All Models

GPT 6 Astra Pro

gptReasoningTool CallingAttachmentsStructured Output

GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Providers4
ReleasedSep 4, 2026
Input Modalitiestext, image, pdf
Output Modalitiestext
Tarsk Usecoding

Available Providers (4)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
NanoGPTopenai/gpt-6-astra-pro$10/MTok$50/MTok1.1M128K
Kilo Gatewayopenai/gpt-6-astra-pro$10/MTok$50/MTok1.1M128K
OpenRouteropenai/gpt-6-astra-pro$10/MTok$50/MTok1.1M128K
Venice AIopenai-gpt-6-astra-pro$12.50/MTok$62.50/MTok1.1M128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output