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Model comparison · Updated 17 Aug 2026

Nano Banana (Gemini 2.5 Flash Image) vs Mistral Small 3.1 24B

Nano Banana (Gemini 2.5 Flash Image) is about 1.2× cheaper on input ($0.30 against $0.35 per 1M tokens), though Mistral Small 3.1 24B is cheaper on output. Mistral Small 3.1 24B has the larger context window (128K against 33K tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $360 a month for Nano Banana (Gemini 2.5 Flash Image) and $208 for Mistral Small 3.1 24B.

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ModelsAtlas. “Nano Banana (Gemini 2.5 Flash Image) vs Mistral Small 3.1 24B”. Retrieved 17 Aug 2026. https://modelsatlas.com/compare/google/gemini-2-5-flash-image/vs/mistralai/mistral-small-3-1-24b-instruct

Model A

Nano Banana (Gemini 2.5 Flash Image)

by Google · weights not marked open · GRIDD2

Input / 1M
$0.30
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
Output / 1M$2.50
Context33K
vs

Model B

Mistral Small 3.1 24B

by Mistral AI · weights not marked open · GRIDD2

Input / 1M
$0.35
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
Output / 1M$0.56
Context128K

Key numbers

Standard tier · highlighted = better

Nano Banana (Gemini 2.5 Flash Image)
Mistral Small 3.1 24B
Input / 1M tokens
$0.30
$0.35
Output / 1M tokens
$2.50
$0.56
Batch input / output
Not listed
Not listed
Context window
32,768
128,000
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
standard
standard
Prices checked
2026-08-17
2026-08-17

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$360/mo
$208/mo
RAG over documents2k queries/day · 12k in, 500 out
$291/mo
$269/mo
Coding agent300 tasks/day · 60k in, 8k out
$342/mo
$229/mo

Nano Banana (Gemini 2.5 Flash Image)   Mistral Small 3.1 24B · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

Same square. Nano Banana (Gemini 2.5 Flash Image) and Mistral Small 3.1 24B share D2.

Same square as Nano Banana (Gemini 2.5 Flash Image): MiniMax M2-her ($0.30), Qwen2.5 72B Instruct ($0.36), WizardLM-2 8x22B ($0.62). Open D2

AFreeB<$0.10C$0.10–0.30D$0.30–1E$1–3F$3–10G$10–30H$30+1<32K232–128K3128–256K4256K–1M51M6>1MINPUT PRICE PER 1M TOKENS →CONTEXT WINDOW ↑ · position within a square follows the real valueMiniMax M2-her · D2Qwen2.5 72B Instruct · D2WizardLM-2 8x22B · D2Qwen2.5 Coder 32B Instruct · D2Qwen2.5 VL 72B Instruct · D2Nano Banana (Gemini 2.5 Flash Image)Nano Banana (Gemini 2.5 Flash Image)Mistral Small 3.1 24BMistral Small 3.1 24B
Nano Banana (Gemini 2.5 Flash Image)Mistral Small 3.1 24BNearest neighboursOpen weights
View the map as a table (1 squares)
SquarePrice bandContext bandModels
GRIDD2$0.30–132–128KNano Banana (Gemini 2.5 Flash Image), Mistral Small 3.1 24B, MiniMax M2-her, Qwen2.5 72B Instruct, WizardLM-2 8x22B, Qwen2.5 Coder 32B Instruct, Qwen2.5 VL 72B Instruct

Capabilities side by side

Only what our records list

Nano Banana (Gemini 2.5 Flash Image)
Mistral Small 3.1 24B
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Not listed
Not listed
Free tier
Not listed
Not listed
Thinking tier
Not listed
Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose Nano Banana (Gemini 2.5 Flash Image) if…

  • you pay by the token: it costs $0.30 per 1M input against $0.35

Choose Mistral Small 3.1 24B if…

  • output dominates your bill: $0.56 per 1M output against $2.50
  • your prompts are long: it takes 128,000 tokens against 32,768

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is Nano Banana (Gemini 2.5 Flash Image) better than Mistral Small 3.1 24B?
We do not benchmark quality, so we cannot say. On the recorded numbers: Nano Banana (Gemini 2.5 Flash Image) is about 1.2× cheaper on input ($0.30 against $0.35 per 1M tokens), though Mistral Small 3.1 24B is cheaper on output. Mistral Small 3.1 24B has the larger context window (128K against 33K tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $360 a month for Nano Banana (Gemini 2.5 Flash Image) and $208 for Mistral Small 3.1 24B. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, Nano Banana (Gemini 2.5 Flash Image) or Mistral Small 3.1 24B?
Nano Banana (Gemini 2.5 Flash Image): $0.30 against $0.35 per 1M input tokens, and $2.50 against $0.56 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
Nano Banana (Gemini 2.5 Flash Image): $0.30 input and $2.50 output. Mistral Small 3.1 24B: $0.35 input and $0.56 output. Standard tier, USD.
Which has the larger context window?
Mistral Small 3.1 24B, with 128,000 tokens. Nano Banana (Gemini 2.5 Flash Image) has 32,768 tokens.
Do both offer batch pricing?
Neither lists a batch tier in our catalogue.
Can both read images or audio?
Input types recorded for Nano Banana (Gemini 2.5 Flash Image): none recorded. For Mistral Small 3.1 24B: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.
Is either model open-weight?
Nano Banana (Gemini 2.5 Flash Image): not marked open-weight in our records. Mistral Small 3.1 24B: not marked open-weight in our records.
What would each cost for a support chatbot?
At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $360 a month for Nano Banana (Gemini 2.5 Flash Image) and $208 for Mistral Small 3.1 24B. This is our calculation from the listed prices, not a quote.

About the two models

Nano Banana (Gemini 2.5 Flash Image)

By Google. $0.30 input and $2.50 output per 1M tokens, 33K context, atlas square D2. Tiers listed: standard.

Full specs & pricing →

Mistral Small 3.1 24B

By Mistral AI. $0.35 input and $0.56 output per 1M tokens, 128K context, atlas square D2. Tiers listed: standard.

Full specs & pricing →

Compare Nano Banana (Gemini 2.5 Flash Image) with…

Compare Mistral Small 3.1 24B with…

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