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  5. GPT-6 Astra ProvsSherlock Think Alpha
Updated Sep 2026

GPT-6 Astra ProvsSherlock Think Alpha

GPT-6 Astra Pro is the newer model, released after Sherlock Think Alpha.

GPT-6 Astra Pro and Sherlock Think Alpha compared across 3 shared prompts
SpecGPT-6 Astra ProSherlock Think Alpha
Input price$10/M tokens—
Output price$50/M tokens—
Context window1.1M tokens—
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedSep 2026Nov 2025
Our Verdict
GPT-6 Astra Pro
GPT-6 Astra Pro
Sherlock Think Alpha
Sherlock Think AlphaRunner-up

Not enough votes to call it. On the specs, GPT-6 Astra Pro has the edge: newer, bigger context window, major provider backing.

Too close to call
API pricing

Cost per 1M tokens

GPT-6 Astra Pro
Input
$10.00
Output
$50.00
Sherlock Think Alpha
Input
—
Output
—
Where to run it

2 hosts

GPT-6 Astra Pro2 hosts
HostInOutContextUptime
Azure AI Foundry$10.00 in·$50.00 out·1.1M·99% upOpenAI$10.00 in·$50.00 out·1.1M·99.8% up
Sherlock Think Alpha

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.

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