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Tech Business News > Blogs > Claude 3.5 Sonnet vs GPT-4o Compare The Differences
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Claude 3.5 Sonnet vs GPT-4o Compare The Differences

Compare the differences - Claude 3.5 vs GPT-4o – Claude 3.5 Sonnet is more structured, safe, and thoughtful, while GPT-4o is faster, multimodal, and better at coding. —Claude supports 200K+ tokens, better for deep analysis, and is Claude 3.5 Sonnet is roughly 40.0% cheaper compared to GPT-4o, which supports 128K tokens, better for speed and versatility.

Matthew Giannelis
Last updated: September 9, 2025 1:01 am
Matthew Giannelis
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Anthropic is making waves again with the release of Claude 3.5 Sonnet, stepping directly into the AI battlefield where OpenAI’s GPT-4o has been holding strong.

Contents
Key differences between Claude 3.5 Sonnet and GPT-4o1. Performance & Reasoning2. Speed & Efficiency3. Multimodal Capabilities4. Memory & Context Length5. Creativity & Writing Style6. Coding & Technical Tasks7. Ethics & Safety8. Availability & CostClaude 3.5 vs. GPT-4o: What You Need to KnowGPT-4o Overview: OpenAI’s Multimodal PowerhouseClaude GPT-4o vs. 3.5 : How They Stack UpBottom Line:Detailed Comparison of Claude 3.5 & GPT-4o1. Context Window & Memory2. Multimodal CapabilitiesWhich One Should You Choose?Pricing BreakdownClaude 3.5 SonnetGPT-4oWhich One is More Cost-Effective?Performance in coding and reasoningClaude 3.5 SonnetGPT-4oSpeed and efficiencyClaude 3.5 SonnetGPT-4oChoosing the Right AI ModelWhen to Choose Claude 3.5When to Choose GPT-4oFrequently Asked Questions (FAQ)Final Summary Of Differences

ChatGPT 4o was released on May 13, 2024, and Claude 3.5 Sonnet followed on June 20, 2024, showcasing improved performance over Claude 3 Opus.

In complex math problem-solving, GPT-4o outperforms Claude 3.5 Sonnet, with GPT-4o achieving 76.6% accuracy on zero-shot Chain of Thought (CoT) compared to Claude 3.5’s 71.1%.

With 92% of Fortune 500 companies already tapping into OpenAI’s technology to power their businesses, the question now is: Can Claude 3.5 Sonnet shake things up?

Anthropic isn’t being subtle about its ambitions, calling its latest model the new “industry standard” in AI intelligence. That’s a bold claim, especially when GPT-4o has been leading the pack in key areas like reasoning, summarisation, and problem-solving.

But here’s the bigger picture: AI is no longer futuristic—it’s a must-have for business growth. 94% of executives say it will drive expansion in the next five years, and with the market set to hit $126.5 billion by 2030, the stakes are huge.

So, with both Anthropic and OpenAI pushing the limits of what AI can do, the real question is which model will come out on top?

Key differences between Claude 3.5 Sonnet and GPT-4o

Here are some key differences between Claude 3.5 Sonnet and GPT-4o:

1. Performance & Reasoning

  • Claude 3.5 Sonnet: Stronger at long-form reasoning, nuanced understanding, and complex problem-solving.
  • GPT-4o: More balanced across tasks, excelling in reasoning, coding, and general adaptability.

2. Speed & Efficiency

  • Claude 3.5 Sonnet: Faster than its predecessor (Claude 3), but slightly slower than GPT-4o in some tasks.
  • GPT-4o: OpenAI claims it’s twice as fast as GPT-4 Turbo and optimized for real-time interactions.

3. Multimodal Capabilities

  • Claude 3.5 Sonnet: Primarily text-based, with some image processing via Anthropic’s API.
  • GPT-4o: True multimodal AI, handling text, images, and real-time voice.

4. Memory & Context Length

  • Claude 3.5 Sonnet: Likely supports 200K+ tokens (longer context window).
  • GPT-4o: Context length 128K tokens, but optimised for dynamic memory handling.

5. Creativity & Writing Style

  • Claude 3.5 Sonnet: More thoughtful, structured, and human-like in responses, especially for long-form writing.
  • GPT-4o: More fluid, engaging, and conversational, with strong creativity in storytelling and humor.

6. Coding & Technical Tasks

  • Claude 3.5 Sonnet: Improved at coding but may lag behind GPT-4o in execution speed and debugging.
  • GPT-4o: Considered one of the best AI models for coding, with superior debugging and multi-language support.

