GPT-5.4 mini vs Nano Banana 2 (Gemini 3.1 Flash Image): pricing, specs & reviews compared
Side-by-side comparison of GPT-5.4 mini (openai) and Nano Banana 2 (Gemini 3.1 Flash Image) (google) — pricing per million tokens, context length, licensing, benchmarks and community reviews on Reviuws.
| Spec | GPT-5.4 mini | Nano Banana 2 (Gemini 3.1 Flash Image) |
|---|---|---|
| Provider | openai | |
| License | closed | closed |
| Parameters | — | — |
| Context | 400k | — |
| Input price / M tok | $0.75 | $0.5 |
| Output price / M tok | $4.5 | $60 |
| Rating | 0.0 (0) | 0.0 (0) |