Anthropic Launches Claude Fable 5.2 and Mythos 5.2
Anthropic today introduced its latest models, Claude Fable 5.2 and Claude Mythos 5.2, which have improvements in coding, reasoning, and vision. Anthropic says Fable 5.2 and Mythos 5.2 communicate more clearly than the 5.1 versions, with outputs generated up to 30 percent faster. Fable 5.2 uses fewer tokens than Fable 5.1 on challenging tasks when set to medium effort. The company suggests using…
Anthropic has unveiled Claude Fable 5.2 and Claude Mythos 5.2, with enhancements in coding, reasoning, and vision capabilities. These new models reportedly communicate more clearly and generate outputs up to 30 percent faster than their predecessors. Anthropic suggests using these models for complex, open-ended technical tasks, while recommending Opus 5.5 for standard coding and knowledge work.
Both Fable and Mythos 5.2 have been benchmarked to outperform Opus 5.5 across various domains, including cybersecurity, agentic scientific research, and multidisciplinary reasoning.
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