7. Ethics & Safety

  • Claude 3.5 Sonnet: Designed with stricter safety filters, making it more cautious in responses.
  • GPT-4o: More open-ended but still follows OpenAI’s strict ethical guidelines.

8. Availability & Cost

  • Claude 3.5 Sonnet: Available for free on Anthropic’s platform, with a Claude Pro subscription for better access.
  • GPT-4o: Free version available, but ChatGPT Plus ($20/month) unlocks full GPT-4o capabilities.

Claude 3.5 vs. GPT-4o: What You Need to Know

Anthropic’s Claude 3.5 Sonnet is the latest AI model aiming to balance powerful text generation with safety and user alignment.

Built on earlier versions like Claude Haiku and Opus, this upgrade sharpens its ability to understand context, reduce biases, and deliver more natural, human-like responses.

One of its biggest strengths? Minimising harmful or misleading content. Anthropic has fine-tuned Claude 3.5 with a mix of reinforcement learning and diverse datasets, making it one of the most ethically focused AI models on the market.

While Claude 3.5 excels in areas like creative writing, research, and technical documentation, it sticks to text-only processing—unlike some newer AI models that handle images, audio, and video. But if you’re looking for a reliable, context-aware AI for text-based tasks, Claude 3.5 is a serious contender.

GPT-4o Overview: OpenAI’s Multimodal Powerhouse

Claude GPT-4o vs. 3.5 : How They Stack Up

When it comes to AI powerhouses, Claude 3.5 Sonnet and GPT-4o each bring unique strengths to the table. Here’s how they compare:

FeatureClaude 3.5 SonnetGPT-4o
Release DateJune 21, 2024May 13, 2024
Context Window200,000 tokens (more memory)128,000 tokens
Multimodal?Text & vision (strong at visual reasoning)Text, image, audio, video
Pricing (Input)$3 per million tokens$2.50 per million tokens
Pricing (Output)$15 per million tokens$10 per million tokens
PerformanceBest for advanced reasoning, coding, and visual tasksExcels in creative writing, problem-solving, and multilingual translation
Speed23 tokens/sec (2x faster than Claude 3 Opus)109 tokens/sec (faster than GPT-4 Turbo)
Best ForCustomer support, coding, visual tasksCreative writing, multilingual apps, multimedia content
Key StrengthsHighly reliable in coding, cost-effectiveVersatile, powerful multimodal abilities

Bottom Line:

  • Need deep reasoning and coding reliability? Claude 3.5 is your best bet.

  • Want a more versatile AI for multimedia and languages? GPT-4o takes the lead.

Both models are top-tier, but the right choice depends on what you need AI to do.

Detailed Comparison of Claude 3.5 & GPT-4o

When choosing between Claude 3.5 Sonnet and GPT-4o, understanding their core strengths can help you decide which AI fits your needs.

1. Context Window & Memory

  • Claude 3.5 Sonnet: With a 200,000-token context window, Claude 3.5 is built for long-form content, making it ideal for processing large documents, multi-step workflows, and detailed customer support interactions. It’s a top choice for businesses dealing with technical documentation, data analysis, and historical context retention.

  • GPT-4o: While its 128,000-token context window is still large, GPT-4o shines in multimodal tasks, balancing speed and versatility. It’s well-suited for real-time interactions, content generation, and multimedia applications.

2. Multimodal Capabilities

  • Claude 3.5: Specialises in text and visual reasoning, making it great for industries like finance, logistics, and retail. It can analyse charts, graphs, and imperfect images, helping businesses track inventory, interpret financial trends, and optimize operations.

  • GPT-4o: A true multimodal AI, GPT-4o handles text, images, audio, and video in one system. This makes it a powerhouse for content creation, marketing, transcription, and interactive experiences. It’s particularly valuable for media, advertising, and global communication.

Which One Should You Choose?

  • Need deep text analysis and document processing? Claude 3.5 is your best bet.

  • Looking for an all-in-one AI for multimedia tasks? GPT-4o is the way to go.

Both models are powerful, but the right choice depends on how you plan to use AI in your business.

Pricing Breakdown

Claude 3.5 Sonnet

  • Input Tokens: $3 per million

  • Output Tokens: $15 per million

  • Best for: Businesses processing large data volumes with minimal output, such as analytics, customer support, and back-end operations.

GPT-4o

  • Input Tokens: $2.50 per million (Batch API: $1.25)

  • Output Tokens: $10 per million (Batch API: $5)

  • Best for: High-output applications like content creation, marketing, and media production, where cost per output is a key factor.

