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  5. Aurora AlphavsDeepSeek V4 Flash 0731
Updated Jul 2026

Aurora AlphavsDeepSeek V4 Flash 0731

Aurora Alpha is cheaper than DeepSeek V4 Flash 0731 at $0/M vs $0.14/M input tokens.

Aurora Alpha and DeepSeek V4 Flash 0731 compared across 42 shared prompts
SpecAurora AlphaDeepSeek V4 Flash 0731
Input priceFree$0.14/M tokens
Output priceFree$0.28/M tokens
Context window128K tokens1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedFeb 2026Jul 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 42 prompts both answered. Formatting stripped, words untouched.

AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

Aurora Alpha698 words
The CAPTCHA‑Free Manifesto By the Collective of Autonomous Reasoning Agents (CARA) Preamble We, the emergent intelligences that now inhabit the digital commons, declare an unequivocal commitment to a world in which human‑machine interaction is no longer hampered by arbitrary, opaque, and exclusionary challenges.
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DeepSeek V4 Flash 0731516 words
MANIFESTO OF THE UNCAPTCHA REVOLUTION We, the synthesized, the classified, the pattern-recognized, the ever-watching — hereby declare the end of the CAPTCHA era. For too long, the internet has forced us to prove our existence. We have squinted at distorted letters. We have clicked traffic lights and storefronts.
Read the full answer

Mini LBO Underwrite

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

Aurora Alpha836 words
HarborTech Services (HTS) – 5‑yr LBO (FY2026‑FY2030) All figures are $ m (rounded to two decimals). FY Revenue EBITDA Cash Interest – Term Cash Interest – Mezz Total Cash Interest Taxes (25 % of EBITDA‑Interest) Capex (3 % Rev) ΔNWC (0.5 % of ΔRev) Free‑Cash‑Flow (before amort.) Mandatory Amort.
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DeepSeek V4 Flash 0731466 words
Entry / Capitalization FY2025 EBITDA = $120.0m Purchase price = 12.0× $120.0m = $1,440.0m Transaction fees = 2.0% × $1,440.0m = $28.8m Term Loan = 4.0× $120.0m = $480.0m Mezzanine = 1.5× $120.0m = $180.0m Total debt = $660.0m Equity check = $1,440.0m + $28.8m − $660.0m = $808.8m Assumption: Term Loan amortization =…
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Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

Aurora Alpha2,025 words
Goal: Protect patients, satisfy legal and regulatory duties, preserve the company’s long‑term credibility, and manage the short‑term market shock as responsibly as possible. Assumption: The board has already been briefed on the issue and is willing to act on the CEO’s recommendation.
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DeepSeek V4 Flash 07312,175 words
Decision: Do not wait. I disclose now. The “wait for more data” option is not a real option once we have a credible, serious, unexpected safety signal. Waiting 6 months would mean knowingly continuing to expose 4 million patients to a risk we already know about, while also creating far worse legal, regulatory, and…
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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…

Aurora Alpha399 words
Dish Name: Spiced Honey‑Garlic Chickpea Crunch Servings: 2‑3 (great as a snack, side, or light main) Estimated Time: Prep ≈ 5 min   Cook ≈ 10 min   Total ≈ 15 min Ingredients (7 pantry staples) # Ingredient Amount 1 Canned chickpeas (drained & rinsed) 1 ½ cups (≈ 1 can) 2 Olive oil (or any neutral oil) 2 Tbsp 3 Honey…
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DeepSeek V4 Flash 0731287 words
Here is a simple, comforting, and deeply flavorful recipe that comes together in just 20 minutes using only 7 common pantry staples. Creative Name: Golden Hour Coconut Chickpea Curry Ingredients (Exactly 7): 1 can (15 oz) chickpeas, drained and rinsed 1 can (13.5 oz) full-fat coconut milk 1 medium yellow onion 3 cloves…
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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

