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  5. Claude Haiku 4.5vsDeepSeek V4 Pro
Updated Apr 2026

Claude Haiku 4.5vsDeepSeek V4 Pro

Claude Haiku 4.5 is cheaper than DeepSeek V4 Pro at $1/M vs $1.74/M input tokens.

Claude Haiku 4.5 and DeepSeek V4 Pro compared across 53 shared prompts
SpecClaude Haiku 4.5DeepSeek V4 Pro
Input price$1/M tokens$1.74/M tokens
Output price$5/M tokens$3.48/M tokens
Context window200K tokens1.0M tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedOct 2025Apr 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 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 Haiku 4.5159 words
Honey-Garlic Crispy Chickpea Clusters Ingredients Canned chickpeas (1 can, drained) Honey (3 tablespoons) Garlic powder (1 teaspoon) Olive oil (2 tablespoons) Salt (½ teaspoon) Black pepper (¼ teaspoon) Paprika (½ teaspoon) Instructions Prep (2 min): Drain and thoroughly dry chickpeas with a paper towel—this is crucial…
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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 Haiku 4.51,157 words
"ADULTING IS A SCAM" walks on stage So I've figured something out, and I need to share this with you all because I think we've been lied to our entire lives. Adulting is a scam. It's a pyramid scheme, and we're all at the bottom paying for it. When you're a kid, adults make it sound amazing.
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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 Haiku 4.56,117 words
Comprehensive 3-Month Longevity Optimization Plan TABLE OF CONTENTS Foundation & Assessment Nutritional Architecture Supplement Stack Protocol Exercise & Movement System Recovery & Sleep Optimization Stress Resilience & Cognitive Enhancement Tracking & Biofeedback Implementation Timeline Monthly Progression…
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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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Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

Claude Haiku 4.5920 words
HarborTech Services (HTS) – LBO Underwriting SOURCES & USES AT CLOSE (FY2025) Item Amount USES Enterprise Value (12.0x × $120m EBITDA) $1,440m Transaction Fees (2.0% of EV) $28.8m Total Uses $1,468.8m SOURCES Term Loan (4.0x × $120m) $480m Mezzanine (1.5x × $120m) $180m Equity (plug) $808.8m Total Sources $1,468.8m…
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DeepSeek V4 Pro602 words
HarborTech Services (HTS) – 5-Year LBO Model Projected Financials & Debt Schedule (US$ millions, fiscal years ending December) FY2026 FY2027 FY2028 FY2029 FY2030 Revenue 972.0 1,040.0 1,102.4 1,157.6 1,215.4 EBITDA 136.1 156.0 176.4 191.0 206.6 Margin 14.0% 15.0% 16.0% 16.5% 17.0% Cash Interest Term Loan (9% cash) 43.2…
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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 Haiku 4.51,856 words
UMAMI NOCTURNE: A Study in Fermented Darkness and Mineral Brightness Conceptual Narrative This dish explores the intersection of Japanese fermentation philosophy and Nordic minimalism, using koji (aspergillus oryzae mold) as a bridge between cultures and flavor dimensions.
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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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Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

Claude Haiku 4.5826 words
Three Explanations of LLM Learning and Generation The Software Engineer You know how you build APIs by defining contracts—input shapes, output shapes, and rules for transformation? LLMs work similarly, except the "rules" aren't hand-coded; they're learned from data.
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DeepSeek V4 Pro1,002 words
1. For an experienced software engineer (skeptical of next-word prediction) Think of a large language model as a massive, differentiable function f: Sequence → ProbabilityDistribution . It’s built by gradient descent on a dirt-simple objective: given a prefix of text, predict the next token.
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Our Verdict
DeepSeek V4 Pro
DeepSeek V4 Pro
Claude Haiku 4.5
Claude Haiku 4.5Runner-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 Haiku 4.5
Input
$1.00
1.7× cheaper
Output
$5.00
DeepSeek V4 Pro
Input
$1.74
Output
$3.48
1.4× cheaper

Claude Haiku 4.5 wins input (1.7× cheaper)·DeepSeek V4 Pro wins output (1.4× cheaper)

Where to run it

19 hosts, cheapest first

Claude Haiku 4.54 hosts
HostInOutContextUptime
Amazon Bedrock$1.00 in·$5.00 out·200k·100% upAnthropic$1.00 in·$5.00 out·200k·100% upAzure AI Foundry$1.00 in·$5.00 out·200k·99.9% upGoogle Vertex AI$1.00 in·$5.00 out·200k·99.8% up
DeepSeek V4 Pro15 hosts
HostInOutContextUptime
SStreamLakefp8$0.96 in·$1.91 out·1M·99.3% upDDigitalOcean$1.04 in·$2.09 out·1M·100% upCloudflare Workers AI$1.15 in·$2.55 out·1M·97.8% upDDeepInfrafp8$1.30 in·$2.60 out·1M·99.4% upAlibaba Cloudfp8$1.42 in·$2.83 out·1M·100% upSSiliconFlowfp8$1.50 in·$3.13 out·1M·99.4% up
9 more hostsFewer hosts
NNovitafp8$1.60 in·$3.20 out·1M·99.9% upVVenice$1.65 in·$3.30 out·1M·96.4% upAAtlasCloudfp4$1.68 in·$3.38 out·1M·99% upBaidu Qianfanfp8$1.69 in·$3.38 out·1M·99.2% upBBasetenfp4$1.74 in·$3.48 out·1M·99.4% upPParasailfp8$1.74 in·$3.48 out·1M·99.5% upAzure AI Foundry$1.91 in·$3.83 out·1M·98.9% upNNextBitfp8$2.80 in·$5.50 out·1M·99.9% upGGMI Cloudfp8degraded$0.96 in·$1.91 out·1M·97.4% up

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

Writing DNA

Style Comparison

Similarity
29%

Claude Haiku 4.5 uses 5.8x more emoji

Claude Haiku 4.5
DeepSeek V4 Pro
61%Vocabulary57%
47wSentence Length18w
0.64Hedging0.52
5.1Bold3.3
6.3Lists2.3
0.20Emoji0.04
2.46Headings0.45
0.17Transitions0.15
Based on 24 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

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Model pages

Claude Haiku 4.5 logo
Claude Haiku 4.554 outputs, specs and price
DeepSeek V4 Pro logo
DeepSeek V4 Pro58 outputs, specs and price
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