Google’s Gemini surged through 2025, climbing from outside the top 10 at the start of the year to overtake Claude by mid‑September, and finishing the year in a strong second place in the weighted rankings.

Perplexity moved up to the third or fourth position, replacing earlier standings, as Gemini became a formidable competitor and ended the year near the top of the annual rankings.

Market dynamics favored AI tools that efficiently combine multiple capabilities, with a clear emphasis on distinguishing enterprise-grade features from consumer-focused ones.

Usage patterns show workplace adoption: ChatGPT and Claude dominate weekdays, while Grok, Perplexity, and DeepSeek perform better on weekends, signaling a split between professional and consumer use.

ByteDance’s Doubao (Dola/Cici) gained traction outside China, ranking among top generative AI services in markets like Australia, the UK, and several African countries.

ChatGPT’s share in Cloudflare’s internet services ranking grew, peaking at number 33 in late November, signaling rapid AI adoption across the internet.

Industry forecasts project ChatGPT maintaining about a 60% market share this year, with Gemini expected to expand its lead in 2026 as competition intensifies.

In coding assistants, GitHub Copilot rose to sixth place in 2025, while Windsurf AI (formerly Codeium) slipped as consumer-facing chatbots gained momentum.

Grok, led by Elon Musk’s xAI, entered the top 20 by February and peaked in weekend activity, reaching as high as sixth place during October and November.

Anthropic’s Claude rose from a lower top 10 to become the second most-used service on weekdays in peak summer months, reflecting enterprise-focused adoption patterns.

DeepSeek made a rapid breakout, jumping from outside the top 20 to third place in early February and then stabilizing in the top 10 for the rest of the year.

Cloudflare Radar’s year-end review shows OpenAI’s ChatGPT leading GenAI usage, but with rising momentum for Claude, Perplexity, Gemini, and other new entrants.