Claude Fable 5.1: AI 大语言模型
Generate text with Claude Fable 5.1. Anthropic's flagship model with adaptive thinking, 1M context. Try free — pay per generation, no subscription.
Generate text with Claude Fable 5.1. Anthropic's flagship model with adaptive thinking, 1M context. Try free — pay per generation, no subscription.
关于此模型
Claude Fable 5.1 is Anthropic's newest flagship model, built for long-horizon agentic coding, multistep research, and document, spreadsheet, and slide work. It runs with adaptive extended thinking always enabled (steerable via effort, from low up to max) and a 1 million token context window with up to 128K tokens of output. It accepts both text and image inputs — charts, tables, PDFs, and screenshots — for multimodal analysis, and is a step up in reasoning depth from the earlier Claude Fable 5. Pricing is token-based: $10.00 per million input tokens and $50.00 per million output tokens.
成本分析
| 提供商 | 费用 | 备注 |
|---|---|---|
| muapiapp | $10.00/M 输入 Token, $50.00/M 输出 Token | Token-based billing at Anthropic's official published rate. Minimum $0.0008 per call. |
| Fal.ai | 暂不可用 | Claude Fable 5.1 is 不可用 on Fal.ai. |
| Replicate | 暂不可用 | Claude Fable 5.1 is 不可用 on Replicate. |
Token-based billing at Anthropic's official published rate. Minimum $0.0008 per call.
Claude Fable 5.1 is 不可用 on Fal.ai.
Claude Fable 5.1 is 不可用 on Replicate.
** 竞品价格根据相似模型架构和使用层级估算。
配置参数
| 参数 | 类型 | 描述 | 默认值 |
|---|---|---|---|
| 提示词 | string | 用户消息或指令。 | Explain quantum entanglement in simple terms. |
| 图像 URL | string | 多模态请求的可选图像 URL。 | undefined |
| 系统提示词 | string | 可选的系统级指令，用于引导模型行为。 | You are a concise and precise assistant. |
用户消息或指令。
Explain quantum entanglement in simple terms.多模态请求的可选图像 URL。
undefined可选的系统级指令，用于引导模型行为。
You are a concise and precise assistant.开发者文档
POST /api/v1/claude-fable-5-1 — returns request_id, poll for the result via /api/v1/predictions/{id}/result.
curl -X POST https://api.muapi.ai/api/v1/claude-fable-5-1 \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "Summarize the key risks in this quarterly report and list follow-up questions.",
"image_url": "https://example.com/report-page-1.png",
"system_prompt": "You are a meticulous financial analyst."
}'
POST /api/v1/claude-fable-5-1/stream — returns a live Server-Sent Events stream (Content-Type: text/event-stream). Each chunk has the format data: {"choices":[{"delta":{"content":"text"}}]}, ending with data: [DONE].
See Streaming Documentation for full code examples.
常见问答
Claude Fable 5.1 is Anthropic's newest flagship language model, built for long-horizon agentic coding, multistep research, and document, spreadsheet, and slide analysis, with a 1M-token context window and always-on adaptive extended thinking.
Pricing is token-based: $10.00 per million input tokens and $50.00 per million output tokens. The minimum charge per call is $0.0008. Actual cost is deducted after each call based on token counts returned by the model.
/claude-fable-5-1 is async — you receive a request_id and poll for the result. /claude-fable-5-1/stream returns a live SSE stream. Use streaming for chat UIs; use the async endpoint for workflows and automation.
Yes. Pass an image_url in the request body to include an image — such as a chart, table, PDF page, or screenshot — as part of the user message for multimodal analysis.
Claude Fable 5.1 adds a larger 1M-token context window, always-on adaptive extended thinking (steerable via effort), and stronger long-horizon agentic and research performance compared to [Claude Fable 5](/playground/claude-fable-5).
Extended thinking is always enabled and cannot be turned off, but its depth is adaptive to the task — harder, multistep requests automatically get more reasoning effort.