Which One is More Cost-Effective?

If your business processes more than it generates, Claude 3.5 offers better value. However, if you need a multimodal AI producing a high volume of content, GPT-4o’s Batch API pricing makes it a strong contender.

Performance in coding and reasoning

Claude 3.5 Sonnet

Claude 3.5 is particularly strong in coding tasks and complex problem-solving. It excels in debugging, code refactoring, and handling intricate algorithms, making it a reliable tool for developers and software teams.

Companies working on software modernization, data science, or AI-driven applications will find it especially useful for tasks requiring deep logical and mathematical reasoning.

GPT-4o

GPT-4o is also capable in coding but shines in creative writing, language translation, and multilingual communication.

Businesses that operate globally will benefit from its ability to provide seamless real-time translation while maintaining contextual accuracy. It is also a powerful tool for content creation, making it a strong choice for marketing teams and media companies.

Speed and efficiency

Claude 3.5 Sonnet

Claude 3.5 is twice as fast as its predecessor, Claude 3 Opus, generating around 23 tokens per second. While it isn’t the fastest model, it makes up for this with higher accuracy and a larger context window.

This makes it a strong option for tasks that require deep analysis and precision, such as complex workflows and data processing, where speed is less critical than maintaining detailed context.

GPT-4o

GPT-4o generates responses at around 109 tokens per second, making it significantly faster. This speed advantage is ideal for real-time applications like live customer support, voice-to-text transcription, and interactive AI tools.

Businesses that need quick responses, such as call centers and media production teams, will benefit from its rapid processing capabilities.

Choosing the Right AI Model

When it comes to selecting the right AI for your business, deciding between Claude 3.5 Sonnet and GPT-4o really comes down to your specific needs. Each model has its own strengths, making them suited for different types of tasks.

When to Choose Claude 3.5

  1. Deep Context and Complex Workflows

    Claude 3.5’s 200,000-token context window is perfect for long-term projects that require keeping track of large amounts of data over time. It’s great for tasks like handling detailed legal documents, conducting technical research, or managing multi-step customer service workflows.

    For instance, a customer service center dealing with complex, multi-tiered support queries would benefit from Claude 3.5’s ability to track long conversation histories. It ensures consistent, accurate responses without losing crucial context as conversations evolve.

  2. Coding and Technical Projects

    Claude 3.5 excels at debugging, refactoring, and handling complex algorithms. This makes it an ideal choice for developers and engineers who are working on modernising applications or migrating legacy code.

  3. Visual Data Interpretation

    If your business relies on interpreting charts, graphs, or even imperfect images, Claude 3.5’s visual reasoning capabilities will be especially useful.

    Industries like logistics and finance, where understanding visual data is key, will find this model particularly beneficial for extracting insights from complex data sets.

When to Choose GPT-4o

  1. Multimodal Tasks and Content Creation

    GPT-4o is designed to handle text, images, audio, and video, making it ideal for businesses that need to create dynamic multimedia content. This model shines in industries like marketing and media production, where different types of content need to be generated seamlessly.

    For example, a global marketing team could use GPT-4o to simultaneously create campaign copy, images, and videos for a product launch, streamlining their content production process and ensuring a consistent message across all formats.
  2. Real-Time Interactions and Customer Engagement

    Thanks to its fast token generation and strong multilingual translation capabilities, GPT-4o is perfect for live customer support and real-time transcription. It’s a great choice for contact centers or businesses with global customer service needs that require immediate, accurate responses.
  3. Cost-Efficient High Output

    For businesses that need to produce a large volume of content—like those in media production or customer engagement—GPT-4o offers a significant cost advantage. Through its Batch API, the cost per output decreases, especially when working with high-output tasks across multiple formats.

Frequently Asked Questions (FAQ)

Is Claude AI better than GPT-4o?

Both Claude AI and GPT-4o are powerful language models, but they excel in different areas. Claude AI tends to perform better in conversational tasks, providing more natural and engaging dialogue. On the other hand, GPT-4o shines in generating complex and creative content, especially in text formats. Which one is “better” ultimately depends on the specific task at hand.

Is ChatGPT better at coding than Claude?

It’s difficult to definitively say if ChatGPT or Claude is better at coding because both models are strong in their own right. ChatGPT might excel at generating code in certain programming languages, while Claude could be more adept at understanding complex code logic. The best choice will depend on the coding tasks you need help with.

