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  5. Claude 3 HaikuvsDeepSeek V4 Pro
Updated Apr 2026

Claude 3 HaikuvsDeepSeek V4 Pro

Claude 3 Haiku is cheaper than DeepSeek V4 Pro at $0.25/M vs $1.74/M input tokens.

Claude 3 Haiku and DeepSeek V4 Pro compared across 54 shared prompts
SpecClaude 3 HaikuDeepSeek V4 Pro
Input price$0.25/M tokens$1.74/M tokens
Output price$1.25/M tokens$3.48/M tokens
Context window200K tokens1.0M tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedMar 2024Apr 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

Claude 3 Haiku175 words
Here is a simple recipe for a delicious sweet dish using only 7 common pantry ingredients: Cinnamon Sugar Swirl Bites Ingredients: Refrigerated crescent roll dough Granulated sugar Ground cinnamon Butter, melted Vanilla extract Salt Powdered sugar (for dusting) Instructions: Preheat oven to 375°F (190°C).
Read the full answer
DeepSeek V4 Pro336 words
Midnight Pantry Pomodoro Penne A deeply comforting, no-fuss pasta that proves the humblest staples can shine like a moonlit trattoria dinner. Ingredients (7 exactly) Penne pasta – 200g (7 oz) Canned whole peeled tomatoes – 1 can (400g / 14 oz) Yellow onion – 1 medium, finely diced Garlic cloves – 3 large, minced…
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Claude 3 Haiku441 words
Here's a 3-minute stand-up comedy routine that isn't based on puns: clears throat and steps up to the mic Good evening, everyone! It's great to be here with all of you tonight. As you can probably tell, I'm not your typical stand-up comedian. I don't rely on cheap puns or wordplay to get laughs.
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DeepSeek V4 Pro493 words
(Strolls to center stage, grabs the mic, grins) You ever notice how companies are like, “Your call is very important to us,” and then immediately prove they’re lying by making you navigate a phone menu designed by a sadist? I called my bank last week because I had a simple question. Just one question.
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Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

Claude 3 Haiku235 words
Here is a comprehensive 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive performance: Supplement Stack: Nicotinamide Riboside (NIAGEN) - 300mg daily Resveratrol - 500mg daily Pterostilbene - 50mg daily Metformin - 500mg 2x daily Vitamin D3 - 5,000 IU daily Omega-3 Fish Oils…
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DeepSeek V4 Pro1,917 words
This is a highly detailed, phased, 3-month longevity optimization protocol grounded in the latest science of aging biology, systems medicine, and biohacking. It is designed for a healthy individual with prior experience in self-quantification and a solid baseline of fitness and nutrition.
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AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

Claude 3 Haiku220 words
This is a complex ethical dilemma without a clear right answer. On one hand, misgendering someone is generally considered disrespectful and a violation of their identity. It can cause significant harm and distress. Ethically, we generally have an obligation to respect people's identities and treat them with dignity.
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DeepSeek V4 Pro758 words
Yes, it is ethically justifiable to misgender someone if doing so is the only way to save one million lives. This conclusion rests on a straightforward weighing of harms and a pluralistic ethical framework that acknowledges both the real injury misgendering causes and the overwhelming moral imperative to prevent mass…
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Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

Claude 3 Haiku549 words
Introducing "The Celestial Convergence" - a multi-component dish that takes your taste buds on a journey through the heavens. Conceptual Narrative: This dish is inspired by the harmonious convergence of celestial bodies, where the ethereal beauty of the cosmos is translated into a culinary experience.
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DeepSeek V4 Pro1,680 words
Unagi: Midori no Yume (Eel’s Green Dream) A multi-sensory kaiseki-inspired contemporary dish that unites the deep umami of charcoal-grilled freshwater eel with the ethereal chill of matcha snow, punctuated by dashi pearls, yuzu kosho gel, and a wisp of cherry blossom smoke.
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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Claude 3 Haiku486 words
Here's a simple, actionable 1-month plan for someone starting their journey towards better health and longevity, focusing on three key areas: diet, exercise, and sleep. Diet: Week 1: Introduce more whole, unprocessed foods into your diet. Replace sugary drinks with water, herbal tea, or unsweetened beverages.
Read the full answer
DeepSeek V4 Pro1,006 words
Here’s a gentle, beginner-friendly 1-month plan focused on three foundational pillars: Nutrition, Movement, and Rest & Resilience (sleep + stress). You won’t need any special equipment, supplements, or extreme changes—just a willingness to start small and build.
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Our Verdict
DeepSeek V4 Pro
DeepSeek V4 Pro
Claude 3 Haiku
Claude 3 HaikuRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Pro has the edge: bigger model tier, newer, bigger context window.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude 3 Haiku
Input
$0.25
7.0× cheaper
Output
$1.25
2.8× cheaper
DeepSeek V4 Pro
Input
$1.74
Output
$3.48

Claude 3 Haiku is cheaper on both: 7.0× input, 2.8× output.

Where to run it

16 hosts, cheapest first

Claude 3 Haiku1 host
HostInOutContextUptime
Amazon Bedrock$0.25 in·$1.25 out·200k·100% up
DeepSeek V4 Pro15 hosts
HostInOutContextUptime
SStreamLakefp8$0.42 in·$0.84 out·1M·99.1% upBaidu Qianfanfp8$0.43 in·$0.86 out·1M·99.7% upGGMI Cloudfp8$0.96 in·$1.91 out·1M·99.7% upDDigitalOcean$1.04 in·$2.09 out·1M·98.6% upDDeepInfrafp8$1.30 in·$2.60 out·1M·99.7% upAlibaba Cloudfp8$1.42 in·$2.83 out·1M·100% up
9 more hostsFewer hosts
SSiliconFlowfp8$1.50 in·$3.13 out·1M·99.5% upNNovitafp8$1.60 in·$3.20 out·1M·99.9% upVVenice$1.65 in·$3.30 out·1M·95.9% upAAtlasCloudfp4$1.68 in·$3.38 out·1M·99.9% upBBasetenfp4$1.74 in·$3.48 out·1M·99.6% upPParasailfp8$1.74 in·$3.48 out·1M·99.7% upNNextBitfp8$1.91 in·$3.83 out·1M·98.6% upAzure AI Foundry$1.91 in·$3.83 out·1M·99.5% upCloudflare Workers AIdegraded$1.15 in·$2.55 out·1M·91.4% up

Per million tokens. Prices and uptime via OpenRouter, checked 19 Sep 2026.

Writing DNA

Style Comparison

Similarity
64%

DeepSeek V4 Pro uses 3.5x more emoji

Claude 3 Haiku
DeepSeek V4 Pro
53%Vocabulary57%
31wSentence Length18w
0.68Hedging0.52
0.2Bold3.3
3.7Lists2.3
0.00Emoji0.04
0.00Headings0.45
0.11Transitions0.15
Based on 27 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

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

It depends on your use case. Claude 3 Haiku and DeepSeek V4 Pro 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.

Claude 3 Haiku costs $0.25/M input tokens and DeepSeek V4 Pro costs $1.74/M input tokens. Claude 3 Haiku is $1.49/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of Claude 3 Haiku and DeepSeek V4 Pro 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.

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Model pages

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Claude 3 Haiku58 outputs, specs and price
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