---
title: "Anthropic: Claude Fable 5.1 (batch) — unrated, priced in this catalogue · Undominated.ai"
canonical: https://undominated.ai/models/anthropic__claude-fable-5.1__batch/
description: "Anthropic: Claude Fable 5.1 (batch): $5.00/M in, $25.00/M out. This listing carries no LMArena score of its own; Claude Fable 5.1, the same model's standard listing, has one."
---

# Anthropic: Claude Fable 5.1 (batch) — unrated, priced in this catalogue · Undominated.ai

> Anthropic: Claude Fable 5.1 (batch): $5.00/M in, $25.00/M out. This listing carries no LMArena score of its own; Claude Fable 5.1, the same model's standard listing, has one.

[Cheaper alternatives](/alternatives/) [Family](/families/claude/) [Compare models](https://undominated.ai/compare/) Comparison context

Choose up to three standard models in Compare.

Requirements and prompt length apply in Compare. This page keeps its stated price basis and workload controls.

MODEL PROOF

# Claude Fable 5.1 (batch)

Anthropic · 01 Sept 2026

 Balanced Summarise Chat Code gen Agentic

NO LMARENA GENERAL SCORE

## No LMArena general score is attached to this listing.

 **$10.00** / 1M tokens Balanced · 3 tokens in per 1 out

Evidence as of 05 Nov 2026

 [openrouter/models](https://openrouter.ai/api/v1/models) Independent LMArena score No LMArena general score
 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

Inspect [complete billing conditions](#billing-details) and endpoint terms below.

 Every price dimension · USD per million tokens

| Input | $5.00 /M |
| --- | --- |
| Output | $25.00 /M |
| Cached input | $0.125 /M |
| Cache write | $6.25 /M |
| Cache write 1h | $10.00 /M |
| Reasoning | Unknown /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

 - Full-stack apps #1 1320
- Godot games #1 1327
- Python pptxslides #1 1318
- Spreadsheet #1 1426
- Htmlslides #1 1394
- Web apps #3 1296
- ASCII art #4 1321
- Data visualisation #5 1344

Per-task Elo and rank from [Design Arena](https://designarena.ai), via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.

### Capability

| Context window | 1M |
| --- | --- |
| Max output | 128K |
| Input modes | text, image, file |
| Tool use | yes |
| Reasoning | always on |
| Open weights | no |

### Provenance

| Price source | [openrouter.ai](https://openrouter.ai/api/v1/models) |
| --- | --- |
| Fetched | 2026-11-05 |
| 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) carries no LMArena score of its own; Claude Fable 5.1, the same model's standard listing, has an LMArena general score.

 What beats Claude Fable 5.1 (batch)?

Claude Fable 5.1 (batch) carries no LMArena score of its own and is not compared here; Claude Fable 5.1, the same model's standard listing, has one.

 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.

 Does a missing score mean Claude Fable 5.1 (batch) scored zero?

Unrated is not a score of zero.

MODEL MONUMENT

## Save or share this proof

 Download proof card · 1200 × 630 Preview and more sharing options

Anthropic: Claude Fable 5.1 (batch). Balanced workload. Not rated on the LMArena general board. Evidence as of 05 Nov 2026.

 Copy model link Download square card · 1080 × 1080 Copy landscape image Share landscape card

## Related

No LMArena general score, so there is no dominator to name. Unrated is not a clean bill of health.

 - Same vendor [Claude Fable 5 (batch)](/models/anthropic__claude-fable-5__batch/)
- Anthropic models [Anthropic](/providers/anthropic/)
- Where this model appears [effort](/effort/)
- Same vendor [Claude Haiku 4.5 (batch)](/models/anthropic__claude-haiku-4.5__batch/)
- Where this model appears [subscription vs API](/plans/)
- Same vendor [Claude Haiku 5.5 (batch)](/models/anthropic__claude-haiku-5.5__batch/)

## Continue your investigation

 - [Explore model families](/families/)
- [Compare a shortlist](/compare/)
- [Check a model](/check/)
- [Understand the evidence](/methodology/)
