GPTmoderated

OpenAI: GPT-6 Astra

openai/gpt-6-astra

canonical: openai/gpt-6-astra-20260903

Descriptionfrom OpenRouter

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

Context length

1,050,000 tok

Max completion

128,000 tok

Knowledge cutoff

—

Expires

—

Added to OpenRouter

9/4/2026

Cache last refreshed

11/12/2026

Primary modality

text+image+file->text

Source

OpenRouter

Input modalities

fileimagetext

Output modalities

text

Pricing

Field	Per token (USD)	Per million
prompt	0.00001	$10.0
completion	0.00005	$50.0
web_search	0.01	$10000
input_cache_read	0.000001	$1.00
input_cache_write	0.0000125	$12.5
overrides	[object Object]	—

Supported parameters(11)

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsverbosity

OpenRouter page

OpenAI: GPT-6 Astra

Descriptionfrom OpenRouter

Pricing

Supported parameters(11)

Videos

Rounds