Claude Sonnet 4.6 vs GPT-5.4 Mini
Complete 2025 Comparison
Side-by-side comparison of Claude Sonnet 4.6 and GPT-5.4 Mini. Compare performance, pricing, capabilities, context windows, and more to choose the best AI model for your needs.
Quick Comparison
| Feature | Claude Sonnet 4.6 | GPT-5.4 Mini | Winner |
|---|---|---|---|
| Provider | Anthropic | OpenAI | - |
| Context Window | 1,000,000 tokens | 400,000 tokens | Claude Sonnet 4.6 |
| Output Limit | 64,000 tokens | 128,000 tokens | GPT-5.4 Mini |
| Speed | balanced | fast | GPT-5.4 Mini |
| Input Price | $0.003/1K tokens | $0.00075/1K tokens | GPT-5.4 Mini |
| Output Price | $0.015/1K tokens | $0.0045/1K tokens | GPT-5.4 Mini |
| Vision Support | Yes | Yes | Both |
| Function Calling | Yes | Yes | Both |
| Reasoning | Yes | Yes | Both |
| Code Generation | Yes | Yes | Both |
| Total Capabilities | 11 | 15 | GPT-5.4 Mini |
| Tier | advanced | advanced | - |
Performance Comparison
⚡Claude Sonnet 4.6
Latest Anthropic Sonnet model with frontier coding, million-token context, and strong agentic tool use.
⚡GPT-5.4 Mini
Smaller GPT-5.4 variant tuned for fast multimodal chat, tool use, and lower-cost reasoning workloads.
Pricing Comparison
Claude Sonnet 4.6 Pricing
GPT-5.4 Mini 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
Claude Sonnet 4.6 Capabilities
- ✓reasoning
- ✓vision
- ✓function calling
- ✓extended thinking
- ✓multimodal
- ✓native web search
- ✓code generation
- ✓code execution
- ✓analysis
- ✓tool use
- ✓long context
GPT-5.4 Mini Capabilities
- ✓reasoning
- ✓vision
- ✓multimodal
- ✓analysis
- ✓function calling
- ✓structured output
- ✓web search
- ✓code interpreter
- ✓hosted shell
- ✓apply patch
- ✓skills
- ✓mcp
- ✓code generation
- ✓fast response
- ✓long context
Which Should You Choose?
⚡Choose Claude Sonnet 4.6 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 Mini if you need:
- •Faster response times (fast speed rating)
- •More cost-effective pricing ($0.00075 vs $0.003 per 1K input tokens)
- •OpenAI ecosystem integration
Best of Both Worlds
With JustSimpleChat, you don't have to choose! Access both Claude Sonnet 4.6 and GPT-5.4 Miniin 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 Sonnet 4.6 or GPT-5.4 Mini?
The choice between Claude Sonnet 4.6 and GPT-5.4 Mini depends on your specific needs. Claude Sonnet 4.6 has a larger context window (1,000,000 vs 400,000 tokens), making it better for long documents. GPT-5.4 Mini provides faster response times. Try both on JustSimpleChat to see which fits your workflow.
Is Claude Sonnet 4.6 faster than GPT-5.4 Mini?
Speed comparison: Claude Sonnet 4.6 is rated as "balanced" while GPT-5.4 Mini is rated as "fast". GPT-5.4 Mini generally provides quicker results. However, actual speed can vary based on request complexity, server load, and the specific task being performed.
Which costs less, Claude Sonnet 4.6 or GPT-5.4 Mini?
Pricing comparison: Claude Sonnet 4.6 costs $0.003/1K input tokens and $0.015/1K output tokens, while GPT-5.4 Mini costs $0.00075/1K input and $0.0045/1K output. GPT-5.4 Mini is more affordable for input processing. On JustSimpleChat, you can access both models with transparent usage tracking and flexible pricing plans.
Does Claude Sonnet 4.6 have a larger context window than GPT-5.4 Mini?
Context window comparison: Claude Sonnet 4.6 supports 1,000,000 input tokens, while GPT-5.4 Mini supports 400,000 tokens. Claude Sonnet 4.6 has a 150% larger context window, making it better for processing long documents, entire codebases, or extensive conversations.
Which is better for coding, Claude Sonnet 4.6 or GPT-5.4 Mini?
For coding tasks: Both Claude Sonnet 4.6 and GPT-5.4 Mini support code generation. Claude Sonnet 4.6 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 Sonnet 4.6 and GPT-5.4 Mini on JustSimpleChat?
Yes! JustSimpleChat provides access to both Claude Sonnet 4.6 and GPT-5.4 Mini, 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 Sonnet 4.6 and GPT-5.4 Mini?
Key differences: 1) Context Window: Claude Sonnet 4.6 (1,000,000 tokens) vs GPT-5.4 Mini (400,000 tokens). 2) Speed: balanced vs fast. 3) Capabilities: Claude Sonnet 4.6 supports reasoning, vision, function_calling, extended_thinking, multimodal, native_web_search, code_generation, code_execution, analysis, tool_use, long_context, while GPT-5.4 Mini supports reasoning, vision, multimodal, analysis, function_calling, structured_output, web_search, code_interpreter, hosted_shell, apply_patch, skills, mcp, code_generation, fast_response, long_context. 4) Provider: Anthropic vs OpenAI. 5) Use Cases: Claude Sonnet 4.6 excels at latest anthropic sonnet model with frontier coding, million-token context, and strong agentic tool use., while GPT-5.4 Mini is optimized for smaller gpt-5.4 variant tuned for fast multimodal chat, tool use, and lower-cost reasoning workloads..
How do I choose between Claude Sonnet 4.6 and GPT-5.4 Mini?
Choose Claude Sonnet 4.6 if you need a larger context window for long documents. Choose GPT-5.4 Mini if you prioritize speed and efficiency. The best way to decide is to try both on JustSimpleChat with your actual use cases.
Is Claude Sonnet 4.6 or GPT-5.4 Mini better for business use?
For business applications: Both models are suitable for business use. Consider factors like context window (Claude Sonnet 4.6: 1,000,000, GPT-5.4 Mini: 400,000), pricing, and specific capabilities. JustSimpleChat offers team plans with both models, centralized billing, and usage analytics.
Can I compare Claude Sonnet 4.6 and GPT-5.4 Mini side-by-side?
Yes! On JustSimpleChat, you can compare Claude Sonnet 4.6 and GPT-5.4 Mini 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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