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Claude Fable 5.1 made me a really nice animated pelican

Today is Claude Fable (and Mythos) 5.1 day. Anthropic say that Fable 5.1 “sets a new standard for coding, knowledge work, and long-running problem-solving tasks”. Their announcement spends a notable …

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Claude Fable 5.1 made me a really nice animated pelican

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Timeline cronologica

martedì 1 settembre 2026·9to5mac.com
Anthropic upgrades Claude with new Fable 5.1 model, details here - 9to5Mac
In June, Anthropic first released Fable 5, its Mythos-class AI model for Claude. Three months later, Anthropic is enhancing Claude...
martedì 1 settembre 2026·cryptobriefing.com
Anthropic launches Claude Fable 5.1 and Mythos 5.1 for coding and knowledge work
Anthropic releases Claude Fable 5.1 broadly and Mythos 5.1 to vetted Project Glasswing users, with 1M token context and reduced cache costs.

Claude Fable 5.1 made me a really nice animated pelican

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Claude Fable 5.1 made me a really nice animated pelican

Timeline cronologica

Anthropic upgrades Claude with new Fable 5.1 model, details here - 9to5Mac

Anthropic launches Claude Fable 5.1 and Mythos 5.1 for coding and knowledge work

Anthropic upgrades Claude with new Fable 5.1 model, details here - 9to5Mac

Anthropic Releases Claude Fable 5.1 and Claude Mythos 5.1: 52.6% on Terminal-Bench-Science and 75% Cheaper…

Claude Fable 5.1 behaves differently without a code change. Here is what I hand it now

Anthropic Ships Claude Fable 5.1, More Than Doubling Its Predecessor on Key Benchmark - Decrypt

Anthropic launches Claude Fable 5.1 and Mythos 5.1

Claude Fable 5.1 is now available on Agent Platform!

Anthropic's Claude Fable 5.1 and Mythos 5.1 arrive with a 75% cost reduction for Fable cache reads

Anthropic Ships Claude Fable 5.1, More Than Doubling Its Predecessor on Key Benchmark - Decrypt

Anthropic Releases Claude Fable 5.1 and Claude Mythos 5.1: 52.6% on Terminal-Bench-Science and 75% Cheaper Cache Reads - MarkTechPost

Anthropic's Claude Fable 5.1 promises better coding and research at up to 45 percent less

Claude Fable 5.1 made me a really nice animated pelican

Anthropic releases Claude Fable 5.1, cuts cached token pricing by 75%

Anthropic announces Claude Fable 5.1 and Mythos 5.1 models

Anthropic launches Claude Fable 5.1 and Mythos 5.1

Claude Fable 5.1 behaves differently without a code change. Here is what I hand it now

Fable 5.1 achieves 32% lower cost per task on ARC-AGI benchmarks