OpenAI model

GPT-6 Astra

GPT-6 Astra is a OpenAI model listed in the NextModel catalog for image understanding, multimodal chat workloads. Its listed price is Starting at $10 / 1M tokens input and $50 / 1M tokens output, with a 1.1M token context window.

Read quickstartEstimate cost
OpenAIPlatform curatedCatalog
ThinkingStreamingComputer UseFunction Calling
Input priceStarting at $10 / 1M tokens
Output price$50 / 1M tokens
Context length1.1M tokens
Max output8.2k tokens
Input lengthInput / 1MOutput / 1MCache hit / 1M
— - 272k$10$50$1
> 272k$20$75$2

What is GPT-6 Astra in NextModel?

GPT-6 Astra is a OpenAI model listed in the NextModel catalog for image understanding, multimodal chat workloads. Its listed price is Starting at $10 / 1M tokens input and $50 / 1M tokens output, with a 1.1M token context window.

GPT‑6 Astra 是 OpenAI 于 2026 年 9 月 3 日发布的新一代旗舰大模型，代号 Astra 源自拉丁语，意为 “星辰”，官方定位为**全球最智能、对齐度最高的 AI 模型**，核心转向智能体代理，重点强化计算机自主操作能力，不再局限于单纯对话问答

Best use cases

  • image understanding
  • multimodal chat

OpenAI-compatible code example

request.sh
curl https://api.nextmodel.app/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $NEXTMODEL_API_KEY" \
  -d '{"model":"openai/gpt-6-astra","messages":[{"role":"user","content":"Reply with OK."}]}'

Switching models only changes the model field.

Try it in the playground

Similar alternatives

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GPT-4.1

GPT-4.1 多模态模型，支持最高 1M token 上下文窗口。在编码、指令遵循和长上下文理解方面大幅提升，支持文本和图像输入，适用于大规模文档处理和复杂代码任务。

$2 / 1M tokensInput$8 / 1M tokensOutput1MContext
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GPT-4.1 Mini

GPT-4.1 轻量版，1M token 上下文窗口，在保持强大编码和推理能力的同时大幅降低成本。适合高吞吐量场景和对延迟敏感的应用。

$0.4 / 1M tokensInput$1.60 / 1M tokensOutput1MContext
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GPT-4.1 Nano

GPT-4.1 超轻量版，1M token 上下文窗口，极低成本和延迟。支持多模态输入，适合分类、自动补全、标签提取等轻量级任务。

$0.1 / 1M tokensInput$0.4 / 1M tokensOutput1MContext
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Compare GPT-6 Astra

GPT-6 Astra vs GPT-4.1GPT-6 Astra vs GPT-4.1 MiniGPT-6 Astra vs GPT-4.1 NanoGPT-6 Astra vs GPT-4oGPT-6 Astra vs GPT-4o-mini

Reading

Articles that explain GPT-6 Astra

FAQ

GPT-6 Astra API questions