Kimi K3 vs Nano Banana (Gemini 2.5 Flash Image)
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Kimi K3 and Nano Banana (Gemini 2.5 Flash Image).
Kimi K3
Kimi K3 is an ultra-large-scale, open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at navigating...
Nano Banana (Gemini 2.5 Flash Image)
Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation,...
Technical Specifications
| Specification | Kimi K3 | Nano Banana (Gemini 2.5 Flash Image) |
|---|---|---|
| Provider | Moonshot AI | |
| Context Window | 1,048,576 tokens | 32,768 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-07-16 | 2025-10-07 |
API Pricing Comparison
Input Price per Million Tokens
Kimi K3
$3.00
Nano Banana (Gemini 2.5 Flash Image)
$0.30
Output Price per Million Tokens
Kimi K3
$15.00
Nano Banana (Gemini 2.5 Flash Image)
$2.50
Want to test both models live?
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Kimi K3 Quirks & Gotchas
No developer gotchas reported.
Nano Banana (Gemini 2.5 Flash Image) Quirks & Gotchas
No developer gotchas reported.