Nano Banana 2 (Gemini 3.1 Flash Image Preview) is $0.2 cheaper per 1M input tokens (28.6% lower; 1.4x difference).
API cost decision in 10 seconds
R1 vs Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Pick R1 when budget and context both matter.
Budget verdict
Pick R1 when budget and context both matter.
On the standard 1M input plus 500K output workload, R1 is estimated at $1.95 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $0.05 (2.5% lower).
R1 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $0.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Cost winner changes by workload shape: input-heavy / RAG favors Nano Banana 2 (Gemini 3.1 Flash Image Preview), balanced workload favors R1, and output-heavy chatbot favors R1.
| Workload shape | Token mix | Better pick | R1 | Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Nano Banana 2 (Gemini 3.1 Flash Image Preview) | $4.75 | $4 |
| Balanced workload | 1M input + 1M output | R1 | $3.2 | $3.5 |
| Output-heavy chatbot | 1M input + 5M output | R1 | $13.2 | $15.5 |
R1 is $0.5 cheaper per 1M output tokens (16.7% lower; 1.2x difference).
R1 has 32.77K more context (1.25x larger).
R1 is $0.05 cheaper on the standard workload (2.5% 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
Nano Banana 2 (Gemini 3.1 Flash Image Preview) has the lower input price; R1 has the lower output price; R1 offers the larger context window. For the 1M input plus 500K output sample, R1 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $1.95 for R1 and $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview).
Choose R1 when you care most about lower output-token price, and larger context window.
Choose Nano Banana 2 (Gemini 3.1 Flash Image Preview) when you care most about lower input-token price.
- On the standard 1M input plus 500K output workload, R1 is estimated at $1.95 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $0.05 (2.5% lower).
- R1 is $0.05 cheaper on the standard workload (2.5% lower).
- Nano Banana 2 (Gemini 3.1 Flash Image Preview) is $0.2 cheaper per 1M input tokens (28.6% lower; 1.4x difference).
- R1 is $0.5 cheaper per 1M output tokens (16.7% lower; 1.2x difference).
- R1 has 32.77K more context (1.25x larger).
| Feature | R1 (DeepSeek) | Nano Banana 2 (Gemini 3.1 Flash Image Preview) (Google) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.7 | $0.5 |
| Completion Price per 1M tokens | $2.5 | $3 |
| Sample Workload Cost 1M input + 500K output | $1.95 | $2 |
| Context Window | 163.84K | 131.07K |
| Release Date | ||
| Popularity | #133 | #138 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | R1 | On the standard 1M input plus 500K output workload, R1 is estimated at $1.95 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $0.05 (2.5% lower). |
| High-volume input processing | Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | R1 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | R1 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- DeepSeek V4 Flash (free) can replace R1 when lower sample workload cost matters most: $0.
- DeepSeek V4 Flash can replace R1 when lower sample workload cost matters most: $0.2.
- R1 Distill Qwen 32B can replace R1 when lower sample workload cost matters most: $0.43.
- DeepSeek V3.2 can replace R1 when lower sample workload cost matters most: $0.44.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- MiMo-V2.5 offers 1.05M context with $0.28 sample workload cost.
- Hy3 preview · Tencent · #1
- MiMo-V2.5 · Xiaomi · #2
- DeepSeek V4 Flash · DeepSeek · #3
- Owl Alpha · OpenRouter · #4
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsDeepSeek catalog
Review all tracked DeepSeek models before deciding whether this matchup is the right shortlist.
Open DeepSeek modelsGoogle catalog
Check other Google models with comparable pricing, context, or release timing.
Open Google modelsDeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass....
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines...