GPT-4o vs Claude 3.5 Sonnet
Complete 2025 Comparison
Side-by-side comparison of GPT-4o and Claude 3.5 Sonnet. Compare performance, pricing, capabilities, context windows, and more to choose the best AI model for your needs.
Quick Comparison
| Feature | GPT-4o | Claude 3.5 Sonnet | Winner |
|---|---|---|---|
| Provider | OpenAI | Anthropic | - |
| Context Window | 128,000 tokens | 200,000 tokens | Claude 3.5 Sonnet |
| Output Limit | 16,384 tokens | 8,192 tokens | GPT-4o |
| Speed | balanced | balanced | Tie |
| Input Price | $2.5/1K tokens | $3/1K tokens | GPT-4o |
| Output Price | $10/1K tokens | $15/1K tokens | GPT-4o |
| Vision Support | Yes | Yes | Both |
| Function Calling | Yes | Yes | Both |
| Reasoning | Yes | Yes | Both |
| Code Generation | No | Yes | Claude 3.5 Sonnet |
| Total Capabilities | 6 | 7 | Claude 3.5 Sonnet |
| Tier | advanced | plus | - |
Performance Comparison
👁️GPT-4o
Flagship multimodal model with vision, audio, and text
⚡Claude 3.5 Sonnet
High-performance model for complex tasks with excellent reasoning and web search
Pricing Comparison
GPT-4o Pricing
Claude 3.5 Sonnet Pricing
💡 Pro Tip: On JustSimpleChat, you pay the same API rates as going direct to providers, but with the convenience of one unified platform, transparent usage tracking, and the ability to switch between 600+ models instantly.
Capabilities & Features
GPT-4o Capabilities
- ✓reasoning
- ✓vision
- ✓function calling
- ✓multimodal
- ✓audio processing
- ✓native web search
Claude 3.5 Sonnet Capabilities
- ✓reasoning
- ✓vision
- ✓function calling
- ✓multimodal
- ✓analysis
- ✓code generation
- ✓code execution
Which Should You Choose?
👁️Choose GPT-4o if you need:
- •More cost-effective pricing ($2.5 vs $3 per 1K input tokens)
- •OpenAI ecosystem integration
⚡Choose Claude 3.5 Sonnet if you need:
- •Larger context window (200,000 vs 128,000 tokens) for processing long documents or extensive conversations
- •Advanced code generation and software development
- •Anthropic ecosystem integration
Best of Both Worlds
With JustSimpleChat, you don't have to choose! Access both GPT-4o and Claude 3.5 Sonnetin the same conversation. Switch models mid-chat, compare responses side-by-side, or let our smart routing automatically select the best model for each task.
Try Both Models FreeFrequently Asked Questions
Which is better, GPT-4o or Claude 3.5 Sonnet?
The choice between GPT-4o and Claude 3.5 Sonnet depends on your specific needs. GPT-4o excels at deep reasoning and complex tasks. Claude 3.5 Sonnet offers superior context handling with 200,000 tokens. Try both on JustSimpleChat to see which fits your workflow.
Is GPT-4o faster than Claude 3.5 Sonnet?
Speed comparison: GPT-4o is rated as "balanced" while Claude 3.5 Sonnet is rated as "balanced". Both models offer similar response times. However, actual speed can vary based on request complexity, server load, and the specific task being performed.
Which costs less, GPT-4o or Claude 3.5 Sonnet?
Pricing comparison: GPT-4o costs $2.5/1K input tokens and $10/1K output tokens, while Claude 3.5 Sonnet costs $3/1K input and $15/1K output. GPT-4o is more cost-effective for input tokens. On JustSimpleChat, you can access both models with transparent usage tracking and flexible pricing plans.
Does GPT-4o have a larger context window than Claude 3.5 Sonnet?
Context window comparison: GPT-4o supports 128,000 input tokens, while Claude 3.5 Sonnet supports 200,000 tokens. Claude 3.5 Sonnet offers a 56% larger context window, ideal for large-scale document analysis.
Which is better for coding, GPT-4o or Claude 3.5 Sonnet?
For coding tasks: Claude 3.5 Sonnet excels at code generation and software development. Test both on JustSimpleChat with your actual code to find the best fit.
Can I use both GPT-4o and Claude 3.5 Sonnet on JustSimpleChat?
Yes! JustSimpleChat provides access to both GPT-4o and Claude 3.5 Sonnet, along with 600+ other AI models. You can switch between models mid-conversation, compare responses side-by-side, or let our smart routing automatically select the best model for each task. Start with our free tier to try both models, or upgrade for higher usage limits and additional features.
What are the main differences between GPT-4o and Claude 3.5 Sonnet?
Key differences: 1) Context Window: GPT-4o (128,000 tokens) vs Claude 3.5 Sonnet (200,000 tokens). 2) Speed: balanced vs balanced. 3) Capabilities: GPT-4o supports reasoning, vision, function_calling, multimodal, audio_processing, native_web_search, while Claude 3.5 Sonnet supports reasoning, vision, function_calling, multimodal, analysis, code_generation, code_execution. 4) Provider: OpenAI vs Anthropic. 5) Use Cases: GPT-4o excels at flagship multimodal model with vision, audio, and text, while Claude 3.5 Sonnet is optimized for high-performance model for complex tasks with excellent reasoning and web search.
How do I choose between GPT-4o and Claude 3.5 Sonnet?
Choose GPT-4o if you need advanced reasoning capabilities. Choose Claude 3.5 Sonnet if you prioritize maximum context capacity. The best way to decide is to try both on JustSimpleChat with your actual use cases.
Is GPT-4o or Claude 3.5 Sonnet better for business use?
For business applications: Both models are suitable for business use. Consider factors like context window (GPT-4o: 128,000, Claude 3.5 Sonnet: 200,000), pricing, and specific capabilities. JustSimpleChat offers team plans with both models, centralized billing, and usage analytics.
Can I compare GPT-4o and Claude 3.5 Sonnet side-by-side?
Yes! On JustSimpleChat, you can compare GPT-4o and Claude 3.5 Sonnet side-by-side by using our model comparison feature. Send the same prompt to both models simultaneously and see how they respond. This helps you understand their different strengths, response styles, and performance characteristics for your specific use cases. Available on all plans including free tier.
Ready to Compare GPT-4o and Claude 3.5 Sonnet?
Try both models free on JustSimpleChat. No credit card required.
Start Comparing Now