What is the difference between Claude 3 Haiku and DeepSeek V4 Flash?

Claude 3 Haiku is developed by Anthropic while DeepSeek V4 Flash is developed by DeepSeek. Claude 3 Haiku has a 200K token context window vs DeepSeek V4 Flash's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Haiku or DeepSeek V4 Flash?

It depends on your use case. Claude 3 Haiku and DeepSeek V4 Flash 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 Claude 3 Haiku cost compared to DeepSeek V4 Flash?

Claude 3 Haiku costs $0.25/M input tokens and DeepSeek V4 Flash costs $0.14/M input tokens. DeepSeek V4 Flash is $0.11/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 Claude 3 Haiku and DeepSeek V4 Flash on Rival?

This page shows a side-by-side comparison of Claude 3 Haiku and DeepSeek V4 Flash 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 Apr 2026

Claude 3 HaikuvsDeepSeek V4 Flash

DeepSeek V4 Flash is cheaper than Claude 3 Haiku at $0.14/M vs $0.25/M input tokens.

Claude 3 Haiku and DeepSeek V4 Flash compared across 54 shared prompts
Spec	Claude 3 Haiku	DeepSeek V4 Flash
Input price	$0.25/M tokens	$0.14/M tokens
Output price	$1.25/M tokens	$0.28/M tokens
Context window	200K tokens	1.0M tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Mar 2024	Apr 2026