Anthropic released Claude 4, featuring improved code generation, debugging, and a larger context window, with new Claude Code capabilities for developers.
ChatGPT mobile app reached $3B in consumer spend within 31 months, up 408% YoY, positioning AI as a subscription utility with app-store potential.
Mozilla announced AI as a major focus for Firefox's future, planning an optional AI Mode in 2026 where users select their preferred AI model.
xAI launched a Grok Voice Agent API for multilingual, tool-using voice agents with industry-leading latency at $0.05/min.
OpenAI launched its ChatGPT app store (formerly connectors), allowing developers to submit apps via a new SDK for integration within ChatGPT.
Gemini 3 Pro leads as the best overall chatbot in December 2025 Text Arena benchmarks, while GPT-5.2 excels in coding with 80% on SWE-bench Verified.
xAI released Grok 4.1 in late November 2025, contributing to the rapid AI model race with weekly frontier model iterations.
Anthropic introduced Claude Opus 4.5 and Claude 4.5, topping benchmarks in web development and integrated rapidly into Microsoft Foundry, GitHub Copilot, and other platforms.
OpenAI released GPT-5.2 on December 11, 2025, in a 'Code Red' response to competitors, described as the most capable model for professional knowledge work, with integrations into partners like Notion and Zoom.
Google launched Gemini 3 on December 10, 2025, featuring a 400,000-token context window, 128,000 max output tokens, and Deep Think mode for advanced 10-15 step reasoning chains.
Market share data as of December 3, 2025, shows Claude AI at 3.80% with 14% quarterly user growth, Google Gemini at 13.40% with 12% growth, positioning them as fast-growing generative AI chatbots.