# Claude Opus 5 launches with near Fable 5 performance at half the price

AI model offers major advancements in coding and knowledge work

- **Source:** [Latest news](https://brifing.si/source/77d15218-219f-472d-bf40-31b5646d2942)
- **Published:** 2026-07-24
- **Topic:** [Data & AI](https://brifing.si/c/data-ai)
- **Original article:** <https://www.zdnet.com/article/claude-opus-5-near-fable-performance-at-half-the-price/>
- **On Brifing:** https://brifing.si/s/d4cffb3a-75b8-4aa3-a20d-a55069157b4a

## Next-gen AI model

Anthropic announced Claude Opus 5, bringing significant improvements in coding, knowledge work, and automated workflows. The new model achieves similar quality with fewer tokens than its predecessor. Developers benefit from faster output and smarter tool controls.

## Performance-cost advantage

Opus 5 delivers performance close to Fable 5 at half the price. The company claims it's their strongest model yet for knowledge work. It shows substantial gains in complex coding tasks, directly enhancing functionality in Claude Cowork and Claude Code.

## Developer experiences

Stripe engineer Cristian Rivera calls Opus 5 a clear generational leap. Harvey's research head Niko Grupen reports notable performance gains in legal work, especially corporate governance and arbitration. The model maintains quality while using fewer tokens.

## Token efficiency

Opus 5 generates 26% fewer tokens on average than Opus 4.8 while maintaining similar performance. This provides cost benefits and reduces AI stress during complex problem-solving. Developers can potentially accomplish more within a single session.

## Scientific research applications

Anthropic states Opus 5 outperforms its predecessor in biology tasks. The model is optimized for scientific research, though the company hasn't quantified 'outperformance' yet. It's presumed to mean faster, better, and more cost-effective results.

## User significance

Opus 5 is positioned as the go-to model for enterprise daily use. It offers greater autonomy, fewer feedback loops, and better error recovery. Developers can complete complex tasks more efficiently with this advancement in AI capabilities.

## Sources covering this story

- https://www.zdnet.com/article/claude-opus-5-near-fable-performance-at-half-the-price/ — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._