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Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs GPT-5.4 Nano
List-price comparison ·Nano Banana 2 (Gemini 3.1 Flash Image Preview) details ·GPT-5.4 Nano details
For a typical workload (100,000 requests / mo), GPT-5.4 Nano is the cheapest — 59% less than the priciest here ($74.00/mo vs $180.00/mo).
| Nano Banana 2 (Gemini 3.1 Flash Image Preview) | GPT-5.4 Nano | |
|---|---|---|
| Input / 1M tokens | $0.500 | $0.200 |
| Output / 1M tokens | $3.00 | $1.25 |
| Typical request (1,200 in + 400 out) | $0.0018 | $0.0007 |
| Context window | 65,536 tokens | 400k tokens |
| Max output | 65,536 tokens | 128k tokens |
| Quality score | 72/100 | 62/100 |
| Tier | Flash | Flash |
| Provider | OpenAI |
Projected monthly cost
| Requests / mo | Nano Banana 2 (Gemini 3.1 Flash Image Preview) | GPT-5.4 Nano |
|---|---|---|
| 1,000 | $1.80 | $0.74 |
| 10,000 | $18.00 | $7.40 |
| 100,000 | $180.00 | $74.00 |
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
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GPT-5.4 Nano
Cheapest OpenAI option for high-throughput classification, tagging, and routing — ideal as a first-pass filter before a stronger model.
Limited reasoning depth means it should be treated as a triage layer, not a final answer source, for anything business-critical.
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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.