Google Nano Banana 2 (Gemini 3.1 Flash Image) vs MoonshotAI Kimi K2.7 Code
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
- Both cost about the same at a typical 3:1 input/output mix.
- Kimi K2.7 Code accepts longer prompts: 262K vs 131K tokens.
| Nano Banana 2 (Gemini 3.1 Flash Image) | Kimi K2.7 Code | |
|---|---|---|
| Vendor | MoonshotAI | |
| Released | 2026-06-18 | 2026-06-12 |
| Input / 1M | $0.50 | $0.56 |
| Output / 1M | $3.00 | $3.10 |
| Cached input / 1M | — | $0.15 |
| Blended / 1M (3:1) | $1.13 | $1.20 |
| Context | 131K | 262K |
| Max output | 33K | 236K |
| Accepts | text, image | text, image |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 3 | 12 |
| Cheapest provider, output | $3.00 | $3.00 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | Operational |
Cost calculator
Nano Banana 2 (Gemini 3.1 Flash Image)
$75.00 per month$2.50 per day
Kimi K2.7 Code
$80.10 per month$2.67 per day
Nano Banana 2 (Gemini 3.1 Flash Image) saves $5.10 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Nano Banana 2 (Gemini 3.1 Flash Image) with