Anthropic’s New AI Model Is Half the Price of Fable 5 - and It’s Coming for OpenAI
TLDR
- Anthropic released Claude Opus 5, its most cost-effective model, priced at half the cost of Fable 5
- Opus 5 outperforms Fable 5 on coding and knowledge work benchmarks
- Anthropic filed confidential IPO paperwork in June and is on track to go public later this year
- OpenAI may delay its IPO to 2027 and faces a trade secrets lawsuit from Apple
- China’s Moonshot AI released its Kimi K3 model, which it claims rivals both Fable 5 and GPT-5.6 Sol
Anthropic launched Claude Opus 5 on Friday, calling it its best-performing and most cost-effective AI model to date. The company says it outperforms its previous model, Fable 5, on coding and knowledge work tasks.
Introducing Claude Opus 5.
It's a thoughtful and proactive model that comes close to the frontier intelligence of Fable 5 at half the price. pic.twitter.com/GQWhcq2CQL
- Claude (@claudeai) July 24, 2026
Opus 5 costs $5 per million input tokens and $25 per million output tokens. That is half the price of Fable 5, making it a more attractive option for businesses watching their AI spending.
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