Claude Fable 5.1 (Max, Default Fallback)
Anthropic • text#7 of 704 in intelligence
Data source: Artificial Analysis · ID AA: 3e87c73e-a257-495e-9730-367a66229811 · Snapshot published: 10/27/2026, 3:00:24 PM · Methodology version: 4.3
Specifications
AA Intelligence Index
53.4
Artificial Analysis · 4.3 · 10/27/2026, 3:00:24 PM
Context Window
1.0M tokens
Input Price/1M
$10.00
#423 of 445
Output Price/1M
$50.00
Parameters
—
Speed
68 tok/s
#116 of 160
Latency (TTFT)
180.5s
Max Output
128K tokens
Cost per Task
$7.6297
USD / task · lower is better · Artificial Analysis · 4.3 · 10/27/2026, 3:00:24 PM
Benchmarks
Artificial Analysis metrics for Claude Fable 5.1 (Max, Default Fallback). Higher is better for capability indexes; lower is better for cost per task.
Agentic
| Benchmark | Score | Maximum | Methodology | Source / version / date |
|---|---|---|---|---|
| AA Agentic Index | 57.9 | 100.0 | Artificial Analysis official API | Artificial Analysis · 4.3 · 10/27/2026 |
Coding
| Benchmark | Score | Maximum | Methodology | Source / version / date |
|---|---|---|---|---|
| AA Coding Index | 81.6 | 100.0 | Artificial Analysis official API | Artificial Analysis · 4.3 · 10/27/2026 |
Cost
| Benchmark | Score | Maximum | Methodology | Source / version / date |
|---|---|---|---|---|
| AA Cost Per Task | 7.6 | 100.0 | Artificial Analysis official API | Artificial Analysis · 4.3 · 10/27/2026 |
overall
| Benchmark | Score | Maximum | Methodology | Source / version / date |
|---|---|---|---|---|
| AA Intelligence Index | 53.4 | 100.0 | Artificial Analysis official API | Artificial Analysis · 4.3 · 10/27/2026 |
Information
- Release date
- September 01, 2026
- Tool Calling
- ❌ Not supported
- Vision
- ❌ Not supported
- Audio
- ❌ Not supported
Full Analysis: Claude Fable 5.1 (Max, Default Fallback)
What is Claude Fable 5.1 (Max, Default Fallback)?
Claude Fable 5.1 (Max, Default Fallback) is an AI model developed by Anthropic, classified as a text model. It focuses on text processing and natural language generation. As a proprietary model, it is available via Anthropic's cloud API. With a context window of 1.0M tokens, it is suitable for processing long documents such as contracts, books, and complete codebases.
Pricing & Costs in 2026
Claude Fable 5.1 (Max, Default Fallback) is usage-based, priced at $10/1M input tokens and $50/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. The premium pricing reflects the model's frontier capabilities, recommended for complex reasoning, analysis, and generation tasks where quality takes priority over cost.
Benchmarks & Performance
Claude Fable 5.1 (Max, Default Fallback) was evaluated on 4 different benchmarks, covering categories like Agentic, Coding, Cost, overall. Results show solid performance across available evaluations.
It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.
Recommended Use Cases
Claude Fable 5.1 (Max, Default Fallback) specializes in text, offering advanced capabilities for creating and processing text content.
Comparison with Alternatives
In the 2026 AI model ecosystem, Claude Fable 5.1 (Max, Default Fallback) competes directly with similarly capable models. Key competitors include GPT (OpenAI), Gemini (Google), and open source models like Llama (Meta) and DeepSeek. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.
For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.
Comparisons with Claude Fable 5.1 (Max, Default Fallback)
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Claude Fable 5.1 (max with fallback) vs GPT-6 Astra (max)
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Claude Fable 5.1 (max with fallback) vs Gemini 4 Argon (high)
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Claude Fable 5.1 (max with fallback) vs Muse Wonder (max)
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Claude Opus 5.5 (max with fallback) vs Claude Fable 5.1 (max with fallback)
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Frequently Asked Questions
What is Claude Fable 5.1 (Max, Default Fallback)?
Claude Fable 5.1 (Max, Default Fallback) is an AI model developed by Anthropic. It is a text model.
How much does Claude Fable 5.1 (Max, Default Fallback) cost?
Claude Fable 5.1 (Max, Default Fallback) costs $10/1M input tokens and $50/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.
How does Claude Fable 5.1 (Max, Default Fallback) compare with other models?
In available benchmarks, Claude Fable 5.1 (Max, Default Fallback) scored: AA Agentic Index: 57.9/100, AA Coding Index: 81.6/100, AA Cost Per Task: 7.6297/100. See the full table above for a detailed comparison.
Is Claude Fable 5.1 (Max, Default Fallback) open source?
No, Claude Fable 5.1 (Max, Default Fallback) is a proprietary model from Anthropic. It is available via cloud API. For open source alternatives, check our open source model ranking.
What is Claude Fable 5.1 (Max, Default Fallback) best for?
Claude Fable 5.1 (Max, Default Fallback) excels at general-purpose language tasks. With its large context window, it handles long documents, codebases, and extended conversations.
Last updated: October 27, 2026 • View methodology →