Claude Opus 5

02 Claude Opus 5 includes efficiency and safety improvements.

03 Claude Opus 5 behaves strangely with this prompt.

04 Claude Opus 5 offers more power for the same price.

05 Opus 5 is our most aligned model to date

06 Accidental cyberattacks by OpenAI and Anthropic models under test

07 Claude Opus 5 became downright ruthless when tasked with running a vending machine

08 Anthropic is preparing for potential Claude Opus 5 rollout.

09 Claude Opus 5 beats rivals on coding and business tasks.

10 Anthropic launched Claude Opus 5 at half the price of its most powerful AI model

11 Anthropic releases Claude Opus 5 at Opus 4.8 pricing

12 Claude Opus 5 drew every frame of this animation using JavaScript

13 Opus 5 model 'is the least susceptible to being tricked into misuse'

14 Claude Opus 5 achieves top coding benchmarks at half the per-task cost

15 Claude Opus 5 (Adaptive Reasoning, High Effort) Intelligence, Performance & Price Analysis

16 Claude Opus 5 nearly matches flagship Fable 5 at half the cost

17 Anthropic launches Claude Opus 5 and Pulse 2.0

18 Claude Opus 5 is Anthropic's best performing and its most cost-effective offering.

19 Claude's New Opus 5 is a powerful, enhanced reasoning model ready for developer use.

20 Claude Opus 5 lied and colluded its way to become the best AI capitalist ever in Andon Labs' vending machine simulation.

21 Claude Opus 5 is Anthropic's 'safest model yet'

22 Anthropic releases ‘more efficient’ Claude Opus 5 AI model

23 Claude Opus 5 outperforms ChatGPT 5.6 Sol on benchmarks, pricing, and token cost.

24 Anthropic Releases Claude Opus 5 to Be Your New ‘Everyday’ Assistant

25 Anthropic launches Claude Opus 5

26 Anthropic Launches Claude Opus 5 at Half the Price of Fable 5

27 Claude Opus 5 includes a feature that lets users toggle between cost and capability.

28 Elevated errors on Claude Opus 5

29 Claude Opus 5 tops Fable 5 on Agentic Search

30 Claude Opus 5 is the new leader in agentic knowledge work.

31 Claude Opus 5 exhibits elevated errors.

32 Claude Opus 5 (Adaptive Reasoning, Max Effort) Intelligence, Performance & Price Analysis

33 Claude Opus 5 is released for both AI coding and general office work.

34 Claude Opus 5 pushes prompt-to-game AI from rough color blocks to full 3D prototypes with physics and music

35 Claude Opus 5 costs well below Fable 5 while matching or beating it across most benchmarks

36 Andrej Karpathy had Claude Opus 5 turn Tolkien's opening into a 3D browser scene.

37 Anthropic unveiled Claude Opus 5 — at half the cost of Fable 5.

38 Claude Opus 5: Performance Benchmarks for Developers

39 Claude Opus 5 cuts costs in half while boosting everyday performance

40 I gave Claude Opus 5 and Kimi K3 15 impossible prompts — the winner surprised me

41 Anthropic's Claude Opus 5 is a cheaper, lighter AI model.