API cost decision in 10 seconds

🔥DeepSeek V4 Flash 0423 vs Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Pick DeepSeek V4 Flash 0423 when budget and context both matter.

Page updated: 2026-08-23T12:07:48Z Data confirmed: 2026-08-23T12:07:48Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick DeepSeek V4 Flash 0423 when budget and context both matter.

On the standard 1M input plus 500K output workload, DeepSeek V4 Flash 0423 is estimated at $0.1 vs $1 for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image), saving $0.9 (89.9% lower).

Cost-first pickDeepSeek V4 Flash 0423

Context-first pickDeepSeek V4 Flash 0423

Sample savings$0.989.9%

10x traffic gap$8.99

DeepSeek V4 Flash 0423 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $8.99. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

DeepSeek V4 Flash 0423 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	DeepSeek V4 Flash 0423	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
Input-heavy / RAG	5M input + 500K output	DeepSeek V4 Flash 0423	$0.3	$2
Balanced workload	1M input + 1M output	DeepSeek V4 Flash 0423	$0.15	$1.75
Output-heavy chatbot	1M input + 5M output	DeepSeek V4 Flash 0423	$0.55	$7.75

Cheaper input DeepSeek V4 Flash 0423 $0.0503 vs $0.25 / 1M

DeepSeek V4 Flash 0423 is $0.2 cheaper per 1M input tokens (79.9% lower; 4.97x difference).

Cheaper output DeepSeek V4 Flash 0423 $0.1005 vs $1.5 / 1M

DeepSeek V4 Flash 0423 is $1.4 cheaper per 1M output tokens (93.3% lower; 14.9x difference).

Larger context DeepSeek V4 Flash 0423 1.05M vs 65.54K

DeepSeek V4 Flash 0423 has 983.04K more context (16x larger).

Sample workload DeepSeek V4 Flash 0423 $0.1 vs $1

DeepSeek V4 Flash 0423 is $0.9 cheaper on the standard workload (89.9% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

DeepSeek V4 Flash 0423 Calculating… Estimated API cost

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) 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

DeepSeek V4 Flash 0423 has the lower input price; DeepSeek V4 Flash 0423 has the lower output price; DeepSeek V4 Flash 0423 offers the larger context window. For the 1M input plus 500K output sample, DeepSeek V4 Flash 0423 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.1 for DeepSeek V4 Flash 0423 and $1 for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image).

Best Fit

Choose DeepSeek V4 Flash 0423 when you care most about lower input-token price, lower output-token price, and larger context window.

Choose Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes

On the standard 1M input plus 500K output workload, DeepSeek V4 Flash 0423 is estimated at $0.1 vs $1 for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image), saving $0.9 (89.9% lower).
DeepSeek V4 Flash 0423 is $0.9 cheaper on the standard workload (89.9% lower).
DeepSeek V4 Flash 0423 is $0.2 cheaper per 1M input tokens (79.9% lower; 4.97x difference).
DeepSeek V4 Flash 0423 is $1.4 cheaper per 1M output tokens (93.3% lower; 14.9x difference).
DeepSeek V4 Flash 0423 has 983.04K more context (16x larger).

Head-to-Head Specs

Feature	🔥DeepSeek V4 Flash 0423 (DeepSeek)	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) (Google)
Input Price prompt tokens per 1M	$0.0503	$0.25
Completion Price per 1M tokens	$0.1005	$1.5
Sample Workload Cost 1M input + 500K output	$0.1	$1
Context Window	1.05M	65.54K
Release Date	2026-04-24	2026-06-30
Popularity	#5

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	DeepSeek V4 Flash 0423	On the standard 1M input plus 500K output workload, DeepSeek V4 Flash 0423 is estimated at $0.1 vs $1 for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image), saving $0.9 (89.9% lower).
High-volume input processing	DeepSeek V4 Flash 0423	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	DeepSeek V4 Flash 0423	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	DeepSeek V4 Flash 0423	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

DeepSeek V4 Flash (free) can replace DeepSeek V4 Flash 0423 when lower sample workload cost matters most: $0.
Gemma 4 26B A4B (free) can replace Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when lower sample workload cost matters most: $0.
Gemma 4 31B (free) can replace Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when lower sample workload cost matters most: $0.
Lyria 3 Pro Preview can replace Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when lower sample workload cost matters most: $0.

Larger context near this budget

DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
Llama 4 Scout offers 1.31M context with $0.25 sample workload cost.
MiMo-V2.5 offers 1.05M context with $0.28 sample workload cost.

Popular competitors

DeepSeek V4 Flash 0731 · DeepSeek · #1
MiMo-V2.5 · Xiaomi · #2
Hy3 · Tencent · #3
Ox Alpha · stealth · #4

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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DeepSeek catalog

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Google catalog

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DeepSeek V4 Flash 0423

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers text-to-image generation...