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Cursor, Cognition, Zapier and Perplexity report Fable 5.2 benchmark gains at launch

According to a post on X by @cursor_ai, Cursor says its Fable 5.2 model is the top model on CursorBench, scoring 60% at max effort and 56.9% at default effort, up from 49.2% for Fable 5.1. Cognition says it ranks first on FrontierCode 2.0 in Devin. Zapier reports 51.4% on AutomationBench, 2.3 times Fable 5.1, and Perplexity has added the model to Computer and Search for paid tiers. The headline also says Vercel, OpenRouter and others shipped Fable 5.2 and Muse Ember on day one, but the snippet cuts off before giving details on those.

Source: Scobleizer News Pulse (X) · x.com Found via Robert Scoble’s Scobleizer News Pulse · a post on X, not independently verified Published 2026-11-09T20:45:00+00:00 Detected 2026-11-10T02:26:42+00:00
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According to a post on X by @cursor_ai, Cursor says its Fable 5.2 model is the top model on CursorBench, scoring 60% at max effort and 56.9% at default effort, up from 49.2% for Fable 5.1. Cognition says it ranks first on FrontierCode 2.0 in Devin. Zapier reports 51.4% on AutomationBench, 2.3 times Fable 5.1, and Perplexity has added the model to Computer and Search for paid tiers. The headline also says Vercel, OpenRouter and others shipped Fable 5.2 and Muse Ember on day one, but the snippet cuts off before giving details on those.

AI-assisted summary based on the listed source.

Cursor says Fable 5.2 is the top model on CursorBench at 60% at max effort and scores 56.9% at default effort, up from 49.2% for Fable 5.1, and Cognition says it takes #1 on FrontierCode 2.0 in Devin. Zapier reports 51.4% on AutomationBench (2.3x Fable 5.1), Perplexity added it to Computer and Search for paid...

Developers and businesses using these tools may want to test Fable 5.2 against their own workloads, since the reported gains come from the companies involved. The benchmark figures are self-reported by vendors, so independent results are still needed. Watch for third-party evaluations and whether the gains hold up in everyday developer and automation tasks.

Signal Strength 95% Technical label WATCH Public Interest 45 Category CREATOR TOOLS Reader Depth TECHNICAL

Signal Strength reflects source quality, relevance, freshness and evidence. Public Interest helps organize discovery; it is not proof of truth.

Public Interest components
Recognizable Entity Score 51 Practical Impact Score 28 Novelty Interest Score 70 Consequence Score 46 Curiosity Score 0 Shareability Score 57

VQV surfaced this signal because it is recent, relevant to Developer Tools, connected to Scobleizer News Pulse (X).