MODEL PROOF
Claude Fable 5.1 (batch)
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
- Independent LMArena score
- Not independently rated
- Context window
- 1M
- Maximum output
- 128K
- Input modalities
- text, image, file
- Output modalities
- text
- Published input price
- $5.00 / 1M tokens
- Published output price
- $25.00 / 1M tokens
- Pricing kind
- fixed
MODEL MONUMENT
Save or share this proof
Anthropic: Claude Fable 5.1 (batch). Balanced workload. Not independently rated. Evidence as of 19 Sept 2026.
$5.00/M in, $25.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription. Claude Fable 5.1 (batch) has no independent quality score. Unrated is not a score of zero.
Every price dimension
| Input | $5.00/M |
|---|---|
| Output | $25.00/M |
| Cached input | $0.125/M |
| Cache write | $6.25/M |
| Cache write 1h | $10.00/M |
| Web search | $0.01/call |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Best rankings by task
- dataviz #1of 106 1368
- svg #1of 77 1347
- fullstack #1of 41 1336
- webapps #1of 39 1336
- python-pptxslides #1of 26 1328
- gamedev #2of 107 1402
- website #3of 114 1322
- codecategories #3of 108 1346
Capability
| Context window | 1M |
|---|---|
| Max output | 128K |
| Input modes | text, image, file |
| Tool use | yes |
| Reasoning | always on |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-09-19 |
| Quality data | unrated |
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...
Questions this page answers
What does Claude Fable 5.1 (batch) cost?
$5.00/M in, $25.00/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does Claude Fable 5.1 (batch) have an independent quality score?
Claude Fable 5.1 (batch) has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats Claude Fable 5.1 (batch)?
Claude Fable 5.1 (batch) has no independent quality score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for Claude Fable 5.1 (batch)?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.