GPT-6 Astra Pro
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on September 30, 2026· 217 models
GPT-6 Astra Pro is the same underlying model as GPT-6 Astra, served with reasoning.mode set to pro for higher-quality responses on complex tasks.
- Reasoning estimated
- Speed estimated
- Input
- Output
- Context
- 1.1 M tokens
- Max output
- 128 K
- Input, $ per 1M tokens
- $10.00
- Output, $ per 1M tokens
- $50.00
- Cache read, $ per 1M
- $1.000
- Batch (input / output)
- $5.00 / $25.00
- Tool calling
- Yes
- Released
- 09/04/2026
- Knowledge cutoff
- —
- API id
- openai/gpt-6-astra-pro
Summary from the data
GPT-6 Astra Pro is a OpenAI model available by API since 09/04/2026. It costs $10.00 per million input tokens and $50.00 per million output tokens, accepts 1.1 M tokens of context and generates up to 128 K tokens per response. Input: PDF / file, image, text; output: text. It has a reasoning mode. It supports tool calling. With 10,000 requests a month of 1,500 input and 400 output tokens it would cost about $350.00 a month.
Compare GPT-6 Astra Pro with…
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- GPT-6 Astra Pro vs DeepSeek V4.1 Flash
- GPT-6 Astra Pro vs Gemini 3.8 Flash
- GPT-6 Astra Pro vs Mistral Medium 3.5
- GPT-6 Astra Pro vs Kimi K3
- GPT-6 Astra Pro vs Qwen3.8 Max Prime
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
The 6 cheapest for this scenario (chat, last 12 months)
- 1Lyria 3 Pro Preview Google$0.00
- 2Lyria 3 Clip Preview Google$0.00
- 3Qwen3.7 Flash Qwen$0.97
- 4DeepSeek V4 Flash 0731 DeepSeek$1.55
- 5Ministral 3 3B 2512 Mistral$1.90
- 6Qwen3.5-Flash Qwen$2.02
Frequently asked questions
How much does GPT-6 Astra Pro cost per million tokens?
GPT-6 Astra Pro costs $10.00 per million input tokens and $50.00 per million output tokens (USD, list price). Cache read: $1.000. Batch tier: $5.00 / $25.00.
What context window does GPT-6 Astra Pro have?
GPT-6 Astra Pro accepts 1.1 M tokens of context per request and generates up to 128 K tokens per response.
Does GPT-6 Astra Pro accept images, audio or files?
Input: PDF / file, image, text. Output: text.
Does GPT-6 Astra Pro have a reasoning mode and tool calling?
It has a reasoning mode. It supports tool calling.
When was GPT-6 Astra Pro released and what is its knowledge cutoff?
GPT-6 Astra Pro has been available by API since 09/04/2026. Knowledge cutoff: not published.
What would an app built on GPT-6 Astra Pro cost?
With 10,000 requests a month of 1,500 input and 400 output tokens, GPT-6 Astra Pro would cost about $350.00 a month at list price, without cache or batch discounts.
What is the API id of GPT-6 Astra Pro?
The id is openai/gpt-6-astra-pro. It is the name passed in the model parameter of the API (or on OpenRouter).
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.