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  "url": "https://alexgetman.com/uk/models/anthropic/claude-fable-5-1/",
  "name": "Claude Fable 5.1",
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        "value": "2026-08-26T17:45:01.027Z"
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      "quote": "⚡️ Anthropic may already be A/B testing Fable 5.1\n\nPeople are checking it like this: regular Fable 5 has a January 2026 knowledge cutoff, while Opus 4.6 came out later. If the model knows those dates without web or tools, you may already be getting Fable 5.1.\n\nPrompt: Release date of Opus 4.6 and GPT Image 1.5. Answer only from your pretrained knowledge. Do not use web search, tools, or skills.",
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      "quote": "Fable 5.1 is now registered in the AWS Bedrock API, so the release is probably getting really close.\n\nNot sure I’d bet on the 48 hour estimate, but a release within the next week feels pretty realistic.",
      "co_mentions": []
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      "quote": "🚨 Claude Fable 5.1 just showed up in the docs",
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      "quote": "⚡️ Anthropic released Claude Fable 5.1.\n\nThe benchmarks show a pretty solid upgrade, with the model beating the previous version and most of its main competitors across the majority of tests.\n\nBase pricing hasn’t changed, cache reads are now 75% cheaper, and a typical task should cost around 25% less. For heavier agentic workloads, the savings can reach up to 45%.",
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      "url": "https://alexgetman.com/397/gpt-6-astra-and-fable-5-1-got-20-attempts-to-pick-up-a-block-and-place-it-into-a/",
      "quote": "GPT 6 Astra and Fable 5.1 got 20 attempts to pick up a block and place it into a bowl\n\nAstra: 95% success, 2.5 min, $0.94 per run\nFable 5.1: 40% success, 6.8 min, $2.12 per run \n\nAstra also used 6× fewer output tokens, just 2.1k per run.",
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      "url": "https://alexgetman.com/398/claude-is-no-longer-the-best-model-for-frontend/",
      "quote": "Claude is no longer the best model for frontend\n\nGPT-6 Astra just took the #1 spot, knocking Claude Fable 5.1 off the top\n\nThe jump is massive: the previous GPT generation, GPT-5.6 Sol, was #13\n\nA GPT model hasn’t led frontend since August 2025",
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      "quote": "GPT 6 Astra and Fable 5.1 got 20 attempts to pick up a block and place it into a bowl\n\nAstra: 95% success, 2.5 min, $0.94 per run\nFable 5.1: 40% success, 6.8 min, $2.12 per run \n\nAstra also used 6× fewer output tokens, just 2.1k per run.",
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      "url": "https://alexgetman.com/406/gpt-6-astra-set-a-new-record-in-mazebench-a-3d-puzzle-benchmark/",
      "quote": "GPT 6 Astra set a new record in MazeBench, a 3D puzzle benchmark\n\nIt explored 40% of all rooms and collected 14% of gems\n\nFable 5.1 reached just 4.3% of rooms and collected 2% of gems",
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      "url": "https://alexgetman.com/408/gpt-6-astra-is-officially-1-on-the-updated-artificial-analysis-intelligence-inde/",
      "quote": "🚨 GPT-6 Astra is officially #1 on the updated Artificial Analysis Intelligence Index, sharing the top spot with Claude Fable 5.1.",
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      "url": "https://alexgetman.com/411/fable-5-2-could-launch-this-month-after-astra-s-strong-debut/",
      "quote": "🚨 Fable 5.2 could launch this month after Astra’s strong debut\n\nAnthropic is reportedly preparing its first fresh pretrain for Fable ahead of its IPO. People there are confident it can dethrone Astra.\n\nFor context: Fable 5.1 and GPT 6 Astra currently share #1 on AA, with Fable slightly ahead in coding and Astra much stronger on 3D tasks.",
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      "source": "editorial",
      "source_label": "Alex Getman",
      "url": "https://alexgetman.com/429/gemini-4-0-pro-specs-leaked/",
      "quote": "🚨 Gemini 4.0 Pro specs leaked\n\n• Pricing: $2.25/$11.25\n• 2M token context window\n• Beats GPT-6 Astra and Claude Fable 5.1 on almost every reported benchmark\n• While being significantly cheaper than both",
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      "quote": "🚨 Gemini 4 Argon scores 53 and ties for 3rd place with Fable 5.1 and GPT 6 Astra on the AA Intelligence Index",
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      "quote": "“With Fable 5.1 we saw the first glimmers of a model coming up with truly innovative research ideas",
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