LLM Usage Limits 2026: ChatGPT vs. Claude vs. Gemini vs. Grok vs. Perplexity (Full Comparison)

Infographic comparing LLM usage limits in 2026 across five AI platforms: ChatGPT GPT-5.4 with approximately 150 messages per 3-hour rolling window, Claude with approximately 45 messages per 5 hours, Gemini with 1 million token context, Grok with 10 messages per 2 hours, and Perplexity Pro with 300+ multi-model searches per day.

Claude Code’s weekly limits reset on 14 September — a permanent +25% that lands about 17% below today’s level — and Grok 4.6 and Gemini 3.7 Flash both shipped in August. Every plan, price, and limit across the five major AI assistants, re-checked against official sources on 1 September 2026.