GPT-6 Astra (batch)

OpenAI· released 4 Sept 2026

openai/gpt-6-astra:batch

Input / 1M tokens: $5
Output / 1M tokens: $25

Context window1.1M tokens

Longest answer: 128K tokens

reads filereads imagereads texttool callingvisionreasoning

About

GPT-6 Astra (batch) is an OpenAI model for demanding end-to-end work. Its listed uses include advanced analysis, software engineering, deep research, scientific work, and document creation. The model supports text output and accepts file, image, and text inputs. It provides vision, reasoning, and tool support. Its context window is 1,050,000 tokens, with a maximum output of 128,000 tokens. The model identifier is openai/gpt-6-astra:batch, and it belongs to the openai family. Input processing is priced at 5 USD per 1M tokens, while output costs 25 USD per 1M tokens. GPT-6 Astra (batch) was released and created on 2026-09-04. The official listing is available through OpenRouter.

Who it is for

It suits teams handling advanced analysis, software engineering, research, scientific work, or document creation. Its large context window and file, image, and text inputs fit workflows with substantial mixed-source material.

What is good

1,050,000-token context window
128,000-token maximum output
Supports files, images, and text
Vision, reasoning, and tools included

What to know first

Output costs 25 USD per 1M tokens
Text is the listed output modality

Verdict

GPT-6 Astra (batch) combines a very large context window with vision, reasoning, tools, and mixed input support. Its listed pricing separates 5 USD input tokens from 25 USD output tokens, so output volume matters when planning usage.

Details

Lab: OpenAIopenrouter.ai · 3 Oct 2026
Context: 1,050Kopenrouter.ai · 3 Oct 2026
Input price: $5 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $25 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 128,000 tokensopenrouter.ai · 3 Oct 2026
Inputs: file, image, textopenrouter.ai · 3 Oct 2026
Open weights: Noopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/openai/gpt-6-astra:batch· checked 3 Oct 2026