Claude Opus 4.7 vs GPT-5.4
Complete 2025 Comparison
Side-by-side comparison of Claude Opus 4.7 and GPT-5.4. Compare performance, pricing, capabilities, context windows, and more to choose the best AI model for your needs.
Quick Comparison
| Feature | Claude Opus 4.7 | GPT-5.4 | Winner |
|---|---|---|---|
| Provider | Anthropic | OpenAI | - |
| Context Window | 1,000,000 tokens | 400,000 tokens | Claude Opus 4.7 |
| Output Limit | 128,000 tokens | 16,384 tokens | Claude Opus 4.7 |
| Speed | deep | deep | Tie |
| Vision Support | Yes | Yes | Both |
| Function Calling | Yes | Yes | Both |
| Reasoning | Yes | Yes | Both |
| Code Generation | Yes | Yes | Both |
| Total Capabilities | 11 | 8 | Claude Opus 4.7 |
| Tier | max | max | - |
Performance Comparison
💎Claude Opus 4.7
Latest Anthropic frontier model for long-running asynchronous agents, advanced coding tasks, and million-token workflows.
🚀GPT-5.4
Latest frontier model with breakthrough reasoning, multimodal understanding, and 400K context window. Major advances in agentic coding, instruction following, and creative generation.
Capabilities & Features
Claude Opus 4.7 Capabilities
- ✓reasoning
- ✓vision
- ✓function calling
- ✓multimodal
- ✓native web search
- ✓code generation
- ✓code execution
- ✓analysis
- ✓tool use
- ✓long context
- ✓agentic workflows
GPT-5.4 Capabilities
- ✓reasoning
- ✓vision
- ✓multimodal
- ✓analysis
- ✓function calling
- ✓code generation
- ✓thinking mode
- ✓long context
Which Should You Choose?
💎Choose Claude Opus 4.7 if you need:
- •Larger context window (1,000,000 vs 400,000 tokens) for processing long documents or extensive conversations
- •Anthropic ecosystem integration
🚀Choose GPT-5.4 if you need:
- •OpenAI ecosystem integration
Best of Both Worlds
With JustSimpleChat, you don't have to choose! Access both Claude Opus 4.7 and GPT-5.4in 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, Claude Opus 4.7 or GPT-5.4?
The choice between Claude Opus 4.7 and GPT-5.4 depends on your specific needs. Claude Opus 4.7 has a larger context window (1,000,000 vs 400,000 tokens), making it better for long documents. GPT-5.4 delivers excellent reasoning capabilities. Try both on JustSimpleChat to see which fits your workflow.
Is Claude Opus 4.7 faster than GPT-5.4?
Speed comparison: Claude Opus 4.7 is rated as "deep" while GPT-5.4 is rated as "deep". 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, Claude Opus 4.7 or GPT-5.4?
Pricing comparison: Pricing varies by provider and usage tier. On JustSimpleChat, you can access both models with transparent usage tracking and flexible pricing plans.
Does Claude Opus 4.7 have a larger context window than GPT-5.4?
Context window comparison: Claude Opus 4.7 supports 1,000,000 input tokens, while GPT-5.4 supports 400,000 tokens. Claude Opus 4.7 has a 150% larger context window, making it better for processing long documents, entire codebases, or extensive conversations.
Which is better for coding, Claude Opus 4.7 or GPT-5.4?
For coding tasks: Both Claude Opus 4.7 and GPT-5.4 support code generation. Claude Opus 4.7 also supports code execution and interpretation, making it more versatile for development workflows. Test both on JustSimpleChat with your actual code to find the best fit.
Can I use both Claude Opus 4.7 and GPT-5.4 on JustSimpleChat?
Yes! JustSimpleChat provides access to both Claude Opus 4.7 and GPT-5.4, 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 Claude Opus 4.7 and GPT-5.4?
Key differences: 1) Context Window: Claude Opus 4.7 (1,000,000 tokens) vs GPT-5.4 (400,000 tokens). 2) Speed: deep vs deep. 3) Capabilities: Claude Opus 4.7 supports reasoning, vision, function_calling, multimodal, native_web_search, code_generation, code_execution, analysis, tool_use, long_context, agentic_workflows, while GPT-5.4 supports reasoning, vision, multimodal, analysis, function_calling, code_generation, thinking_mode, long_context. 4) Provider: Anthropic vs OpenAI. 5) Use Cases: Claude Opus 4.7 excels at latest anthropic frontier model for long-running asynchronous agents, advanced coding tasks, and million-token workflows., while GPT-5.4 is optimized for latest frontier model with breakthrough reasoning, multimodal understanding, and 400k context window. major advances in agentic coding, instruction following, and creative generation..
How do I choose between Claude Opus 4.7 and GPT-5.4?
Choose Claude Opus 4.7 if you need a larger context window for long documents. Choose GPT-5.4 if you prioritize multimodal understanding with vision. The best way to decide is to try both on JustSimpleChat with your actual use cases.
Is Claude Opus 4.7 or GPT-5.4 better for business use?
For business applications: Claude Opus 4.7 is designed for enterprise use with 1,000,000 token context and advanced features. Consider factors like context window (Claude Opus 4.7: 1,000,000, GPT-5.4: 400,000), pricing, and specific capabilities. JustSimpleChat offers team plans with both models, centralized billing, and usage analytics.
Can I compare Claude Opus 4.7 and GPT-5.4 side-by-side?
Yes! On JustSimpleChat, you can compare Claude Opus 4.7 and GPT-5.4 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.
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