena WebDev (Elo) weight 1 | 1746 | 96% | LMArena |
| Arena vision (Elo) weight 0.5 | 1319 | 97% | LMArena |
| Humanity's Last Exam weight 1 | 58.7 | 100% | Artificial Analysis |
| Terminal-Bench weight 1 | 55.1 | 94% | Artificial Analysis |
| GPQA Diamond | 93.4 | 98% | Artificial Analysis |
| Long-context reasoning | 83.0 | 96% | Artificial Analysis |
| LiveBench long agentic | 77.9 | 100% | LiveBench |
| LiveBench reasoning | 91.7 | 87% | LiveBench |
| LiveBench coding | 97.7 | 100% | LiveBench |
| LiveBench browser | 89.8 | 90% | LiveBench |
| LiveBench data analysis | 80.3 | 82% | LiveBench |
| LiveBench research | 82.0 | 74% | LiveBench |
| LiveBench design | 83.4 | 92% | LiveBench |
By category
| Category | Score | Rank | Metrics |
|---|---|---|---|
| Agentic | 81.2 | #2 | LiveBench long agentic, Terminal-Bench |
| Coding | 81.9 | #2 | LiveBench coding, Arena WebDev (Elo) |
| Reasoning | 83.6 | #2 | LiveBench reasoning, Humanity's Last Exam, GPQA Diamond |
| Data analysis | 66.2 | #7 | LiveBench data analysis |
| Research | 73.3 | #16 | LiveBench research, Long-context reasoning |
| Design | 79.2 | #3 | LiveBench design, Arena WebDev (Elo) |
| Browser use | 70.2 | #4 | LiveBench browser |
| Chat | 74.3 | #4 | Arena text (Elo) |
| Vision | 73.5 | #4 | Arena vision (Elo) |
History
RankingIA score on each collection day (hover to see the rank).
Daily collection started on 10/30/2026. The chart appears from the second day the model is ranked.