What is the context window of Claude 3.5 vs GPT-4o?

The context window refers to how much text a language model can remember and consider when processing new information. Claude 3.5 has a context window of 100,000 tokens, while GPT-4o has a window of 32,768 tokens. This means Claude 3.5 can handle longer pieces of text, making it ideal for tasks that require extensive context, like summarizing lengthy documents or building creative writing

Is the Claude 3.5 sonnet better?

There isn’t a straightforward answer to whether Claude 3.5’s sonnets are better than those of other AI models. “Better” is subjective and depends on what you value in a sonnet. Claude 3.5 might excel in rhyme and meter, but another model might generate more evocative imagery. The best approach is to explore different AI-generated sonnets and see which one resonates with your personal taste.

What is Claude 3.5 good at?

Claude 3.5 excels at generating creative text, whether it’s poems, code, scripts, musical pieces, emails, or letters. It’s also great at answering open-ended, challenging, or unusual questions. Claude can summarise factual topics and create engaging stories with ease, making it a versatile tool for a wide range of creative and informational tasks.

Is Claude the best AI for coding?

Claude is a powerful AI tool for coding, especially when it comes to generating code snippets, explaining concepts, and debugging. While it may not write entire programs for you, Claude is an excellent assistant for anyone looking for
support with coding projects, whether you’re a beginner or an experienced developer.


Is Claude or ChatGPT better at math?

Both Claude and ChatGPT are proficient at performing basic math operations, but their strengths differ. Claude tends to be better at handling complex equations and formulas, while ChatGPT excels at solving word problems that involve logic and reasoning. The model best suited for your needs depends on the specific mathematical tasks at hand.


Which AI is better than ChatGPT?

There’s no definitive answer to which AI is better than ChatGPT. The best model for you depends on your specific needs. Some models excel at creative writing, others in code generation, and others in answering factual questions. The key is to explore the different models and see which one fits your goals.


Is Claude better than ChatGPT and Gemini?

Claude, ChatGPT, and Gemini each have their own strengths, making it hard to say one is “better” than the others. Claude is known for its nuanced, creative responses, while ChatGPT is great for concise, informative answers. Gemini offers cutting-edge capabilities like multimodal understanding, especially with visual data. The best choice depends on your specific needs and preference


Is Opus better than GPT-4?

Opus and GPT-4 are both strong language models, but they specialize in different areas. Opus excels in multilingual tasks and translation, while GPT-4 is better at generating creative content and adapting to various conversational styles. Which one is better for you depends entirely on your specific tasks.

What is the daily usage limit of Claude AI?

Claude AI doesn’t have a strict daily usage limit. Its usage is typically managed based on factors like your plan, the complexity of your requests, and server capacity. This dynamic system ensures efficient resource allocation and optimal performance for everyone using the AI.


Is GPT-4 more powerful than ChatGPT?

GPT-4 is the latest version of the language model developed by OpenAI, and it is generally more powerful than the version used for ChatGPT. With a larger training dataset and enhanced capabilities, GPT-4 offers improvements in reasoning, creativity, and multimodal understanding. However, the specific advantages depend on the application and task you’re working on.

Final Summary Of Differences

For both, Claude 3.5 and GPT-4o bring unique strengths to the table, making them ideal for different use cases. Claude 3.5 excels in handling deep context, complex workflows, and tasks that demand high precision, like coding and technical projects.

Its large context window and advanced reasoning capabilities make it perfect for industries that require extensive data analysis, long-form content creation, or technical problem-solving.

On the other hand, GPT-4o stands out for its speed, multimodal capabilities, and strength in creative content generation, real-time interactions, and customer engagement.

It’s the go-to model for companies looking to create multimedia content, handle live customer support, or produce large volumes of content efficiently.

When it comes to coding, both Claude and GPT-4o have their merits, but Claude tends to shine in debugging, refactoring, and understanding complex code logic.

For mathematical tasks, Claude excels at more complex equations, while ChatGPT and GPT-4o are strong contenders for word problems that require logic and reasoning.

Ultimately, choosing between these models boils down to your business needs: if you need a model that handles deep context and complex workflows, Claude 3.5 is your best bet.

If you’re looking for speed, real-time interaction, and versatility across different content formats, GPT-4o is the right fit. Both are exceptional tools, but their strengths are tailored to specific types of work.

ByMatthew Giannelis
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Secondary editor and executive officer at Tech Business News. An IT support engineer for 20 years he's also an advocate for cyber security and anti-spam laws.
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