OpenAI's assistant built on the GPT model family. One of the most widely used AI products, with custom instructions, optional memory, file uploads, web browsing, voice, and project workspaces.
最适合: All-round assistant with strong persistent personalization (Custom Instructions + Memory + Projects).
| 模型 | GPT model family (multiple tiers) |
|---|---|
| 免费计划 | Yes, capable free tier |
| 付费方案 | Paid subscriptions add stronger models and higher limits |
| API | Yes (OpenAI API, separate from the consumer app) |
| 自定义指令 | Yes, Custom Instructions (persistent), plus per-Project instructions |
| 记忆 | Yes, optional cross-chat memory |
| 文件上传 | Yes |
| 网络搜索 | Yes |
| 上下文窗口 | Model-dependent; large on current tiers |
| 应用 | Web · iOS · Android · Windows · macOS |
事实最后审核时间 2026-08-10, 功能与方案频繁变动，使用前请以官方网站信息为准。
模型、限制与定价
| 当前模型 | GPT-5.6 Sol, flagship, frontier model for complex professional work GPT-5.6 Terra, balances intelligence and cost GPT-5.6 Luna, cost-optimised; default model for Free and Go GPT-5.5 and GPT-5.5 Pro, still selectable GPT-5.4 / GPT-5.4 Pro / GPT-5.4 mini / GPT-5.4 nano, legacy picker entries |
|---|---|
| 上下文窗口 | 1,050,000 tokens (GPT-5.6 Sol / Terra / Luna); 128k max output |
| 参数 | Not disclosed 多数封闭前沿模型不公布参数量；我们不会重复未经证实的数字。 |
| 输入模态 | Text + image in; text out; voice mode; image and video gen via tools |
| 消费者定价 |
|
| API 定价 | gpt-5.6-sol: $5.00 / 1M input, $30.00 / 1M output |
定价与模型阵容已核实 2026-08-11 来自 来源 1 ↗ · 来源 2 ↗ · 来源 3 ↗. 此类内容变动频繁，请以供应商官方页面为准。
值得关注
- Custom GPTs let you package a prompt as a reusable assistant
- Projects group chats with shared instructions and files
适合在此运行的 Agents
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