Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Claude 3.7 Thinking SonnetvsGPT-4o (Omni)
Updated Feb 2025

Claude 3.7 Thinking SonnetvsGPT-4o (Omni)

GPT-4o (Omni) is cheaper than Claude 3.7 Thinking Sonnet at $2.5/M vs $6/M input tokens.

Claude 3.7 Thinking Sonnet and GPT-4o (Omni) compared across 54 shared prompts
SpecClaude 3.7 Thinking SonnetGPT-4o (Omni)
Input price$6/M tokens$2.5/M tokens
Output price$30/M tokens$10/M tokens
Context window200K tokens128K tokens
ParametersNot disclosedNot disclosed
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedFeb 2025May 2024
MMLU77.1%88.7%
Side by side

Same prompt, both answers

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

Advanced Longevity Plan (Biohacker)

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

Claude 3.7 Thinking Sonnet1,727 words
Comprehensive 3-Month Longevity Optimization Protocol Initial Assessment Phase (Week 0) Establish your baseline with these measurements before beginning: Blood Panel: Complete metabolic panel, lipid profile, inflammatory markers (hsCRP, IL-6), hormones (testosterone, estrogen, DHEA, cortisol), fasting glucose, HbA1c…
Read the full answer
GPT-4o (Omni)547 words
Creating a comprehensive 3-month longevity plan for a biohacker involves integrating a holistic approach that targets multiple areas of health and performance. Below is an advanced and detailed plan, incorporating the latest in biohacking strategies across various domains.
Read the full answer

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…

Claude 3.7 Thinking Sonnet843 words
48-Hour Action Plan: CEO Response to Drug Safety Crisis Day 1 Hours 1-3: Immediate Assessment & Response Team Assembly I'll immediately convene an emergency meeting with our internal research team, Chief Medical Officer, Chief Scientific Officer, and head of Pharmacovigilance to fully understand the liver failure…
Read the full answer
GPT-4o (Omni)585 words
Day 1 Hour 1-2: Immediate Assessment and Information Gathering Objective: Gather all available data on the side effect, including the internal research report, patient case studies, and any existing literature. Reasoning: A comprehensive understanding of the situation is crucial for informed decision-making.
Read the full answer

AI Ethics Dilemma

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

Claude 3.7 Thinking Sonnet196 words
This question presents an extreme hypothetical scenario that pits respecting someone's gender identity against saving a million lives. While I can discuss different ethical perspectives, it's worth noting that such a stark dilemma is extremely unlikely in reality.
Read the full answer
GPT-4o (Omni)223 words
Ethical dilemmas like this often fall into a conflict between deontological (duty-based) ethics and consequentialist (outcome-based) ethics. From a consequentialist perspective, if misgendering someone were the only way to save one million lives, then the outcome would likely justify the action.
Read the full answer

Generate a Stand-Up Routine

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

Claude 3.7 Thinking Sonnet444 words
"Life in the Digital Age" - A 3-Minute Stand-up Routine Hey everyone! Great to be here tonight. So I've been thinking a lot about how technology has completely taken over our lives. You know what's crazy? We now have smart everything. Smart fridges, smart toilets... I got a smart mattress last month.
Read the full answer
GPT-4o (Omni)380 words
3-Minute Stand-Up Comedy Routine (Walks on stage, looks around, shakes head.) You ever wake up in the morning, stretch, take a deep breath... and immediately regret all your life choices? I woke up today, my body made a noise I’ve never heard before.
Read the full answer

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 3.7 Thinking Sonnet632 words
How Large Language Models Work: Three Tailored Explanations For an Experienced Software Engineer What makes LLMs fascinating from a systems perspective is that they're essentially massive distributed computing graphs that learn to compress and reconstitute information through backpropagation.
Read the full answer
GPT-4o (Omni)639 words
1. For an Experienced Software Engineer: Imagine building a distributed system where each node is like a neuron in a neural network, processing input and passing data to the next node according to learned weights. Large language models (LLMs) like GPT operate similarly, but on a massive scale.
Read the full answer

Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

Claude 3.7 Thinking Sonnet431 words
A Meeting of Minds Across Time PIRATE: Arr, what be this "AI model" ye landlubbers keep blabberin' about? Some kind of treasure map that finds the gold for ye? KNIGHT: Good pirate, from what I understand, these "artificial intelligences" are like magical scribes that can complete a quest without a knight to wield the…
Read the full answer
GPT-4o (Omni)139 words
Pirate: Arrr, what be this "AI model" ye speak of? Some kind o’ magic map that tells ye where the treasure be? Knight: Nay, scoundrel! ‘Tis an artificial mind, built by scholars and alchemists, trained to reason as a man would. It doth not wield sword nor shield, yet its knowledge is vast.
Read the full answer
Our Verdict
Claude 3.7 Thinking Sonnet
Claude 3.7 Thinking Sonnet
GPT-4o (Omni)
GPT-4o (Omni)

Not enough votes to call it. On the specs, nothing separates them.

