Anthropic 发布了其新一代 AI 模型 Claude Fable 5.1，现已在 Cursor 和 Perplexity 等平台上可用。此次发布在基准测试方面取得了显著进步，尤其是在智能体任务和减少对良性查询的拒绝方面。然而，定价结构仍然是讨论的焦点，实际成本因缓存命中率和工作负载类型而异，引发了关于其是否物有所值（与 Opus 5 相比价格翻倍）的争论。 AI
影响 在智能体任务上设定了新的 SOTA（State-of-the-Art），并减少了拒绝率，可能影响企业采用和成本效益计算。
排序理由 前沿模型发布，附带系统卡和基准测试数据。
AI 生成摘要 · Google Gemini · 来自 36 个来源。 我们如何撰写摘要 →
完整方法见我们的编辑标准。
Claude Fable 5.1 is now available in Cursor! It's the most capable model we’ve run on CursorBench 3.2, scoring 73.4% at max effort. We found it especially skilled at verifying its own work, allowing it to take on difficult coding tasks from start to finish.
Claude Fable 5.1 is now available in Perplexity Computer for Pro and Max subscribers. It ranked first in our August WANDR evaluation at 0.601 and $12.76 per task, a 21% higher score and 37% lower cost than Fable 5. https://t.co/dYhkTZnngo
<ul> <li><p>Fable 5.1 more than doubles Fable 5 on Terminal-Bench-Science, 52.6 percent against 24.7</p></li> <li><p>Cache reads drop from 1.00 to 0.25 dollars per million tokens, a 75 percent cut that input and output pricing do not show</p></li> <li><p>It beats Opus 5 on all ni…
<ul> <li><p>Fable 5.1 costs twice what Opus 5 does on input and output, and the benchmark gaps do not justify that for most work</p></li> <li><p>On single hard questions the two are within 1.4 points, so Opus 5 is the value pick</p></li> <li><p>On long unattended agent runs the g…
<ul> <li><p>Fable 5.1 refuses benign elementary biology and medical questions 85 percent less often than Fable 5</p></li> <li><p>Cybersecurity false positives are down 60 percent, and identifying vulnerabilities is now allowed while exploit generation is not</p></li> <li><p>A ref…
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<h1> Claude Fable 5.1 Review </h1> <p>When Anthropic shipped <a href="https://dev.to/blog/claude-fable-5-review-benchmarks-developer-guide-2026/">Claude Fable 5</a> in June, I wrote that the price doubling was the headline, not the benchmarks. Ten dollars per million input tokens…
<p>Test date: 2026-09-03 (Asia/Shanghai)<br /> Base URL: <code>https://cn.crazyrouter.com</code><br /> Endpoint: <code>POST /v1/messages</code><br /> Models: <code>claude-fable-5-1</code>, <code>claude-fable-5</code></p> <h2> TL;DR </h2> <p>Most Fable 5.1 coverage restates the sa…
<p><em>Disclosure: this piece was drafted with Claude Fable 5.1 on its launch day, inside the pipeline that writes every SharpHaw post. I read it, corrected it and edited it before it went out.</em></p> <p>Anthropic shipped Claude Fable 5.1 on 1 September. The benchmarks are in e…
<p>Claude Fable 5.1'e geçiş çoğunlukla model kimliğini değiştirmekten ibarettir. API yüzeyi, limitler, jeton başına fiyatlandırma, tokenize edici, her zaman açık uyarlanabilir düşünme ve reddetme yönetimi Fable 5 ile aynıdır. Ancak Fable 5'in döndürmediği üç yeni hata vardır. Bun…
<h1> Claude Fable 5.1 ve Fable 5: Yükseltme Değer mi? </h1> <p>Claude Fable 5.1, 1 Eylül 2026'da Fable 5'in yerini aldı. Milyon token başına giriş ve çıkış fiyatları 10 ve 50 dolar olarak aynı kalırken, önbellek okuma ücreti milyon token başına 1 dolardan 0,25 dolara düştü. Anthr…
<p>Claude Fable 5.1 เข้ามาแทนที่ Fable 5 เมื่อวันที่ 1 กันยายน 2026 โดยคงราคาอินพุตและเอาต์พุตไว้ที่ 10 ดอลลาร์และ 50 ดอลลาร์ต่อล้านโทเค็น แต่ลดค่าอ่านแคชจาก 1 ดอลลาร์เหลือ 0.25 ดอลลาร์ต่อล้านโทเค็น พร้อมประสิทธิภาพที่ดีขึ้นในทุกเกณฑ์มาตรฐานที่ Anthropic เผยแพร่ Fable 5 ยังคงให้บ…
<h1> คู่มือย้ายไปใช้ Claude Fable 5.1: จุดที่ต้องแก้และวิธีทดสอบ </h1> <p>การย้ายไปใช้ Claude Fable 5.1 ส่วนใหญ่เป็นเพียงการเปลี่ยนโมเดล ID แต่มีความแตกต่างสามรายการที่อาจทำให้คำขอเดิมเกิดข้อผิดพลาด ได้แก่ การบังคับใช้เครื่องมือ การอ่านบล็อกความคิดข้ามโมเดล และการตรวจสอบการแก้ไขป…
🚀 Claude Fable 5.1 متوفر الآن: موجه واحد يوضح إمكانياته الحقيقية جرب Claude Fable 5.1 الآن! موجه واحد فريد يوضح قدراته الحقيقية المذهلة وكيف سيحدث ثورة في طريقة عملك وتفكيرك. 🔗 اقرأ المقال كاملاً: https://www. dztecs.com/ai/claude-fable-5-1 -is-here-this-one-prompt-shows-what-it-…
Claude Fable 5.1: check your version first Claude Fable 5.1 is out, and it is included on Max. claude --version needs 2.1.257 claude update /model claude-fable-5-1 Both of my machines were too old to run it. Check yours first. What version is your Claude on right now? Full breakd…
<table> <tr><td> <a href="https://www.reddit.com/r/Anthropic/comments/1w4jtfa/claude_fable_51_prompting_documentation_released/"> <img alt="Claude Fable 5.1 prompting documentation released" src="https://external-preview.redd.it/ZrlsT1hg0eI_WBAKZpS-uWtvalClede_SudSIk5HWeU.png?wid…
<!-- SC_OFF --><div class="md"><p>I tried Fable 5.1 and I can confirm it already surpasses Fable 5, Opus 5, and GPT‑5.6 Sol.<br /> While its results are ALMOST impressive, but he cost of Fable 5.1 is unacceptably too high(the DNA of Anthropic and its weak point). </p> <p>Consider…
<table> <tr><td> <a href="https://www.reddit.com/r/ClaudeAI/comments/1w4k4pz/claude_fable_51/"> <img alt="Claude Fable 5.1" src="https://preview.redd.it/tfs74xh1aymh1.png?width=640&crop=smart&auto=webp&s=9356636b045013f4f14ec39cc2fb271445e69e2d" title="Claude Fable 5.…
<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1w8b8kv/as_per_artificial_analysis_index_muse_13_is_at/"> <img alt="As Per Artificial Analysis Index Muse 1.3 is at the same level as Fable 5" src="https://preview.redd.it/e33flytjernh1.png?width=140&heig…
<!-- SC_OFF --><div class="md"><p>Here are more results:<br /> Claude Fable 5.1 86.6% </p> <p>Human Baseline* 83.7% </p> <p>Gemini 3.8 Flash 82.4% </p> <p>Claude Fable 81.9% </p> <p>Muse Spark 1.3 81.8% </p> </div><!-- SC_ON -->   submitted by   <a href="https://www.reddi…