News about Claude Opus 5.5
All our analysis about Claude Opus 5.5 (Anthropic), newest first.
- Choosing a chatbot for studying is no longer about models but about how you use it: an Irish guide reveals the real dilemma
- Claude writes code and mathematically proves it is safe, according to Anthropic and Theorem
- Claude Duet brings Anthropic's agent to small businesses: the agent war is no longer just about consumers
- Anthropic unveils Claude Duet: a proactive agent that works for you, even when you're away
- Anthropic launches Claude Duet, its agent for professionals and small businesses, built on Claude Opus 5.5
- Claude on Google Cloud: the real choice is no longer the model, but who processes your data
- Claude Duet: Anthropic brings the proactive agent to professionals, and trust will be the challenge
- Replit makes OpenAI its default provider instead of Anthropic, says its CEO, though Anthropic offers nuance
- Tree Appreciator: a 3D-tree 'spot the difference' game built with Claude
- DeepSeek V4.1-Flash at 20 cents, Anthropic's workforce and ChatGPT ads
- Replit makes OpenAI its default instead of Anthropic: the model is interchangeable, the value is in the agent
- Rebuilding Modern Warfare 2 with 17 AI agents: byte-by-byte verification matters more than the model, and the real cost is hidden
- Anthropic brings in $16.8 billion in Q3, but growth slows ahead of its planned November IPO
- Anthropic says it has cut data extraction via illicit distillation of Claude by 90% to 99%
- Meta launches Muse Wonder and Muse Wonder Full, models it says rival the best and that will soon power its Muse agent
- Meta launches Muse Wonder and Muse Wonder Full, its first frontier AI models
- Meta enters the frontier with Muse Wonder: the data comes from Artificial Analysis, the challenge is sustaining pace and trust
- Anthropic launches Claude Haiku 5.5: its fastest, cheapest and most capable small model to date
- 3JSBench: the benchmark that reveals why AI still can't rest a lamp on a table in 3D
- Anthropic, Google and Mistral refresh their AI lineups at once: efficiency wins, not brute force
- Anthropic expands its Cyber Verification Program with three levels of access for security teams
- Claude Haiku 5.5: Anthropic launches its fastest, cheapest small model for high-volume tasks
- Anthropic opens up access to its cybersecurity AI and cuts Haiku's price under pressure from Chinese open models
- Claude subscriptions deliver up to 5 times more value than OpenAI's, according to SemiAnalysis
- Anthropic opens its most powerful models to vetted cybersecurity teams: 129,000 flaws found and a tiered governance trial
- SemiAnalysis finds Claude delivers 5 times more value than ChatGPT per subscription after OpenAI's cutback
- Beam, Reflection AI's new 501-billion-parameter open-weight model
- The dot and the swarm: why orchestrating AI agents turned out to be the easy problem
- Opus 5.5 and model ergonomics: why steering AI well matters more than raw intelligence
- The Sequence: Opus 5.5, DeepSeek's environments paper and the rise of sustained agentic work
- YouTube blocks access: the content of the short 'What People Are Building With Opus 5.5' could not be extracted
- Anthropic launches Sonnet 5.5, its second model in a week, as the call to slow down stays on paper
- Claude Sonnet 5.5 leaks just before OpenAI's DevDay: Anthropic plays the calendar card
- DeepSeek Elastic Compute (DSec): A Sandbox Infrastructure for Effective Agentic Training at Scale
- Just-in-Time Memory: Learning to Curate Task-Adaptive Memory for LLM Agents
- Schrödinger's Code Repository: Have LLMs Learned SWE-bench or Memorized It?
- The Tasteful Agent: Measuring and Improving Taste in Long-Horizon Tasks
- Verifiable Hidden Dynamics Play: Generating Agentic RL Environments from Solved Mechanisms
- Musk admits Grok is three years behind Anthropic, while touting an agent growing 100% a month
- Opus 5.5 Sets New AI Frontier
- The software, not the model, decides whether an AI agent wrecks your Excel: an open source fork proves it
- Anthropic and OpenAI launch cheaper models amid controversy over AI safety
- Anthropic and OpenAI cut prices on Opus and GPT-6: the race is no longer just about intelligence, it's about price
- xAI unveils Grok 4.7: more power for coding and knowledge work at the same price as Grok 4.6
- Have the big AI labs confused alignment safety with cybersecurity?
- Huang declares the AGI era with GPT-6 Astra: the one selling the chips is not a neutral referee
- OpenAI launches GPT-6 Astra and proclaims the start of the 'AGI era'
- Runway unveils Solaris, a world model that generates interfaces in real time, frame by frame
- GPT-6 Astra and the work you no longer see being done
- ChatGPT, Claude and Grok went down at once: companies need a contingency plan for AI outages
- ChatGPT, Claude and Grok go down together in an unusual simultaneous outage, with Gemini also affected
- Anthropic launches Claude Fable 5.1 and Mythos 5.1: more performance, lower cost and first scientific advances
- Anthropic triples revenue to $30B and nears an IPO, with Claude caught between lawsuits and export controls
- Anthropic launches Claude Opus 5: close to Fable 5's frontier intelligence at half the price
- Claude Opus 5 Stuns Benchmarks
- Opus 5: Anthropic makes its frontier intelligence cheaper and shields against dual-use risk after Mythos 5
- Opus 5 doesn't aim to beat Fable: Anthropic chooses to make AI cheaper against China's Kimi K3 push
- Anthropic debuts Opus 5 at half the price of Fable 5, the same week the U.S. debates banning Chinese open AI