Anthropic Unveils Claude Opus 5 - At Half The Cost Of Fable 5

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  "company": {
    "name": "Anthropic",
    "domain": "anthropic.com"
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    "url": "https://stocktwits.com/news-articles/markets/equity/anthropic-unveils-claude-opus-5-at-half-the-cost-of-fable-5/cZZp3jJR7zO",
    "title": "Anthropic Unveils Claude Opus 5 - At Half The Cost Of Fable 5 - Stocktwits",
    "excerpt": "Advertisement | Remove ads. Artificial intelligence safety and research company Anthropic announced on Friday the immediate release of Claude Opus 5, a high-performance language model at half the price of its top-tier sibling Fable 5. The enterprise-grade model is designed to tackle high-level professional workloads such as autonomous coding, financial modeling, legal research, and scientific research at substantially reduced operational costs compared to previous releases. Anthropic reported that Claude Opus 5 sets a new state-of-the-art performance standard on key industry evaluations, including the Frontier-Bench benchmark for software engineering and the GDPval-AA benchmark for knowledge work. Advertisement | Remove ads. In early testing, the system demonstrated advanced problem-solving abilities, such as building custom computer vision pipelines to analyze engineering drawings and constructing isolated test environments to independently verify code. Software engineers and enterprise teams noted that the model shows marked improvements in catching logical faults during planning phases, resulting in cleaner code changes and fewer manual interventions. While the model posted top scores across a wide range of analytical evaluations, Anthropic noted that it continues to reserve cybersecurity-focused workflows for its specialized Mythos 5 architecture. Positioned as an...",
    "product": "Claude Opus 5",
    "summary": "Anthropic's Claude Opus 5 set a new state-of-the-art performance standard on the Frontier-Bench benchmark for software engineering.",
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    "image_url": "https://news.stocktwits-cdn.com/large_Getty_Images_2268689002_jpg_c32ee62501.webp",
    "confidence": 0.8,
    "recognition": "state-of-the-art performance standard on the Frontier-Bench benchmark for software engineering",
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    "published_at": "2026-09-26T22:43:42Z",
    "article_sentence": "Anthropic reported that Claude Opus 5 sets a new state-of-the-art performance standard on key industry evaluations, including the Frontier-Bench benchmark for software engineering and the GDPval-AA benchmark for knowledge work."
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