Claude Sonnet 5 vs GPT 5.4 Nano
Anthropic's fifth-generation Sonnet — near-Opus intelligence at Sonnet speed and price.
Ultra-lightweight GPT-5.4 variant built for speed-critical, high-volume tasks.
No captured outputs for these models yet.
Frequently Asked Questions: Claude Sonnet 5 vs GPT 5.4 Nano▼
Which is better, Claude Sonnet 5 or GPT 5.4 Nano?
▼
Based on the Capability Index, Claude Sonnet 5 scores higher (80.1 vs 78.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Claude Sonnet 5 or GPT 5.4 Nano?
▼
GPT 5.4 Nano has a lower blended cost. Claude Sonnet 5: $3.00 input / $15.00 output. GPT 5.4 Nano: $0.20 input / $1.25 output.
Which has a larger context window, Claude Sonnet 5 or GPT 5.4 Nano?
▼
Claude Sonnet 5 has a larger context window: Claude Sonnet 5 supports 1M tokens vs GPT 5.4 Nano at 400K tokens.
Do both Claude Sonnet 5 and GPT 5.4 Nano support vision?
▼
Yes, both Claude Sonnet 5 and GPT 5.4 Nano support vision/image input.
What are the key differences between Claude Sonnet 5 and GPT 5.4 Nano?
▼
Key differences: GPT 5.4 Nano is significantly cheaper. Compare full specs on this page.
Which model should I choose for my use case?
▼
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 Claude Sonnet 5 and GPT 5.4 Nano for free on idapt.app to see which performs better for your specific needs.