Mistral Small 4 is $1.85 cheaper per 1M input tokens (92.5% lower; 13.3x difference).
API cost decision in 10 seconds
Mistral Small 4 vs Nano Banana Pro (Gemini 3 Pro Image Preview)
Pick Mistral Small 4 when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Mistral Small 4 when budget and context both matter.
On the standard 1M input plus 500K output workload, Mistral Small 4 is estimated at $0.45 vs $8 for Nano Banana Pro (Gemini 3 Pro Image Preview), saving $7.55 (94.4% lower).
Cost-first pickMistral Small 4
Context-first pickMistral Small 4
Sample savings$7.5594.4%
10x traffic gap$75.5
Mistral Small 4 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $75.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Mistral Small 4 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Mistral Small 4 | Nano Banana Pro (Gemini 3 Pro Image Preview) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Mistral Small 4 | $1.05 | $16 |
| Balanced workload | 1M input + 1M output | Mistral Small 4 | $0.75 | $14 |
| Output-heavy chatbot | 1M input + 5M output | Mistral Small 4 | $3.15 | $62 |
Mistral Small 4 is $11.4 cheaper per 1M output tokens (95% lower; 20x difference).
Mistral Small 4 has 196.61K more context (4x larger).
Mistral Small 4 is $7.55 cheaper on the standard workload (94.4% lower).
Estimate your workload cost
Your Workload Cost
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
Mistral Small 4 has the lower input price; Mistral Small 4 has the lower output price; Mistral Small 4 offers the larger context window. For the 1M input plus 500K output sample, Mistral Small 4 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.45 for Mistral Small 4 and $8 for Nano Banana Pro (Gemini 3 Pro Image Preview).
Choose Mistral Small 4 when you care most about lower input-token price, lower output-token price, and larger context window.
Choose Nano Banana Pro (Gemini 3 Pro Image Preview) when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
- On the standard 1M input plus 500K output workload, Mistral Small 4 is estimated at $0.45 vs $8 for Nano Banana Pro (Gemini 3 Pro Image Preview), saving $7.55 (94.4% lower).
- Mistral Small 4 is $7.55 cheaper on the standard workload (94.4% lower).
- Mistral Small 4 is $1.85 cheaper per 1M input tokens (92.5% lower; 13.3x difference).
- Mistral Small 4 is $11.4 cheaper per 1M output tokens (95% lower; 20x difference).
- Mistral Small 4 has 196.61K more context (4x larger).
| Feature | Mistral Small 4 (Mistral) | Nano Banana Pro (Gemini 3 Pro Image Preview) (Google) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.15 | $2 |
| Completion Price per 1M tokens | $0.6 | $12 |
| Sample Workload Cost 1M input + 500K output | $0.45 | $8 |
| Context Window | 262.14K | 65.54K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Mistral Small 4 | On the standard 1M input plus 500K output workload, Mistral Small 4 is estimated at $0.45 vs $8 for Nano Banana Pro (Gemini 3 Pro Image Preview), saving $7.55 (94.4% lower). |
| High-volume input processing | Mistral Small 4 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Mistral Small 4 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Mistral Small 4 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Mistral Nemo can replace Mistral Small 4 when lower sample workload cost matters most: $0.04.
- Mistral Small 3 can replace Mistral Small 4 when lower sample workload cost matters most: $0.09.
- Ministral 3 3B 2512 can replace Mistral Small 4 when lower sample workload cost matters most: $0.15.
- Mistral Small 3.2 24B can replace Mistral Small 4 when lower sample workload cost matters most: $0.17.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- GPT-5.4 offers 1.05M context with $10 sample workload cost.
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