What is the difference between GPT-6 Astra Pro and Kimi K2.7 Code?

GPT-6 Astra Pro is developed by OpenAI while Kimi K2.7 Code is developed by Moonshot AI. GPT-6 Astra Pro has a 1.1M token context window vs Kimi K2.7 Code'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 Kimi K2.7 Code?

It depends on your use case. GPT-6 Astra Pro and Kimi K2.7 Code 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 Kimi K2.7 Code?

GPT-6 Astra Pro costs $10/M input tokens and Kimi K2.7 Code costs $0.95/M input tokens. Kimi K2.7 Code is $9.05/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 Kimi K2.7 Code on Rival?

This page shows a side-by-side comparison of GPT-6 Astra Pro and Kimi K2.7 Code 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 ProvsKimi K2.7 Code

Kimi K2.7 Code is cheaper than GPT-6 Astra Pro at $0.95/M vs $10/M input tokens.

GPT-6 Astra Pro and Kimi K2.7 Code compared across 6 shared prompts
Spec	GPT-6 Astra Pro	Kimi K2.7 Code
Input price	$10/M tokens	$0.95/M tokens
Output price	$50/M tokens	$4/M tokens
Context window	1.1M tokens	262K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Jun 2026

Our Verdict

GPT-6 Astra Pro

Kimi K2.7 CodeRunner-up

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

Kimi K2.7 Code costs 13x less per token.

Too close to call

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

Kimi K2.7 Code

Input

$0.95

11× cheaper

Output

$4.00

13× cheaper

Kimi K2.7 Code is cheaper on both: 11× input, 13× output.

Where to run it

16 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

Kimi K2.7 Code14 hosts

HostInOutContextUptime

DeepInfrafp4$0.68 in$3.40 out262k99.5% up Inceptronint4$0.71 in$3.21 out262k99.8% up CoreWeaveint4$0.71 in$3.50 out262k99.6% up StreamLake$0.71 in$3.00 out256k99.6% up Veniceint4$0.75 in$3.50 out256k94.4% up ModelRunfp4$0.85 in$3.75 out262k99.9% up

8 more hosts

SiliconFlowfp8$0.86 in$3.80 out262k98.4% up Novitaint4$0.91 in$3.84 out262k99.9% up Alibaba Cloudfp8$0.95 in$4.00 out262k100% up Basetenfp4$0.95 in$4.00 out262k100% up Cloudflare Workers AI$0.95 in$4.00 out262k100% up Fireworks$0.95 in$4.00 out262k93.3% up GMI Cloudfp8$0.95 in$4.00 out262k99.9% up Moonshot AIint4$0.95 in$4.00 out262k100% 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

16 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between GPT-6 Astra Pro and Kimi K2.7 Code?

Which is better, GPT-6 Astra Pro or Kimi K2.7 Code?

How much does GPT-6 Astra Pro cost compared to Kimi K2.7 Code?

How can I compare GPT-6 Astra Pro and Kimi K2.7 Code on Rival?

More comparisons

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Model pages

Cost per 1M tokens

16 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between GPT-6 Astra Pro and Kimi K2.7 Code?

Which is better, GPT-6 Astra Pro or Kimi K2.7 Code?

How much does GPT-6 Astra Pro cost compared to Kimi K2.7 Code?

How can I compare GPT-6 Astra Pro and Kimi K2.7 Code on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages