Timeline
ChatGPT nearing 1 billion weekly active users, 7 months after original internal deadline
OpenAI launched dreaming memory system for ChatGPT that retains user preferences across sessions
OpenAI merged Codex into ChatGPT
Gemini introduces data import feature allowing users to transfer chat history and preferences from other AI platforms
Gemini market share reached 27.7%.
ChatGPT market share fell below 50% for first time to 46.4%.
Achieved 92.3% recall@10 on visual product search benchmark, beating ResNet50 and SigLIP
Gemini launches ability to create Google Docs, Sheets, Slides, and PDFs directly in chat
Study reveals Gemini amplifies political polarization and exhibits biases in content curation
Gained significant market share, now holding 25% of generative AI traffic
Ecosystem
Gemini
ChatGPT
Evidence (15 articles)
CollectivIQ's Crowdsourced AI Approach: Can Aggregating Multiple LLMs Solve Hallucination Problems?
Mar 4, 2026Meta Enters the AI Shopping Arena: How Meta AI's New Feature Could Reshape E-Commerce
Mar 3, 2026SamarthyaBot: The Self-Hosted AI Agent OS That Puts Privacy and Automation First
Mar 5, 2026Shopify opens AI sales channels to all merchants as ChatGPT drives 20% of Walmart referral traffic
Jun 18, 2026Retail traffic from LLMs surged 393% year-on-year, reports CX Network
Apr 24, 2026Decoy Font Tricks AI Vision Models With Dual-Layer Glyphs
Jul 23, 2026ChatGPT's AI Traffic Share Falls to 57% as Gemini Hits 25%, Claude at 6%
Apr 16, 2026Beyond the Leaderboard: How Tech Giants Are Redefining AI Evaluation Standards
Feb 27, 2026+ 7 more articles