API cost decision in 10 seconds

Nano Banana (Gemini 2.5 Flash Image) vs Mistral Medium 3.1

Pick Mistral Medium 3.1 when budget and context both matter.

Page updated: 2026-05-26T15:08:08Z Data confirmed: 2026-05-28T03:07:35Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Mistral Medium 3.1 when budget and context both matter.

On the standard 1M input plus 500K output workload, Mistral Medium 3.1 is estimated at $1.4 vs $1.55 for Nano Banana (Gemini 2.5 Flash Image), saving $0.15 (9.7% lower).

Cost-first pickMistral Medium 3.1

Context-first pickMistral Medium 3.1

Sample savings$0.159.7%

10x traffic gap$1.5

Mistral Medium 3.1 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $1.5. 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 Mistral Medium 3.1, and output-heavy chatbot favors Mistral Medium 3.1.

Workload shape	Token mix	Better pick	Nano Banana (Gemini 2.5 Flash Image)	Mistral Medium 3.1
Input-heavy / RAG	5M input + 500K output	Nano Banana (Gemini 2.5 Flash Image)	$2.75	$3
Balanced workload	1M input + 1M output	Mistral Medium 3.1	$2.8	$2.4
Output-heavy chatbot	1M input + 5M output	Mistral Medium 3.1	$12.8	$10.4

Cheaper input Nano Banana (Gemini 2.5 Flash Image) $0.3 vs $0.4 / 1M

Nano Banana (Gemini 2.5 Flash Image) is $0.1 cheaper per 1M input tokens (25% lower; 1.33x difference).

Cheaper output Mistral Medium 3.1 $2.5 vs $2 / 1M

Mistral Medium 3.1 is $0.5 cheaper per 1M output tokens (20% lower; 1.25x difference).

Larger context Mistral Medium 3.1 32.77K vs 131.07K

Mistral Medium 3.1 has 98.3K more context (4x larger).

Sample workload Mistral Medium 3.1 $1.55 vs $1.4

Mistral Medium 3.1 is $0.15 cheaper on the standard workload (9.7% 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

Mistral Medium 3.1 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; Mistral Medium 3.1 has the lower output price; Mistral Medium 3.1 offers the larger context window. For the 1M input plus 500K output sample, Mistral Medium 3.1 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 $1.4 for Mistral Medium 3.1.

Best Fit

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

Choose Mistral Medium 3.1 when you care most about lower output-token price, and larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Mistral Medium 3.1 is estimated at $1.4 vs $1.55 for Nano Banana (Gemini 2.5 Flash Image), saving $0.15 (9.7% lower).
Mistral Medium 3.1 is $0.15 cheaper on the standard workload (9.7% lower).
Nano Banana (Gemini 2.5 Flash Image) is $0.1 cheaper per 1M input tokens (25% lower; 1.33x difference).
Mistral Medium 3.1 is $0.5 cheaper per 1M output tokens (20% lower; 1.25x difference).
Mistral Medium 3.1 has 98.3K more context (4x larger).

Head-to-Head Specs

Feature	Nano Banana (Gemini 2.5 Flash Image) (Google)	Mistral Medium 3.1 (Mistral)
Input Price prompt tokens per 1M	$0.3	$0.4
Completion Price per 1M tokens	$2.5	$2
Sample Workload Cost 1M input + 500K output	$1.55	$1.4
Context Window	32.77K	131.07K
Release Date	2025-10-07	2025-08-13
Popularity	#114	#147

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Mistral Medium 3.1	On the standard 1M input plus 500K output workload, Mistral Medium 3.1 is estimated at $1.4 vs $1.55 for Nano Banana (Gemini 2.5 Flash Image), saving $0.15 (9.7% 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	Mistral Medium 3.1	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Mistral Medium 3.1	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 Pro Preview 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.

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

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

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Google catalog

Review all tracked Google models before deciding whether this matchup is the right shortlist.

Open Google models

Mistral catalog

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

Open Mistral 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,...

Mistral Medium 3.1

Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...