| Azure OpenAI: gpt-5.4-nano | S | — | — | — | — | $0.2$1.25 |
| OpenAI: gpt-5.4-nano-20260317 | RTJJMSB | — | — | 400K | 128K | $0.2$1.25 |
| OpenAI: gpt-5.4-nano | RTJJMSB | — | — | 400K | 128K | $0.2$1.25 |
| OpenRouter: openai/gpt-5.4-nano-20260317 | S | — | — | — | — | $0.2$1.25 |
| OpenRouter: openai/gpt-5.4-nano | S | — | — | — | — | $0.2$1.25 |
| Azure OpenAI: gpt-5.4-mini | S | — | — | — | — | $0.75$4.5 |
| OpenAI: gpt-5.4-mini-20260317 | RTJJMSB | — | — | 400K | 128K | $0.75$4.5 |
| OpenAI: gpt-5.4-mini | RTJJMSB | — | — | 400K | 128K | $0.75$4.5 |
| OpenRouter: openai/gpt-5.4-mini-20260317 | S | — | — | — | — | $0.75$4.5 |
| OpenRouter: openai/gpt-5.4-mini | S | — | — | — | — | $0.75$4.5 |
| Azure OpenAI: gpt-5.4 | S | — | — | — | — | $2.5$15 |
| OpenAI: gpt-5.4-20260305 | RTJJMSB | — | — | 1.1M | 128K | $2.5$15 |
| OpenAI: gpt-5.4 | RTJJMSB | — | — | 1.1M | 128K | $2.5$15 |
| OpenRouter: openai/gpt-5.4-20260305 | S | — | — | — | — | $2.5$15 |
| OpenRouter: openai/gpt-5.4 | S | — | — | — | — | $2.5$15 |
| Azure OpenAI: gpt-5.4-pro | S | — | — | — | — | $30$180 |
| OpenAI: gpt-5.4-pro-20260305 | RTS | — | — | 1.1M | 128K | $30$180 |
| OpenAI: gpt-5.4-pro | RTS | — | — | 1.1M | 128K | $30$180 |
| OpenRouter: openai/gpt-5.4-pro-20260305 | S | — | — | — | — | $30$180 |
| OpenRouter: openai/gpt-5.4-pro | S | — | — | — | — | $30$180 |