Best chat AI models

35 chat models compared on specs, pricing and community reviews.

Grok 4.3 — xai: Grok 4.3 by xAI is a highly efficient conversational model designed to handle massive datasets with its expansive 1-million-token context window. It offers a hi
Qwen 3 235B — alibaba: Alibaba's Qwen 3 235B is an exceptionally powerful open-weight model optimized for elite multilingual understanding and advanced programming tasks. Built on a m
GPT-5.5 — openai: GPT-5.5 represents OpenAI's next-generation frontier model, specifically optimized for highly complex reasoning, advanced coding tasks, and multi-step analytica
Claude Sonnet 5 — anthropic: Claude Sonnet 5 by Anthropic delivers an exceptional balance of speed and high-tier intelligence, specifically optimized for advanced chat and complex coding ta
GPT-5.6 Luna — openai: GPT-5.6 Luna by OpenAI is a highly efficient chat-based model designed specifically to handle high-volume, cost-sensitive workloads without compromising on mode
Claude Sonnet 4.5 — anthropic: Claude 4.5 Sonnet is Anthropic's premier mid-tier model designed to deliver elite-level reasoning, coding, and comprehension capabilities. It excels at deeply u
Grok 4.5 — xai: Grok 4.5 is xAI's frontier model engineered specifically for advanced coding, complex reasoning, and agentic workflows. Featuring a massive 500k token context w
GPT-5.6 Terra — openai: GPT-5.6 Terra is a balanced powerhouse within OpenAI's latest model family, engineered to deliver a cost-effective blend of advanced intelligence and efficiency
Claude Fable 5 — anthropic: Claude Fable 5 is Anthropic's premier model designed to power highly sophisticated, autonomous, long-running agents. It features a massive 1M-token context wind
Claude Opus 5 — anthropic: Claude Opus 5 is Anthropic's flagship model designed specifically for complex agentic coding and heavy enterprise workloads. Featuring an expansive 1-million-to
DeepSeek V4 Pro — deepseek: DeepSeek V4 Pro is an advanced mixture-of-experts model engineered for high-performance chat and coding tasks, leveraging 1.6 trillion total parameters with onl
Claude Haiku 4.5 — anthropic: Claude Haiku 4.5 is Anthropic's fastest and most cost-effective model, optimized for near-instantaneous response times. It delivers exceptional performance on h
GPT-5.6 Sol — openai: GPT-5.6 Sol represents OpenAI's absolute pinnacle of machine intelligence, specifically engineered to tackle ultra-complex reasoning challenges and autonomous a
GPT-5.4 mini — openai: GPT-5.4 mini is OpenAI's highly efficient and cost-effective model optimized for high-volume automated tasks. It excels in driving specialized coding sub-agents
GPT-5.4 nano — openai: GPT-5.4 nano is OpenAI's highly optimized, lightweight model designed for high-throughput, low-latency text processing tasks. Positioned as the most cost-effect
Gemini 3.5 Flash — google: Google's Gemini 3.5 Flash is a highly optimized, cost-effective model designed specifically for high-speed, high-volume conversational tasks and multi-turn agen
Gemini 3.1 Pro (Preview) — google: Gemini 3.1 Pro is a highly advanced multimodal reasoning model from Google, specifically optimized for complex chat interactions and deep analytical coding. Equ
Mistral Large 3 — mistral: Mistral Large 3 is Mistral AI's premier European frontier model, engineered to deliver top-tier reasoning, advanced coding capabilities, and highly sophisticate
Qwen3.5-397B-A17B — alibaba: Alibaba's Qwen3.5-397B-A17B is the debut model of the Qwen3.5 family, leveraging a massive Mixture of Experts architecture with 397 billion total and 17 billion
Llama 4 Maverick — meta: Llama 4 Maverick is a state-of-the-art natively multimodal Mixture-of-Experts (MoE) model developed by Meta, engineered to excel in high-performance chat and co
Gemini 3.6 Flash — google: Gemini 3.6 Flash is Google's premier speed-optimized model, engineered to deliver rapid responses without sacrificing deep intelligence or coding capabilities.
Llama 4 Scout — meta: Llama 4 Scout by Meta is an efficient Mixture of Experts (MoE) chat model featuring 109 billion total and 17 billion active parameters. It stands out in the lan
GPT-5 — openai: OpenAI's flagship unified model that combines fast responses with built-in deep reasoning, replacing the separate GPT-4o and o-series split. It set new state-of
Gemini 3.1 Flash Lite — google: Gemini 3.1 Flash Lite is Google’s highly optimized, ultra-low-cost model designed for high-throughput text processing and conversational tasks at massive scale.
Claude Opus 4.5 — anthropic: Claude 4.5 Opus is Anthropic's flagship model designed to tackle the most demanding cognitive tasks, offering unmatched depth in reasoning and precision. It is
Llama 4 405B — meta: Llama 4 405B represents Meta's frontier-class open-weights model, offering state-of-the-art general reasoning, coding, and chat capabilities. Designed to compet
Gemini 3 Pro — google: Google's most capable model at launch, with state-of-the-art reasoning and deep multimodal understanding across text, image, audio and video. It powers the Gemi
Llama 4 70B — meta: Meta's Llama 4 70B is the premier sweet spot for open-weights self-hosting, masterfully balancing state-of-the-art conversational quality with a highly manageab
DeepSeek R2 — deepseek: DeepSeek R2 is a highly efficient, reasoning-focused open-weights model designed specifically to excel in complex mathematical synthesis and advanced coding tas
Grok 4 — xai: Grok 4 is xAI's flagship conversational AI, engineered for advanced analytical reasoning and deep conceptual synthesis. Building on its predecessor's strengths,
Qwen3-Max — alibaba: Alibaba's largest Qwen release, a trillion-parameter-scale mixture-of-experts model with a production thinking mode for coding, reasoning and agentic tasks. It
DeepSeek-V3.2 — deepseek: Open-weight successor to V3.2-Exp that introduces DeepSeek Sparse Attention for efficient long-context reasoning and agentic work. A high-compute Speciale varia
Gemini 3.5 Flash-Lite — google: Gemini 3.5 Flash-Lite is Google's most economical general-availability model, specifically optimized for high-volume agentic workflows and data processing. Offe
GLM-4.6 — zhipu ai: Zhipu's upgrade to GLM-4.5, expanding context from 128k to 200k tokens with better agentic, reasoning and coding behaviour. It has become a widely adopted open
Mistral Medium 3 — mistral: An enterprise-focused multimodal model that delivers frontier-level coding, reasoning and vision quality at a fraction of flagship pricing. Mistral positions it