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Nano Banana 2 (Gemini 3.1 Flash Image) vs GPT-5.4
List-price comparison · Nano Banana 2 (Gemini 3.1 Flash Image) details · GPT-5.4 details
For a typical workload (100,000 requests / mo), Nano Banana 2 (Gemini 3.1 Flash Image) costs 80% less — $180.00/mo vs $900.00/mo.
| Nano Banana 2 (Gemini 3.1 Flash Image) | GPT-5.4 | |
|---|---|---|
| Input / 1M tokens | $0.500 | $2.50 |
| Output / 1M tokens | $3.00 | $15.00 |
| Typical request (1,200 in + 400 out) | $0.0018 | $0.009 |
| Context window | 131,072 tokens | 1050k tokens |
| Max output | 65,536 tokens | 128k tokens |
| Tier | Flash | Flagship |
| Provider | OpenAI |
Projected monthly cost
1,000 requests / month$1.80 vs $9.0010,000 requests / month$18.00 vs $90.00100,000 requests / month$180.00 vs $900.00
Rows open both models in the calculator — adjust volume and token counts there.
Nano Banana 2 (Gemini 3.1 Flash Image)
Auto-synced from OpenRouter — no editorial write-up yet.
GPT-5.4
Excellent general-purpose reasoning and broad world knowledge, with strong performance on coding, math, and multi-modal (image + file) inputs.
Output tokens are priced well above input tokens, so verbose responses dominate cost — tight max-token limits and prompt caching matter.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.