GPT-5.4 mini vs GPT-Realtime 2.1: pricing, specs & reviews compared
Side-by-side comparison of GPT-5.4 mini (openai) and GPT-Realtime 2.1 (openai) — pricing per million tokens, context length, licensing, benchmarks and community reviews on Reviuws.
| Spec | GPT-5.4 mini | GPT-Realtime 2.1 |
|---|---|---|
| Provider | openai | openai |
| License | closed | closed |
| Parameters | — | — |
| Context | 400k | — |
| Input price / M tok | $0.75 | — |
| Output price / M tok | $4.5 | — |
| Rating | 0.0 (0) | 0.0 (0) |