In August 2025 OpenAI released GPT-5 powering ChatGPT, claiming fewer factual errors, stronger coding ability, and new agent-like capabilities such as calendar access and email drafting. Anthropic rolled out Claude 4 in May 2025 and Claude 4.1 in August 2025, delivering extremely large context windows (hundreds of thousands of tokens) and adding Claude Code for…
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Grok is Elon Musk’s xAI chatbot built on the Grok LLM family, with Grok-4 released in July 2025 and Grok-3 trained in a 200,000-GPU data center codenamed Colossus, plus built-in web search by late 2024 and multimodal image generation via Aurora. Grok-4 is integrated into Tesla vehicles as an onboard voice assistant as of July…
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In May 2025, Anthropic released Claude 4 as Claude Sonnet 4 and Claude Opus 4, introducing a 200K+ token context window, code execution, and agentic tool use with a new Files API. Claude 2.1, released in November 2023, expanded the context to 200K tokens, cut hallucinations by about 2x, and added beta support for tool…
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