对话大模型Chat Model

Gemini 3.8 FlashGemini 3.8 Flash(Google)

Gemini 3.8 Flash 是 Google 推出的对话大模型,发布于 2026-09。Gemini 3.8 Flash is a Chat Model released by Google, launched on 2026-09.
谷歌 2026-09-02 正式 GA(gemini-3.8-flash)的「最能干」Flash:长程软件工程与自主智能体,DeepSWE v1.1 73.7%、HLE-Verified 54.9%,支持低/中/高三档推理与 1M 上下文。介绍价 $0.75/$3.75 每百万 tokens(缓存 $0.075)持续至 2026-12-31,2027-01-01 起恢复 $1.50/$7.50;注意默认输出更冗长,实际任务成本约高 40%。Google's hardest-working Flash, GA 2026-09-02 (gemini-3.8-flash): long-horizon software engineering and autonomous agents, DeepSWE v1.1 73.7%, HLE-Verified 54.9%, low/med/high reasoning, 1M context. Intro $0.75/$3.75 per M tokens (cache $0.075) through 2026-12-31, then $1.50/$7.50; verbose by default, ~40% higher real task cost.

模型参数与规格Specifications

厂商Google
类型对话大模型
参数规模未公开
开源/闭源闭源
架构未公开
上下文窗口1M
最大输出64K
输入价格$0.75/M tokens
输出价格$3.75/M tokens
语言多语言
发布时间2026-09
评分4.6 / 5
能力chat、function、reasoningchat、function、reasoning
标签对话、高性价比、编码、智能体Chat、Cost-effective、Coding、Agent
优点DeepSWE 73.7% 超多数旗舰、介绍价仅 $0.75/$3.75、1M 上下文 + 三档推理DeepSWE 73.7% beats most flagships、Intro just $0.75/$3.75、1M context + 3 reasoning tiers
注意事项输出冗长,实际成本偏高、首 token 延迟约 13 秒、2027 年起价格翻倍Verbose output, higher real cost、~13s time-to-first-token、Price doubles in 2027
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关于 Gemini 3.8 Flash 的常见问题Frequently Asked Questions about Gemini 3.8 Flash

Gemini 3.8 Flash 是免费的吗?Is Gemini 3.8 Flash free?

Gemini 3.8 Flash 目前以付费 API / 平台调用为主,可关注官方是否提供免费试用额度。Gemini 3.8 Flash is mainly available via paid API/platform calls; watch for official free trial quotas.

Gemini 3.8 Flash 的上下文窗口有多大?How large is Gemini 3.8 Flash's context window?

Gemini 3.8 Flash 的上下文窗口为 1M,适合处理长文档与多轮复杂对话。Gemini 3.8 Flash's context window is 1M, suitable for long documents and multi-turn complex dialogue.

Gemini 3.8 Flash 是开源还是闭源?Is Gemini 3.8 Flash open-source or closed-source?

闭源模型,主要通过官方 API 或平台使用。Closed-source model, mainly available via official API or platform.

Gemini 3.8 Flash 适合用来做什么?What is Gemini 3.8 Flash good for?

Gemini 3.8 Flash 的主要能力包括 chat、function、reasoning,可用于相关场景的创作、分析与自动化任务。Gemini 3.8 Flash's main capabilities include chat、function、reasoning, usable for creation, analysis and automation in related scenarios.