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Llama 3.3 70B 指南（2026 回看）：以 70B 体量逼近 405B 指令质量（Meta 官方口径）是它的历史意义。三条运行路径（Ollama/托管 API/自托管 vLLM）、许可要点、强弱项，以及 Llama 4 时代它仍被部署的原因与开源模型评估方法论。

Gemini 2.5 Pro 指南（2026）：默认思考（可控预算）+ 1M 长上下文 + 原生多模态定义了它的赛道。含 API 用法、长上下文纪律（lost in the middle）、上下文缓存、OpenAI 兼容层接多供应商路由，以及现在的版本定位。规格以官方页为准。

Claude 4 Opus (2026-03): Complete Guide What's New in Claude 4 Opus 2026-03 The latest version of **Claude 4 Opus** brings significant improvements: frontier capability, hybrid reasoning mode. This release represents a major step forward in AI cap

Llama 4 Scout (2026-04): Complete Guide What's New in Llama 4 Scout 2026-04 The latest version of **Llama 4 Scout** brings significant improvements: mixture of experts, 10M token context. This release represents a major step forward in AI capabili

DeepSeek V3 API Complete Guide 2026 Overview **DeepSeek V3** by **DeepSeek** is a leading AI model in 2026, renowned for its excellence in coding, mathematics, and cost efficiency. This guide covers everything from API setup to production deploymen

Claude 4 Opus API Complete Guide 2026 Overview **Claude 4 Opus** by **Anthropic** is a leading AI model in 2026, renowned for its excellence in long-form writing, analysis, and safety. This guide covers everything from API setup to production deplo

Llama 4 API Complete Guide 2026 Overview **Llama 4** by **Meta AI** is a leading AI model in 2026, renowned for its excellence in open-source local deployment. This guide covers everything from API setup to production deployment. Model Highlights

Mistral Large 3 API Complete Guide 2026 Overview **Mistral Large 3** by **Mistral AI** is a leading AI model in 2026, renowned for its excellence in European compliance and efficiency. This guide covers everything from API setup to production deplo

Phi-4 API Complete Guide 2026 Overview **Phi-4** by **Microsoft** is a leading AI model in 2026, renowned for its excellence in edge deployment and on-device AI. This guide covers everything from API setup to production deployment. Model Highlight

Qwen 3 72B API Complete Guide 2026 Overview **Qwen 3 72B** by **Alibaba** is a leading AI model in 2026, renowned for its excellence in multilingual tasks and open-source coding. This guide covers everything from API setup to production deployment.

Command R+ API Complete Guide 2026 Overview **Command R+** by **Cohere** is a leading AI model in 2026, renowned for its excellence in enterprise RAG and grounded responses. This guide covers everything from API setup to production deployment. Mod

Grok 3 API Complete Guide 2026 Overview **Grok 3** by **xAI** is a leading AI model in 2026, renowned for its excellence in real-time web data and X platform integration. This guide covers everything from API setup to production deployment. Model

Gemini 2.5 Ultra API Complete Guide 2026 Overview **Gemini 2.5 Ultra** by **Google DeepMind** is a leading AI model in 2026, renowned for its excellence in multimodal tasks and 2M context window. This guide covers everything from API setup to produ

GPT-5 API Complete Guide 2026 Overview **GPT-5** by **OpenAI** is a leading AI model in 2026, renowned for its excellence in multimodal reasoning and coding. This guide covers everything from API setup to production deployment. Model Highlights |

Claude 3.5 Haiku (2025-10): Complete Guide What's New in Claude 3.5 Haiku 2025-10 The latest version of **Claude 3.5 Haiku** brings significant improvements: fastest Claude, ultra-low latency responses. This release represents a major step forward

Gemini 2.0 Flash (2025-12): Complete Guide What's New in Gemini 2.0 Flash 2025-12 The latest version of **Gemini 2.0 Flash** brings significant improvements: multimodal live API, real-time streaming. This release represents a major step forward in