OpenAI
GPT-6 Astra (medium)
GPT-6 Astra running at medium reasoning effort.
Intelligence
81.5 #17
Top 2% tier
Output Speed
98 t/s
TTFT 380 ms · ITL 10.2 ms/tok
Blended price (3:1)
$20 /1M
In $10/M · Out $50/M
Context
1.1M
≈ 2,750 A4 pages · max out 131,072
Quality Domain Radar
6-Axis Frontier Evaluation vs Category Average & Flagship
GPT-6 Astra (medium)
Claude Mythos Preview (#1)
Average (68)
Radar axes are approximated from category scores where direct benchmark measurements are missing — see Methodology.
API deployment
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Benchmark Results
Model Details
Release date
Sep 3, 2026
Parameters
Not disclosed
License
Proprietary
Context Window
1,100,000 tokens
Input Price
$10/M
Output Price
$50/M
Output Speed
98 t/s
Time to First Token
380 ms
Estimated monthly bill
Estimated monthly spend
$0.00
Calculating savings vs GPT-4o...
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@misc{llmpodium2026gpt6astramedium,
title = {Benchmark Analysis and Intelligence Evaluation of GPT-6 Astra (medium)},
author = {LLMPodium Research},
year = {2026},
url = {https://llmpodium.com/models/gpt-6-astra-medium}
}Embed Score Badge
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