Side by side
Nano Banana 2 (Gemini 3.1 Flash Image) vs Kimi K2 Thinking
Source: OpenRouter (live)
Live figures
The numbers
Best value in each row is highlighted. “Not declared” means the provider does not advertise the feature on its listing.
| Attribute | ||
|---|---|---|
| Input priceUSD per 1M tokens | $0.50 (best) | $0.60 |
| Output priceUSD per 1M tokens | $3.00 | $2.50 (best) |
| Blended price75% in / 25% out | $1.13 | $1.07 (best) |
| Vs. market median | 1.4× dearer | 1.3× dearer |
| Value rankcheapest = 1 | #244 | #239 (best) |
| Context windowtokens | 131K | 262K (best) |
| Max outputtokens | 33K | 98K (best) |
| Input modalities | image, text | text |
| Output modalities | image, text | text |
| Tool calling | Not declared | Declared |
| Reasoning | Declared | Declared |
| Structured output | Declared | Declared |
| Listed on OpenRouter | 2026-06-18 (best) | 2025-11-06 |
Blended price assumes a 3:1 input-to-output token mix. Median is across all 417 priced models.
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What the numbers say
- MoonshotAI: Kimi K2 Thinking is the cheapest here at $1.07/M blended — 1.0× less than Google: Nano Banana 2 (Gemini 3.1 Flash Image).
- MoonshotAI: Kimi K2 Thinking offers the largest context window (262K tokens) versus 131K for Google: Nano Banana 2 (Gemini 3.1 Flash Image).
- Tool calling is declared for MoonshotAI: Kimi K2 Thinking only.
Models
Model pages
Full pricing history, capabilities and alternatives for each model in this comparison.
$1.13
/M blended
Moonshot AI
$1.07
/M blended
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