Claude Fable 5.1
The 56th most-used model on the router over the last 7 days, with 0.05% of tokens. Weekly share peaked at 0.42% in the week of Sep 21, 2026, with 2.3T tokens processed since Aug 31, 2026.
- Launch
- Sep 1, 2026
- Context
- 1M tokens
- Modality
- text, image and file → text
- Reasoning
- yes
- License
- Proprietary
- Input
- $10.00 / 1M
- Output
- $50.00 / 1M
Weekly token share
Share of the router's weekly volume, since the first week with volume
See the numbers
| Week | Share |
|---|---|
| Oct 19, 2026 | 0.046% |
| Oct 12, 2026 | 0.036% |
| Oct 5, 2026 | 0.074% |
| Sep 28, 2026 | 0.168% |
| Sep 21, 2026 | 0.424% |
| Sep 14, 2026 | 0.378% |
| Sep 7, 2026 | 0.301% |
| Aug 31, 2026 | 0.255% |
Debuted in the week of Aug 31, 2026 and peaked at 0.42% 3 weeks later. The latest full week came in at 0.05%, 11% of peak.
What this model is used for new
Tasks where the model ranks among the leaders, and its share of each
This model is not among the leaders in any of the 29 tasks classified in the Oct 25, 2026 snapshot. That does not mean it goes unused: the source lists only the largest models in each task.
Snapshot of the rolling 7-day window through Oct 25, 2026. Share: the model's tokens in the task over the task's total tokens. Weight: the task's share of classified volume.
Where to run it
Endpoints in the source's catalog, from cheapest to most expensive on input
No endpoints listed for this model in the archived catalog.
Benchmarks
Artificial Analysis indexes and benchmarks run by the source, with cost per task
GPQA Diamond 89.9%
$0.13 per task, 990 tasks. 35th of 169 evaluated. Median of evaluated models: 83.4%, $0.025 per task.
τ-bench verified, airline 79.2%
$0.72 per task, 200 tasks. 3rd of 150 evaluated. Median of evaluated models: 71.2%, $0.064 per task.
Artificial Analysis indexes, exposed by the catalog; benchmarks run by the source and archived on Oct 26, 2026. The gray mark is the median of evaluated models.
Against the week's largest models
The five largest proprietary and five largest open-weights models over the last 7 days
| Model | Lab | 7-day share | Blended price | Context | Intelligence | Weeks in top 10 |
|---|---|---|---|---|---|---|
| Proprietary | ||||||
| GPT-6 LunaOpenAI | OpenAI | 4.4% | $0.20 | 1M | 38.1 | 5 |
| Claude Opus 5.5Anthropic | Anthropic | 4.4% | $8.00 | 1M | 57.6 | 3 |
| jev-1.13Typesafe | Typesafe | 1.6% | — | — | — | 0 |
| GPT-6.1 SolOpenAI | OpenAI | 1.5% | $4.00 | 1M | 51.8 | 0 |
| Muse Spark 1.3 ContributorMeta | Meta | 1.5% | $0.125 | 1M | — | 0 |
| Claude Fable 5.1this pageAnthropic | Anthropic | 0.05% | $20.00 | 1M | 53.4 | 0 |
| Open weights | ||||||
| DeepSeek V4.1 Flash 1017DeepSeek | DeepSeek | 17.9% | $0.263 | 1M | 39.5 | 1 |
| DeepSeek V4.1 FlashDeepSeek | DeepSeek | 9.6% | $0.265 | 1M | 24.7 | 7 |
| MiniMax M3.1 FlashMiniMax | MiniMax | 7.7% | $0.263 | 1M | 42.7 | 1 |
| GLM 5.3 FlashZ.ai (GLM) | Z.ai (GLM) | 7.0% | $0.237 | 1M | 41.8 | 9 |
| Hy4 previewTencent | Tencent | 4.8% | $1.25 | 1M | — | 8 |
Share over the last 7 days (Oct 19, 2026 to Oct 25, 2026). Blended price in US dollars per million tokens, weighted 75% input and 25% output. A dash means the number is not published, not zero.