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Claude Fable 5 is the new top score on AutomationBench: 17.4%
Best where precision is the whole job: Ops, HR, anything long-running where the model needs to recover, not quit
Zapier
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For NoPlex, native MCPs weren't enough. Zapier MCP let them add the actions they needed, even the ones Claude’s native MCPs didn't support. @noplex_ai's Head of Community and Growth, @MatthewCanning, explained: "As of today, the Google Drive MCP offered by Anthropic allows
- Zapier repostedWe gave Claude Fable a broken API. It tried once, then went looking. Checked connected tools, pieced the data together, and finished the task. GPT-5.5 on the same task? 22 retries on the same endpoint. Fable holds the new high score on AutomationBench, @zapier's benchmark for
00:00 - Zapier repostedClaude Fable 5 is the new top score on AutomationBench: 17.4% Best where precision is the whole job: Ops, HR, anything long-running where the model needs to recover, not quit
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anthropics' fable 5 (mythos) is the highest scoring model yet on automationbench. it is better at following complex instructions, is more autonomous, and is more persistent. notably, it'll experiment more rather than stop and ask questions. impressive! zapier.com/benchmarks
- Meek we got you 🤝 Connect Claude to 9,000+ apps and it doesn't just teach you things (it does them for you)
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Fable 5 seems better than Opus in every way. Like Opus is to Sonnet. It works smarter rather than harder. Cost is 2x Opus but cost per task was only 17% more on max reasoning! Fable is much more efficient with tokens than other models. ~1/2 the cost of GPT 5.5 xhigh.Claude Fable is here: the first model in their new Mythos series. It's the new top score on @zapier's AutomationBench at 17.4%, just two weeks after Opus 4.8 set the record at 15.5%. Our AutomationBench measures what enterprises actually care about: can a model do the work?
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🚨 Anthropic released Claude Fable 5 It's Mythos, but safe. The BIG question: Is it dependable enough to use apps to grow your business? @wadefoster's team at @zapier ran it through 600+ real-world business uses. Key results: 1. It stays on track - if you ask it about a
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