Is Nano Banana (Gemini 2.5 Flash Image) or Kimi K2.5 cheaper?

Nano Banana (Gemini 2.5 Flash Image) is cheaper on output tokens ($2.50 vs $3.00 per 1M).

Which has the larger context window, Nano Banana (Gemini 2.5 Flash Image) or Kimi K2.5?

Kimi K2.5 has the larger context window (262K tokens).

Nano Banana (Gemini 2.5 Flash Image) vs Kimi K2.5

Nano Banana (Gemini 2.5 Flash Image) is cheaper on output tokens, while Kimi K2.5 offers a larger context window. Choose Nano Banana (Gemini 2.5 Flash Image) or Kimi K2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Nano Banana (Gemini 2.5 Flash Image)	Kimi K2.5
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$0.30	$0.60
Output / 1M tokens	$2.50	$3.00
Context window	33K	262K
Parameters	—	1T
Open weights	No	Yes
Released	Aug 2025	Jan 2026

Nano Banana (Gemini 2.5 Flash Image) details →Kimi K2.5 details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.