News

Anthropic's free Claude 4 Sonnet aced my coding tests - but its paid Opus model somehow didn't
The $20/month Claude 4 Opus failed to beat its free sibling, Claude 4 Sonnet, in head-to-head testing. Here's how Sonnet ...
Anthropic Releases Claude 4: What’s Improved in AI Models Sonnet & Opus
Free, Pro, Max, Team, and Enterprise Claude plans can access Claude Sonnet 4 and Opus 4 now, with an extended thinking mode ...
Anthropic’s Claude Opus 4 and Sonnet 4 Set a New Benchmark in AI Coding
Anthropic's new Claude Opus 4 and Sonnet 4 AI models deliver state-of-the-art performance in coding and agentic workflows.
Anthropic launches new frontier models: Claude Opus 4 and Sonnet 4
Large language model developer Anthropic PBC today rolled out its newest Claude 4 frontier models, starting with Opus 4 and ...
Anthropic's new Claude Opus 4 can run autonomously for seven hours straight
Claude Opus is Anthropic's largest version of the model family with more power for longer, complex tasks, whereas Sonnet is ...
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Anthropic's Claude Opus 4 runs nonstop for over six hours with mind-blowing stamina
Anthropic has its own news to offer following a hectic week filled with announcements from Google and OpenAI. Anthropic ...
Claude 4 Sonnet, Opus AI models released with enhanced coding capabilities
Anthropic claims Claude Opus 4 can compete with GPT-4.1 and Gemini 2.5, while Sonnet 4 outperforms its predecessor in ...
Anthropic overtakes OpenAI: Claude Opus 4 codes seven hours nonstop, sets record SWE-Bench score and reshapes enterprise AI
Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and record-breaking 72.5% SWE-bench score, transforming AI from quick-response tool to ...
Anthropic unveils Claude Opus 4 and Sonnet 4, featuring whistleblowing capability: What it means for users
Anthropic has introduced two advanced AI models, Claude Opus 4 and Claude Sonnet 4, designed for complex coding tasks.