Google Nano Banana (Gemini 2.5 Flash Image) vs OpenAI GPT Audio Mini
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Nano Banana (Gemini 2.5 Flash Image) is 1.2× cheaper at a typical mix of 3 input tokens per output token.
- GPT Audio Mini accepts longer prompts: 128K vs 33K tokens.
- Nano Banana (Gemini 2.5 Flash Image)'s best provider was more reliable over 24 h: 100% vs 99.47%.
- GPT Audio Mini is the newer model (released 2026-01-19).
| Nano Banana (Gemini 2.5 Flash Image) | GPT Audio Mini | |
|---|---|---|
| Vendor | OpenAI | |
| Released | 2025-10-07 | 2026-01-19 |
| Input / 1M | $0.30 | $0.60 |
| Output / 1M | $2.50 | $2.40 |
| Cached input / 1M | $0.03 | — |
| Blended / 1M (3:1) | $0.85 | $1.05 |
| Context | 33K | 128K |
| Max output | 8K | 16K |
| Accepts | text, image | text, audio |
| Reasoning | No | No |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $2.50 | $2.40 |
| Best provider uptime, 24 h | 100% | 99.47% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | Operational |
Cost calculator
Nano Banana (Gemini 2.5 Flash Image)
$55.50 per month$1.85 per day
GPT Audio Mini
$72.00 per month$2.40 per day
Nano Banana (Gemini 2.5 Flash Image) saves $16.50 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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