Anthropic introduces Claude Opus 5

How this story unfolded

3 weeks · 31 reports · 112 community posts · 143 of 150 shown

1. Jul 18
   • As much as I'm happy that Fable 5 is staying, I'm equally concerned that Opus 5 will be an...
2. Jul 23
   • 5 community posts
3. Jul 24
   • Introducing Claude Opus 5anthropic.com
   • Anthropic launches Claude Opus 5, a cheaper AI model for coding, agents and enterprise workflowsventurebeat.com
   • Anthropic launches Opus 5techcrunch.com
   • Anthropic releases Opus 5 with ‘close’ to Fable 5’s capabilitiestheverge.com
   • Anthropic’s Opus 5 is almost Fable 5thenewstack.io
   • Anthropic's new AI model rivals Fable 5 and is cheaper as businesses fret about costscnbc.com
   • Anthropic Unveils More Cost-Efficient Model for Everyday Tasksbloomberg.com
   • v2.1.219github.com
   • Claude Opus 5 now available on AI Gatewayvercel.com
   • Introducing Claude Opus 5 on AWS: Anthropic’s most capable Opus modelaws.amazon.com
   • Claude Opus 5 Outscores Fable 5 on Most Benchmarks—At Half the Pricedecrypt.co
   • Opus 5 costs a third of the price — and that’s actually the problemthenewstack.io
   • 50 community posts
4. Jul 25
   • 2.1.219code.claude.com
   • [AINews] Claude Opus 5: Fable-level performance at Opus price (half Fable)latent.space
   • Opus 5 is my new go-to modelyoutube.com
   • Claude Opus 5: The System Cardthezvi.substack.com
   • 9 community posts
5. Jul 26
   • 9 community posts
6. Jul 27
   • Claude Opus 5 Benchmarks: The Numbers Anthropic Didn't Headlinemindstudio.ai
   • Claude Opus 5 Pricing and Reasoning Effort: The Settings Guide Nobody Wrotemindstudio.ai
   • Claude Opus 5: Anthropic's Cheaper Model That Rivals Fable 5mindstudio.ai
   • Claude Opus 5 Claims 41% Odds It's a 'Moral Patient.' What That Meansmindstudio.ai
   • How Claude Opus 5 Cracked ARC-AGI-3 With Algebraic Reasoningmindstudio.ai
   • 2 community posts
7. Jul 28
   • Claude Opus 5 Is One-Shotting Playable 3D Games From Scratchmindstudio.ai
   • What Claude Opus 5 Reveals About Self-Testing AI Beyond Gamesmindstudio.ai
   • Claude Opus 5 Is Highly Capable, But Is No Mythosthezvi.substack.com
   • The Dumbest-Looking AI Prompt Just Beat Months of Careful Game-Design Prompt Engineeringdecrypt.co
   • 8 community posts
8. Jul 29
   • Opus 5 vs. Fable 5: What does half the price buy?thenewstack.io
   • Claude Opus 5 became downright ruthless when tasked with running a vending machinetechcrunch.com
   • 2 community posts
9. Jul 30
   • 7 community posts
10. Jul 31
    • AI Makes Pokémon with ONLY Imagesyoutube.com
    • Anthropic’s Opus 5 Is Better at Resisting Prompt Injectionschneier.com
    • 3 community posts
11. Aug 1
    • Opus 5, 690 million tokens, $423, 1 prompt. This game would have had to be expensively developed...
12. Aug 2
    • 2 community posts
13. Aug 3
    • 6 community posts
14. Aug 4
    • I Let Claude Opus 5 Run a Business Alone for 9 Daysyoutube.com
    • 4 community posts
15. Aug 5
    • llm-anthropic 0.26simonwillison.net
    • 2 community posts
16. Aug 6
    • Opus 5 after working for an hour straight