C

ChatGPT

The most versatile AI assistant — GPT-5.5 Instant (default since May 5), GPT-5.5 Thinking, GPT-5.5 Pro, Codex, Deep Research, Agent Mode, ChatGPT Images 2.0.
9/10Updated June 21, 2026
C

Claude

The writer's AI — Opus 4.8, Sonnet 4.6, plus Claude Fable 5 and Mythos 5, 1M context window, and unmatched prose quality.
9/10Updated June 21, 2026
G

Gemini

Google's ecosystem AI — Workspace integration, Gemini 3.5 Flash + Omni, Veo video gen, Spark agents, and deep Android integration.
8/10Updated June 21, 2026
P

Perplexity

The research engine — cited answers, Comet browser, Perplexity Computer in Microsoft 365, 19-model orchestration, best value in AI.
8/10Updated June 21, 2026