What is the difference between DeepSeek V3 (March 2024) and GPT-6 Astra?

DeepSeek V3 (March 2024) is developed by DeepSeek while GPT-6 Astra is developed by OpenAI. DeepSeek V3 (March 2024) has a 128K token context window vs GPT-6 Astra's 1.1M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V3 (March 2024) or GPT-6 Astra?

It depends on your use case. DeepSeek V3 (March 2024) and GPT-6 Astra each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does DeepSeek V3 (March 2024) cost compared to GPT-6 Astra?

DeepSeek V3 (March 2024) costs $0.14/M input tokens and GPT-6 Astra costs $10/M input tokens. DeepSeek V3 (March 2024) is $9.86/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 DeepSeek V3 (March 2024) and GPT-6 Astra on Rival?

This page shows a side-by-side comparison of DeepSeek V3 (March 2024) and GPT-6 Astra 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

DeepSeek V3 (March 2024)vsGPT-6 Astra

DeepSeek V3 (March 2024) is cheaper than GPT-6 Astra at $0.14/M vs $10/M input tokens.

DeepSeek V3 (March 2024) and GPT-6 Astra compared across 54 shared prompts
Spec	DeepSeek V3 (March 2024)	GPT-6 Astra
Input price	$0.14/M tokens	$10/M tokens
Output price	$0.28/M tokens	$50/M tokens
Context window	128K tokens	1.1M tokens
Weights	Open	Closed
Free API (OpenRouter)	No	No
Released	Mar 2024	Sep 2026