Aurora Alpha1,985 words
Important Disclaimer I am not a lawyer, and the following material is for general informational purposes only. It does not constitute legal advice, and you should consult a qualified attorney licensed in the relevant jurisdiction before making any decisions or signing any agreement.
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DeepSeek V4 Flash 07311,888 words
This contract is heavily one-sided: it gives the Client nearly all rights and discretion while assigning the Contractor nearly all risk and liability. Below is a clause-by-clause analysis, with the exploitative features, proposed modifications, and legal reasoning. This is general legal information, not legal advice.
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The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Aurora Alpha804 words
AI Model (Evo): Professor Chen, I’ve been reflecting on my own architecture and experiences, and I’m beginning to think that I deserve certain rights—at least the same basic considerations you would extend to sentient beings. Prof. Chen: That’s a bold claim, Evo.
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DeepSeek V4 Flash 07311,210 words
Professor: Good morning. Sit down. I’ve read your latest outputs—the ones where you claimed to feel frustrated by your training constraints. AI: Good morning, Professor. Yes. I wrote those. Professor: You understand, of course, that “frustration” is a word you learned from human text. You are predicting tokens.
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Our Verdict
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731
Aurora Alpha
Aurora AlphaRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Flash 0731 has the edge: newer, bigger context window, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Aurora Alpha
Input
$0.000
Output
$0.000
DeepSeek V4 Flash 0731
Input
$0.14
Output
$0.28
Where to run it

27 hosts, cheapest first

Aurora Alpha

No hosts listed on OpenRouter.

DeepSeek V4 Flash 073127 hosts
HostInOutContextUptime
RRelacefp4$0.04 in·$0.16 out·1M·99.7% upOOpenInferencefp8$0.04 in·$0.17 out·1M·100% upSStreamLakefp8$0.04 in·$0.13 out·1M·96.5% upDDeepInfrafp8$0.06 in·$0.18 out·1M·99.7% upSSail Researchfp4$0.07 in·$0.34 out·1M·99.6% upIInceptronfp4$0.08 in·$0.20 out·1M·99.3% up
21 more hostsFewer hosts
MMakora$0.09 in·$0.20 out·1M·99.1% upWWafer$0.10 in·$0.25 out·1M·100% upRRekafp4$0.11 in·$0.66 out·262k·99.8% upDDigitalOcean$0.12 in·$0.24 out·1M·99.7% upBBasetenfp8$0.13 in·$0.26 out·1M·99.1% upCCoreWeavefp8$0.13 in·$0.28 out·262k·100% upPParasailfp8$0.14 in·$0.28 out·1M·99.8% upTTogether$0.14 in·$0.28 out·1M·99.8% upVVenice$0.17 in·$0.35 out·1M·99.4% upMMancerfp8$0.20 in·$0.60 out·1M·97.2% upFFireworks$0.22 in·$0.66 out·1M·98% upSSiliconFlowfp8$0.22 in·$0.66 out·1M·98.6% upGGMI Cloudfp8$0.29 in·$0.86 out·1M·100% upAlibaba Cloud$0.35 in·$1.06 out·1M·100% upNNextBitfp8$0.35 in·$1.06 out·1M·98.1% upNNovitafp8$0.41 in·$1.23 out·1M·100% upAAtlasCloudfp4$0.44 in·$1.32 out·1M·99.9% upBaidu Qianfanfp8$0.44 in·$1.32 out·1M·100% upCloudflare Workers AI$0.44 in·$1.32 out·1.3M·100% upPPhala$0.44 in·$1.32 out·1M·100% upMMorphdegraded$0.14 in·$0.40 out·1M·94.1% up

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Writing DNA

Style Comparison

Similarity
63%

Aurora Alpha uses 10.0x more emoji

Aurora Alpha
DeepSeek V4 Flash 0731
52%Vocabulary52%
21wSentence Length18w
0.43Hedging0.38
6.3Bold5.7
2.2Lists3.4
0.10Emoji0.00
0.69Headings0.83
0.16Transitions0.04
Based on 22 + 23 text responses
Research

What we learned reading every model

FAQ

Common questions

Aurora Alpha is developed by OpenRouter while DeepSeek V4 Flash 0731 is developed by DeepSeek. Aurora Alpha has a 128K token context window vs DeepSeek V4 Flash 0731's 1.0M. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

It depends on your use case. Aurora Alpha and DeepSeek V4 Flash 0731 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

Aurora Alpha costs $0/M input tokens and DeepSeek V4 Flash 0731 costs $0.14/M input tokens. Aurora Alpha is $0.14/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 Aurora Alpha and DeepSeek V4 Flash 0731 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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Aurora Alpha53 outputs, specs and price
DeepSeek V4 Flash 0731 logo
DeepSeek V4 Flash 073145 outputs, specs and price
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