Llm

DeepSeek-V4 (April 2026) is a two-tier MoE family: V4-Pro (1.6T/49B active) and V4-Flash (284B/13B active). Both support 1 million token context, MIT-licensed weights, and thinking/non-thinking modes. The most cost-effective frontier model available.

Grok is xAI's language model with real-time access to X (Twitter) data, offering live news analysis, social insights, and a distinctive personality. Now available at grok.com and bundled with X Premium.

Mistral Large 3 (Dec 2025) is a 675B/41B MoE multimodal model with image understanding, native agentic tool use, and Apache 2.0 licensing. Trained on 3000 H200 GPUs, it delivers frontier-class performance with open-source flexibility.

Perplexity AI combines real-time web search with multi-model orchestration. Now featuring Perplexity Computer (agentic workflows), Deep Research with Opus 4.5, and enterprise integrations for Slack and Teams.

A comprehensive comparison of Perplexity AI and ChatGPT Search as alternatives to Google. We test answer quality, speed, source credibility, and real-time accuracy to determine if AI-powered search has replaced traditional search engines.