GPT-6 Astra Pro

gpt-6-astra-pro

GPT-6 Astra Pro uses the same underlying model as GPT-6 Astra, but runs with reasoning.mode set to pro for higher-quality responses on complex tasks. Optimized for deeper reasoning, greater accuracy, and more reliable multi-step execution, it is well suited for demanding coding, analysis, and agentic workflows where solution quality takes priority over speed and cost.

Context: 1M tokens
Endpoint

Pricing

Input$10.00 / 1M

Output$50.00 / 1M

Cache Write (5m)$10.00 / 1M

Cache Write (1h)$10.00 / 1M

Cache Read$10.00 / 1M

Web Search$0 / 1M

Quick Start

Select an endpoint and copy a working example for this model.

Endpoint

python

from openai import OpenAI client = OpenAI(    api_key="YOUR_API_KEY",    base_url="https://api.apertis.ai/v1") response = client.chat.completions.create(    model="gpt-6-astra-pro",    messages=[        {"role": "user", "content": "Hello!"}    ],    max_tokens=1024,    temperature=0.7) print(response.choices[0].message.content) # Optional: Enable context compression to reduce token usage# response = client.chat.completions.create(#     model="gpt-6-astra-pro",#     messages=[{"role": "user", "content": "Hello!"}],#     extra_body={"compression": {"enabled": True, "model": "gpt-4.1-mini"}}# )

Supported Parameters

API docs

Common7 params

modelmessagesmax_tokenstemperaturetop_pstreamtools

Extended4 params

reasoning_effortstream_optionsthinkingextra_body

Cursor IDE Model IDs

Use these namespaced identifiers in Cursor IDE to avoid conflicts with built-in models.

gpt-6-astra-pro

Questions about GPT-6 Astra Pro

How much does GPT-6 Astra Pro cost on Apertis?

GPT-6 Astra Pro costs $10.00 per 1M input tokens and $50.00 per 1M output tokens on Apertis.

What is GPT-6 Astra Pro's context window?

GPT-6 Astra Pro has a context window of 1M tokens.

Which company develops GPT-6 Astra Pro?

GPT-6 Astra Pro is developed by OpenAI.

Which model ID do I use to call GPT-6 Astra Pro?

Use the model ID gpt-6-astra-pro to call GPT-6 Astra Pro.

Compare with Other Models

See how this model compares to others from the same provider.

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GPT-6.1 Terra is OpenAI’s mid-tier model in the GPT-6.1 series, designed to balance capability, speed, and cost efficiency. Positioned below GPT-6.1 Sol, it delivers strong performance across everyday agentic workflows, coding, and professional writing, with particular strengths in screenshot understanding and on-screen content analysis. Optimized for high-volume production workloads, GPT-6.1 Terra is well suited for coding assistants, visual interface analysis, workflow automation, and scalable agentic applications that require reliable performance at an accessible cost.

Context: 1M
Input: $1.00/M
Output: $5.00/M

GPT-6.1 Sol

GPT-6.1 Sol is an upgraded high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra. It is optimized for agentic coding, computer use, document-heavy professional work, and multi-step business automation, delivering near-Astra-level capability at significantly lower cost. Compared with GPT-6 Sol, it offers improved factual reliability and stronger adherence to explicit constraints and user intent, making it well suited for complex, long-running agentic workflows where accurate and dependable execution is critical.

Context: 1M
Input: $2.00/M
Output: $10.00/M

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Context: N/A
Input: — (Not priced per input token)
Output: — (Not priced per output token)

GPT-6 Luna Pro

GPT-6 Luna Pro uses the same underlying model as GPT-6 Luna, but runs with reasoning.mode set to pro for higher-quality responses on complex tasks. It combines Luna's speed and cost efficiency with deeper reasoning and more reliable multi-step execution, making it well suited for advanced coding, computer use, and agentic workflows where higher solution quality is needed without moving to a larger GPT-6 tier.

Context: 1.1M
Input: $0.10/M
Output: $0.50/M