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Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs GPT-5.4 Mini
List-price comparison · Nano Banana 2 (Gemini 3.1 Flash Image Preview) details · GPT-5.4 Mini details
For a typical workload (100,000 requests / mo), Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs 33% less — $180.00/mo vs $270.00/mo.
| Nano Banana 2 (Gemini 3.1 Flash Image Preview) | GPT-5.4 Mini | |
|---|---|---|
| Input / 1M tokens | $0.500 | $0.750 |
| Output / 1M tokens | $3.00 | $4.50 |
| Typical request (1,200 in + 400 out) | $0.0018 | $0.0027 |
| Context window | 131,072 tokens | 400k tokens |
| Max output | 65,536 tokens | 128k tokens |
| Tier | Balanced | Balanced |
| Provider | OpenAI |
Projected monthly cost
1,000 requests / month$1.80 vs $2.7010,000 requests / month$18.00 vs $27.00100,000 requests / month$180.00 vs $270.00
Rows open both models in the calculator — adjust volume and token counts there.
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Auto-synced from OpenRouter — no editorial write-up yet.
GPT-5.4 Mini
Good default for everyday chat, summarization, and lightweight agent steps where GPT-5.4-level reasoning isn't required.
Quality gap widens on long, multi-hop reasoning tasks — needs careful prompt design to avoid silent failures on edge cases.
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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.