API cost decision in 10 seconds

Nano Banana (Gemini 2.5 Flash Image) vs Kimi K2 0711

Pick Nano Banana (Gemini 2.5 Flash Image) for lower cost; pick Kimi K2 0711 only if the larger context window matters more.

Page updated: 2026-05-26T15:08:08Z Data confirmed: 2026-05-26T18:08:02Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Nano Banana (Gemini 2.5 Flash Image) for lower cost; pick Kimi K2 0711 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Nano Banana (Gemini 2.5 Flash Image) is estimated at $1.55 vs $1.72 for Kimi K2 0711, saving $0.17 (9.9% lower).

Cost-first pickNano Banana (Gemini 2.5 Flash Image)

Context-first pickKimi K2 0711

Sample savings$0.179.9%

10x traffic gap$1.7

Kimi K2 0711 has more context, but Nano Banana (Gemini 2.5 Flash Image) saves $0.17 on the standard workload. At 10x that traffic, the same price gap is about $1.7. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors Nano Banana (Gemini 2.5 Flash Image), balanced workload favors Nano Banana (Gemini 2.5 Flash Image), and output-heavy chatbot favors Kimi K2 0711.

Workload shape	Token mix	Better pick	Nano Banana (Gemini 2.5 Flash Image)	Kimi K2 0711
Input-heavy / RAG	5M input + 500K output	Nano Banana (Gemini 2.5 Flash Image)	$2.75	$4
Balanced workload	1M input + 1M output	Nano Banana (Gemini 2.5 Flash Image)	$2.8	$2.87
Output-heavy chatbot	1M input + 5M output	Kimi K2 0711	$12.8	$12.07

Cheaper input Nano Banana (Gemini 2.5 Flash Image) $0.3 vs $0.57 / 1M

Nano Banana (Gemini 2.5 Flash Image) is $0.27 cheaper per 1M input tokens (47.4% lower; 1.9x difference).

Cheaper output Kimi K2 0711 $2.5 vs $2.3 / 1M

Kimi K2 0711 is $0.2 cheaper per 1M output tokens (8% lower; 1.09x difference).

Larger context Kimi K2 0711 32.77K vs 131.07K

Kimi K2 0711 has 98.3K more context (4x larger).

Sample workload Nano Banana (Gemini 2.5 Flash Image) $1.55 vs $1.72

Nano Banana (Gemini 2.5 Flash Image) is $0.17 cheaper on the standard workload (9.9% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Nano Banana (Gemini 2.5 Flash Image) Calculating… Estimated API cost

Kimi K2 0711 Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Nano Banana (Gemini 2.5 Flash Image) has the lower input price; Kimi K2 0711 has the lower output price; Kimi K2 0711 offers the larger context window. For the 1M input plus 500K output sample, Nano Banana (Gemini 2.5 Flash Image) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $1.55 for Nano Banana (Gemini 2.5 Flash Image) and $1.72 for Kimi K2 0711.

Best Fit

Choose Nano Banana (Gemini 2.5 Flash Image) when you care most about lower input-token price.

Choose Kimi K2 0711 when you care most about lower output-token price, and larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Nano Banana (Gemini 2.5 Flash Image) is estimated at $1.55 vs $1.72 for Kimi K2 0711, saving $0.17 (9.9% lower).
Nano Banana (Gemini 2.5 Flash Image) is $0.17 cheaper on the standard workload (9.9% lower).
Nano Banana (Gemini 2.5 Flash Image) is $0.27 cheaper per 1M input tokens (47.4% lower; 1.9x difference).
Kimi K2 0711 is $0.2 cheaper per 1M output tokens (8% lower; 1.09x difference).
Kimi K2 0711 has 98.3K more context (4x larger).

Head-to-Head Specs

Feature	Nano Banana (Gemini 2.5 Flash Image) (Google)	Kimi K2 0711 (MoonshotAI)
Input Price prompt tokens per 1M	$0.3	$0.57
Completion Price per 1M tokens	$2.5	$2.3
Sample Workload Cost 1M input + 500K output	$1.55	$1.72
Context Window	32.77K	131.07K
Release Date	2025-10-07	2025-07-11
Popularity	#121	#140

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Nano Banana (Gemini 2.5 Flash Image)	On the standard 1M input plus 500K output workload, Nano Banana (Gemini 2.5 Flash Image) is estimated at $1.55 vs $1.72 for Kimi K2 0711, saving $0.17 (9.9% lower).
High-volume input processing	Nano Banana (Gemini 2.5 Flash Image)	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Kimi K2 0711	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Kimi K2 0711	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Gemma 4 31B (free) can replace Nano Banana (Gemini 2.5 Flash Image) when lower sample workload cost matters most: $0.
Gemma 4 26B A4B (free) can replace Nano Banana (Gemini 2.5 Flash Image) when lower sample workload cost matters most: $0.
Lyria 3 Clip Preview can replace Nano Banana (Gemini 2.5 Flash Image) when lower sample workload cost matters most: $0.
Lyria 3 Pro Preview can replace Nano Banana (Gemini 2.5 Flash Image) when lower sample workload cost matters most: $0.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.
DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.
DeepSeek V4 Pro offers 1.05M context with $0.87 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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Google catalog

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MoonshotAI catalog

Check other MoonshotAI models with comparable pricing, context, or release timing.

Open MoonshotAI models

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,...

Kimi K2 0711

Kimi K2 Instruct is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32 billion active per forward pass. It is optimized for...