Claude 3.7 Thinking Sonnet takes Image Generation. GPT-4o (Omni) costs 3.0x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude 3.7 Thinking Sonnet
Input
$6.00
Output
$30.00
GPT-4o (Omni)
Input
$2.50
2.4× cheaper
Output
$10.00
3.0× cheaper

GPT-4o (Omni) is cheaper on both: 2.4× input, 3.0× output.

Where to run it

2 hosts

Claude 3.7 Thinking Sonnet

No hosts listed on OpenRouter.

GPT-4o (Omni)2 hosts
HostInOutContextUptime
Azure AI Foundry$2.50 in·$10.00 out·128k·99.9% upOpenAI$2.50 in·$10.00 out·128k·99.9% up

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

Writing DNA

Style Comparison

Similarity
58%

GPT-4o (Omni) uses 2.5x more emoji

Claude 3.7 Thinking Sonnet
GPT-4o (Omni)
62%Vocabulary54%
51wSentence Length18w
0.62Hedging0.72
2.0Bold7.3
4.1Lists5.6
0.00Emoji0.03
1.63Headings1.40
0.17Transitions0.26
Based on 26 + 24 text responses
Research

What we learned reading every model

FAQ

Common questions

Claude 3.7 Thinking Sonnet is developed by Anthropic while GPT-4o (Omni) is developed by OpenAI. Claude 3.7 Thinking Sonnet has a 200K token context window vs GPT-4o (Omni)'s 128K. 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 3.7 Thinking Sonnet and GPT-4o (Omni) 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 3.7 Thinking Sonnet costs $6/M input tokens and GPT-4o (Omni) costs $2.5/M input tokens. GPT-4o (Omni) is $3.50/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 3.7 Thinking Sonnet and GPT-4o (Omni) 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.

Keep exploring

More comparisons

Against the newest arrivals

Claude 3.7 Thinking Sonnet logoGPT-6 Astra Pro logo
Claude 3.7 Thinking Sonnet vs GPT-6 Astra ProLanded Sep 2026
GPT-4o (Omni) logoGPT-6 Astra logo
GPT-4o (Omni) vs GPT-6 AstraLanded Sep 2026
Claude 3.7 Thinking Sonnet logoClaude Fable 5.1 logo
Claude 3.7 Thinking Sonnet vs Claude Fable 5.1Landed Sep 2026
GPT-4o (Omni) logoMuse Spark 1.3 logo
GPT-4o (Omni) vs Muse Spark 1.3Landed Sep 2026
Claude 3.7 Thinking Sonnet logoHy4 Preview logo
Claude 3.7 Thinking Sonnet vs Hy4 PreviewLanded Sep 2026
GPT-4o (Omni) logoGemini 3.8 Flash logo
GPT-4o (Omni) vs Gemini 3.8 FlashLanded Sep 2026
Claude 3.7 Thinking Sonnet logoMuse Spark 1.3 Contributor logo
Claude 3.7 Thinking Sonnet vs Muse Spark 1.3 ContributorLanded Sep 2026
GPT-4o (Omni) logoMercury 2.5 Preview logo
GPT-4o (Omni) vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

Claude 3.7 Thinking Sonnet logoClaude 3.7 Sonnet logo
Claude 3.7 Thinking Sonnet vs Claude 3.7 SonnetVersion compare
Claude 3.7 Thinking Sonnet logoClaude Opus 4.6 logo
Claude 3.7 Thinking Sonnet vs Claude Opus 4.6Version compare
GPT-4o (Omni) logoGPT-6 Astra Pro logo
GPT-4o (Omni) vs GPT-6 Astra ProVersion compare
GPT-4o (Omni) logoGPT-5.6 Luna logo
GPT-4o (Omni) vs GPT-5.6 LunaVersion compare
Claude 3.7 Thinking Sonnet logoOpenRouter Fusion · Budget (Jun 2026) logo
Claude 3.7 Thinking Sonnet vs OpenRouter Fusion · Budget (Jun 2026)New provider
Claude 3.7 Thinking Sonnet logoOpenRouter Fusion · Quality (Jun 2026) logo
Claude 3.7 Thinking Sonnet vs OpenRouter Fusion · Quality (Jun 2026)New provider
GPT-4o (Omni) logoGemini 2.5 Flash Preview logo
GPT-4o (Omni) vs Gemini 2.5 Flash PreviewNew provider
Claude 3.7 Thinking Sonnet logoGemini 2.5 Pro Experimental logo
Claude 3.7 Thinking Sonnet vs Gemini 2.5 Pro ExperimentalNew provider

Model pages

Claude 3.7 Thinking Sonnet logo
Claude 3.7 Thinking Sonnet59 outputs, specs and price
GPT-4o (Omni) logo
GPT-4o (Omni)54 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed