Updated March 26, 2026· Based on independent benchmark data
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) leads in intelligence with a score of 51.7 vs 48.1. GPT-5.4 mini (xhigh) is 4.0x cheaper at $0.75/1M tokens vs $3.00/1M. For speed, GPT-5.4 mini (xhigh) wins at 218 tok/s vs 71 tok/s.
| Metric | GPT-5.4 mini (xhigh) | Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) |
|---|---|---|
| Intelligence Score | 48.1 | 51.7 |
| Coding Score | 51.5 | 50.9 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 218 tok/s | 71 tok/s |
| Latency (TTFT) | 7.45s | 32.16s |
| Input Price / 1M tokens | $0.75 | $3.00 |
| Output Price / 1M tokens | $4.50 | $15 |
| Context Window |
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) outperforms GPT-5.4 mini (xhigh) on the intelligence index with a score of 51.7 compared to 48.1. Their coding capabilities are closely matched (51.5 vs 50.9).
GPT-5.4 mini (xhigh) generates output significantly faster at 218 tok/s compared to Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)'s 71 tok/s, making it 3.1x faster for streaming responses. Time to first token is 7.45s for GPT-5.4 mini (xhigh) vs 32.16s for Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort), which affects perceived responsiveness in interactive applications.
GPT-5.4 mini (xhigh) is more affordable at $0.75/1M input tokens ($4.50/1M output), while Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) costs $3.00/1M input ($15/1M output). That makes Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) 4.0x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, GPT-5.4 mini (xhigh) would cost approximately $4.50/month vs $18.00/month for Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) in input costs alone.
Choose GPT-5.4 mini (xhigh) when you need faster output (218 tok/s), lower cost. Choose Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) when you need higher intelligence (51.7).
GPT-5.4 mini (xhigh) scores higher on coding benchmarks (51.5 vs 50.9), making it the better choice for programming tasks.
GPT-5.4 mini (xhigh) is cheaper at $0.75/1M input tokens vs $3.00/1M for Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort).
GPT-5.4 mini (xhigh) is faster, producing output at 218 tok/s compared to Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)'s 71 tok/s.
No, GPT-5.4 mini (xhigh) does not support image input. Neither model supports image input.
Data last synced: March 26, 2026
| N/A |
| N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
It depends on your priorities. Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) scores higher on intelligence (51.7), but GPT-5.4 mini (xhigh) may be better for specific use cases like budget-conscious projects or speed-critical applications.