At its inaugural developer conference on Thursday, Anthropic unveiled two new AI models, Claude Opus 4 and Claude Sonnet 4, part of its next-generation Claude 4 family.
The company claims these models are among the most advanced in the industry, capable of long-horizon reasoning, complex task execution, and robust performance on popular programming and math benchmarks.
Claude Opus 4, the flagship model, is designed for in-depth problem-solving across multiple steps, while Claude Sonnet 4 serves as a more accessible alternative with significant upgrades over its predecessor, Sonnet 3.7. Both models are tuned for code writing, editing, and logical reasoning, making them suitable for a range of developer and enterprise use cases.
Users of Anthropic’s free chatbot apps will gain access to Sonnet 4, while Opus 4 will be reserved for paying users, with API access offered via Amazon Bedrock and Google Vertex AI. Pricing is set at $15/$75 per million tokens (input/output) for Opus 4 and $3/$15 for Sonnet 4 — with a million tokens equating to roughly 750,000 words.
The Claude 4 release is part of Anthropic’s broader strategy to scale revenue as it targets $12 billion in earnings by 2027, up from a projected $2.2 billion in 2025. The company, founded by former OpenAI researchers, recently secured $2.5 billion in credit and significant backing from Amazon and other investors to support continued development of its “frontier” models.
According to internal benchmarks, Opus 4 outperforms rivals such as Google’s Gemini 2.5 Pro and OpenAI’s GPT-4.1 on coding tasks like SWE-bench Verified. However, it lags behind OpenAI’s “o3” model in multimodal evaluations like MMMU and GPQA Diamond, which test advanced scientific reasoning.
To mitigate risks, Anthropic is releasing Opus 4 under enhanced safety protocols, including stricter content moderation and cybersecurity measures. The model meets Anthropic’s ASL-3 safety threshold, indicating a heightened ability to assist in the development of weapons of mass destruction — a risk Anthropic acknowledges and is actively working to contain.
Both models are described as “hybrid” systems, capable of instant responses for simple tasks and extended “reasoning mode” for deeper challenges. When reasoning, the models provide summaries of their thought processes, though Anthropic withholds full transparency to protect competitive secrets.
Notably, Opus 4 and Sonnet 4 can use external tools in parallel, extract and retain useful information in memory, and alternate between tool use and reasoning — a setup Anthropic says builds “tacit knowledge” over time.
The company also announced enhancements to Claude Code, its agentic coding tool, including SDK support, IDE integration, and GitHub connectors. Developers can now deploy Claude Code inside VS Code, JetBrains, and use it to respond to GitHub review feedback or correct coding errors automatically.
While acknowledging the limitations of current AI in producing secure and logically sound code, Anthropic is betting on rapid iteration to stay ahead. “We’re shifting to more frequent model updates,” the company said in a draft blog post. “This approach keeps you at the cutting edge as we continuously refine and enhance our models.”
As the AI arms race intensifies, Anthropic’s Claude 4 launch reflects its determination to secure a leading position in the development of high-performance, safe, and commercially viable AI systems.
Anthropic, the AI startup behind the Claude chatbot, unveiled two major updates on Thursday aimed at expanding the utility and performance of its AI platform.
AI startup Anthropic has closed a $3.5 billion funding round led by Lightspeed Venture Partners, pushing its post-money valuation to a staggering $61.5 billion.
San Francisco, CA, February 24, 2025 – Anthropic has launched Claude 3.7 Sonnet, a new frontier AI model that offers users unprecedented control over its reasoning process.
Japanese Prime Minister Shigeru Ishiba strongly condemned Israel’s military attacks on Iran on Friday, calling the strikes “totally intolerable” and warning against further escalation in the region.
Israel’s June 13 strikes on Iran led to the deaths of several high-ranking military officials and prominent nuclear scientists, marking a major escalation in the ongoing hostilities between the two countries.
Senator Bernie Sanders announced plans to introduce legislation prohibiting the use of federal funds for any US military action against Iran without explicit congressional authorization, warning against being drawn into what he called Israeli Prime Minister Netanyahu’s “illegal war.”
Minnesota Governor Tim Walz confirmed that former state House Speaker Melissa Hortman and her husband were fatally shot in what authorities are calling a politically motivated assassination. A second lawmaker, state Senator John Hoffman, and his wife were wounded in the attack.
Ukrainian President Volodymyr Zelenskyy on Saturday said diplomacy alone will not stop Russian President Vladimir Putin, urging stronger financial pressure and suggesting former US President Donald Trump may be the only leader capable of halting Moscow’s aggression.
Pakistan will begin its first freight train service to Russia from Lahore on June 22. The route is part of the INSTC and aims to connect Pakistan's rail network with Central Asia, establishing a new trade corridor via Iran, Turkmenistan, and Kazakhstan.
Start your day informed with AnewZ Morning Brief: here are the top news stories for June 8th, covering the latest developments you need to know.
Presidential candidate Miguel Uribe Turbay is in critical condition after being shot three times — including twice in the head — during a campaign event in Bogotá.
Israeli strikes have reportedly targeted areas near the residences of Iran’s Supreme Leader Ayatollah Ali Khamenei and President Masoud Pezeshkian, according to the New York Times, citing local witnesses.
Mexican President Claudia Sheinbaum has condemned U.S. immigration raids and National Guard deployment in Los Angeles, calling for reforms instead of enforcement.
The National Election Board of Ethiopia (NEBE) has announced a landmark shift in its electoral process, declaring that the general elections scheduled for mid-2026 will be conducted using a fully digital system.
Prime Minister Petteri Orpo has announced Finland's ambition to host a European AI gigafactory. The move aims to boost national growth by building on the success of the LUMI supercomputer, with telecommunications giant Nokia poised to lead the project's business consortium.
British scientists have built more than 3,800 digital replicas of human hearts using AI and clinical data, aiming to revolutionize diagnosis, correct medical bias, and improve patient care.
Rolls-Royce SMR has been named the preferred bidder to develop the UK's first small modular reactors (SMRs) in partnership with the newly renamed Great British Energy – Nuclear. The project aims to bolster the UK's clean energy supply and energy independence.
Microsoft has officially revealed its long-anticipated handheld gaming console, the ROG Xbox Ally, developed in partnership with Asus. This new device aims to provide access to Xbox Game Pass libraries in a portable format, with its release scheduled for the end of 2025.
Japanese Prime Minister Shigeru Ishiba strongly condemned Israel’s military attacks on Iran on Friday, calling the strikes “totally intolerable” and warning against further escalation in the region.
Israel’s June 13 strikes on Iran led to the deaths of several high-ranking military officials and prominent nuclear scientists, marking a major escalation in the ongoing hostilities between the two countries.
Senator Bernie Sanders announced plans to introduce legislation prohibiting the use of federal funds for any US military action against Iran without explicit congressional authorization, warning against being drawn into what he called Israeli Prime Minister Netanyahu’s “illegal war.”
Minnesota Governor Tim Walz confirmed that former state House Speaker Melissa Hortman and her husband were fatally shot in what authorities are calling a politically motivated assassination. A second lawmaker, state Senator John Hoffman, and his wife were wounded in the attack.
Ukrainian President Volodymyr Zelenskyy on Saturday said diplomacy alone will not stop Russian President Vladimir Putin, urging stronger financial pressure and suggesting former US President Donald Trump may be the only leader capable of halting Moscow’s aggression.
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