GPT-5.4 distilled into a fast, cost-efficient model for high-throughput workloads.
Anthropic's fifth-generation Sonnet — near-Opus intelligence at Sonnet speed and price.
No shared demos for these models yet.
No captured outputs for these models yet.
Based on the Capability Index, GPT 5.4 Mini scores higher (80.8 vs 80.1). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
GPT 5.4 Mini has a lower blended cost. GPT 5.4 Mini: $0.75 input / $4.50 output. Claude Sonnet 5: $2.00 input / $10.00 output.
Claude Sonnet 5 has a larger context window: GPT 5.4 Mini supports 400K tokens vs Claude Sonnet 5 at 1M tokens.
Yes, both GPT 5.4 Mini and Claude Sonnet 5 support vision/image input.
Key differences: GPT 5.4 Mini is significantly cheaper. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 5.4 Mini and Claude Sonnet 5 for free on idapt.app to see which performs better for your specific needs.