What is the difference between GPT-6 Astra Pro and Qwen3.8 27B?

GPT-6 Astra Pro is developed by OpenAI while Qwen3.8 27B is developed by Qwen. GPT-6 Astra Pro has a 1.1M token context window vs Qwen3.8 27B's 262K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

Which is better, GPT-6 Astra Pro or Qwen3.8 27B?

It depends on your use case. GPT-6 Astra Pro and Qwen3.8 27B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

How much does GPT-6 Astra Pro cost compared to Qwen3.8 27B?

GPT-6 Astra Pro costs $10/M input tokens and Qwen3.8 27B costs $0.4/M input tokens. Qwen3.8 27B is $9.60/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-6 Astra Pro and Qwen3.8 27B on Rival?

This page shows a side-by-side comparison of GPT-6 Astra Pro and Qwen3.8 27B across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Sep 2026

GPT-6 Astra ProvsQwen3.8 27B

Qwen3.8 27B is cheaper than GPT-6 Astra Pro at $0.4/M vs $10/M input tokens.

GPT-6 Astra Pro and Qwen3.8 27B compared across 6 shared prompts
Spec	GPT-6 Astra Pro	Qwen3.8 27B
Input price	$10/M tokens	$0.4/M tokens
Output price	$50/M tokens	$3/M tokens
Context window	1.1M tokens	262K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Aug 2026

Our Verdict

GPT-6 Astra Pro

Qwen3.8 27BRunner-up

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

Qwen3.8 27B costs 17x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-6 Astra Pro

Input

$10.00

Output

$50.00

Qwen3.8 27B

Input

$0.40

25× cheaper

Output

$3.00

17× cheaper

Qwen3.8 27B is cheaper on both: 25× input, 17× output.

Where to run it

18 hosts, cheapest first

GPT-6 Astra Pro2 hosts

HostInOutContextUptime

Azure AI Foundry$10.00 in$50.00 out1.1M98.9% up OpenAI$10.00 in$50.00 out1.1M99.6% up

Qwen3.8 27B16 hosts

HostInOutContextUptime

DeepInfrabf16$0.15 in$1.88 out262k92.7% up Darkbloomfp4$0.15 in$2.00 out262k99.3% up DekaLLM$0.20 in$2.50 out262k99.3% up Phala$0.20 in$2.13 out262k97.1% up Rekafp8$0.21 in$2.55 out262k99.8% up Parasailfp8$0.24 in$2.20 out262k99.7% up

10 more hosts

AkashMLfp8$0.25 in$2.20 out262k99.8% up Mancerfp8$0.25 in$2.75 out262k98.4% up Ionstreamfp8$0.28 in$2.55 out262k99.3% up io.netfp8$0.30 in$2.80 out66k98.3% up Chutesfp8$0.32 in$2.50 out262k99.5% up CoreWeavefp8$0.40 in$3.00 out262k99.9% up Novita$0.42 in$3.00 out1M99.8% up Alibaba Cloud$0.42 in$2.55 out1M99.8% up Cloudflare Workers AI$0.45 in$3.20 out262k91.2% up Venicefp8$0.45 in$3.20 out262k99.5% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

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More comparisons

Cost per 1M tokens

18 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between GPT-6 Astra Pro and Qwen3.8 27B?

Which is better, GPT-6 Astra Pro or Qwen3.8 27B?

How much does GPT-6 Astra Pro cost compared to Qwen3.8 27B?

How can I compare GPT-6 Astra Pro and Qwen3.8 27B on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

18 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between GPT-6 Astra Pro and Qwen3.8 27B?

Which is better, GPT-6 Astra Pro or Qwen3.8 27B?

How much does GPT-6 Astra Pro cost compared to Qwen3.8 27B?

How can I compare GPT-6 Astra Pro and Qwen3.8 27B on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages