Google: Nano Banana 2 (Gemini 3.1 Flash Image) vs OpenAI: GPT-5.4 Image 2
Google: Nano Banana 2 (Gemini 3.1 Flash Image) is 16× cheaper for input tokens: Google: Nano Banana 2 (Gemini 3.1 Flash Image) costs $0.50 per M and OpenAI: GPT-5.4 Image 2 costs $8.00 per M. Google: Nano Banana 2 (Gemini 3.1 Flash Image) is 5× cheaper for output tokens: Google: Nano Banana 2 (Gemini 3.1 Flash Image) costs $3.00 per M and OpenAI: GPT-5.4 Image 2 costs $15.00 per M. OpenAI: GPT-5.4 Image 2 reads more: Google: Nano Banana 2 (Gemini 3.1 Flash Image) takes up to 131,072 tokens of context and OpenAI: GPT-5.4 Image 2 up to 272,000. Google: Nano Banana 2 (Gemini 3.1 Flash Image) accepts image, text; OpenAI: GPT-5.4 Image 2 accepts file, image, text.
| Google: Nano Banana 2 (Gemini 3.1 Flash Image) | OpenAI: GPT-5.4 Image 2 | |
|---|---|---|
| Model id | google/gemini-3.1-flash-image | openai/gpt-5.4-image-2 |
| Input | $0.50 per M | $8.00 per M |
| Output | $3.00 per M | $15.00 per M |
| Context length | 131,072 tokens | 272,000 tokens |
| Accepts | image, text | file, image, text |
| Produces | image, text | image, text |
| Served by | openai |
Prices are the providers' list prices per million tokens, as of . Both run on your own provider key through one OpenAI-compatible endpoint, with no fee on the tokens.