Claude Opus 5 Delivers Top Coding Scores at Half the per-Task Cost
The model outperforms Claude Fable 5 on coding and knowledge work while costing users $5 per million input tokens, Anthropic said.
- On Friday, San Francisco-based Anthropic launched Claude Opus 5, an artificial intelligence model designed for daily coding and knowledge work at half the price of Claude Fable 5.
- Following the controversial debut of Claude Fable 5, which faced temporary export controls citing "national security authorities" last month, Anthropic positioned Opus 5 as a more accessible alternative for cost-conscious enterprises.
- Priced at $5 per million input tokens and $25 per million output tokens, Opus 5 generates 26% fewer tokens than Opus 4.8, according to Niko Grupen, Harvey's head of applied research.
- New API features include automatic fallbacks when safety classifiers decline requests and mid-conversation tool changes without invalidating the prompt cache, improving cost control and security during active tasks.
- Anthropic differentiates its models amid intense competition from OpenAI and Chinese startups, recommending Fable 5 for "days-long, very autonomous projects" while positioning Opus 5 as the primary driver for general business and scientific research.
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54 Articles
Anthropic's Opus 5 is about token efficiency, not a capability leap
Today, Anthropic rolled out Opus 5, the newest update for the model that has recently become a popular choice for coding and other software development tasks, among other things. While this is a noteworthy bump for Opus, it doesn't seem to be an Opus 4.5-level breakthrough in agentic coding performance.Read full article Comments
Anthropic released on Friday a new AI model, Claude Opus 5, presented as more difficult to hijack for computer attacks.
Anthropic launches Claude Opus 5, its fourth model in two months, and it tops Fable 5 on most benchmarks
Anthropic on Thursday released Claude Opus 5, a model that matches or exceeds its flagship Fable 5 on most coding and knowledge-work benchmarks at half the token price. The model is the fourth Anthropic has shipped in under two months, following Fable 5 in early June, Sonnet 5 at the end of June, and now […] This story continues at The Next Web
Anthropic releases a new AI model, Claude Opus 5, presented as less likely to drift and more difficult to hijack for cyber attacks.
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