Google · 2026-06-18
Nano Banana Pro (Gemini 3 Pro Image) pricing
Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro.
Prices from OpenRouter’s models API, updated October 29, 2026
What Nano Banana Pro (Gemini 3 Pro Image) costs a month
| Workload | Standard |
|---|---|
| Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out | $234 |
| Daily summaries: 10,000 a day, 3,000 tokens in, 300 out | $2,880 |
| Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out | $691 |
30 days. Cached input billed at the cache-read price. Use your own numbers.
Cheaper models with a similar context window
| Model | Provider | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|---|
| GLM 5.3 Flash | Z.ai | $0.046 | $0.074 | $0.03 | 1.05M | $2.95 |
| Ling 3.0 Flash VL | inclusionai | $0.06 | $0.18 | $0.012 | 131K | $4.86 |
| Ternary Bonsai 2 9B | prism-ml | $0.08 | $0.13 | $0.04 | 262K | $5.16 |
| Nex-N2.5-Pro | nex-agi | $0.075 | $0.25 | $0.015 | 262K | $6.38 |
| Muse Spark 1.3 Contributor | Meta | $0.10 | $0.20 | $0.002 | 1.05M | $6.90 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Cheaper isn’t automatically as good. Glow’s GlowBench scores models on your kind of task before suggesting a swap.
Other Gemini models
| Model | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|
| Gemini 4 Argon | $2 | $10 | $0.10 | 1.05M | $210 |
| Nano Banana 2.1 | $1.50 | $7.50 | – | 66K | $158 |
| Gemini 3.8 Flash | $0.825 | $4.13 | $0.083 | 1.05M | $86.62 |
| Gemini 3.7 Flash | $0.75 | $3.75 | $0.075 | 1.05M | $78.75 |
| Gemini 3.5 Flash Lite | $0.30 | $2.50 | $0.03 | 1.05M | $43.50 |
| Gemini 3.6 Flash | $0.75 | $3.75 | $0.075 | 1.05M | $78.75 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Related
Nano Banana Pro (Gemini 3 Pro Image): questions
How much does Nano Banana Pro (Gemini 3 Pro Image) cost?
$2 per 1M input tokens and $12 per 1M output tokens, with cached input at $0.20. A 1,000-token prompt with a 500-token answer costs about $0.0080.
What is Nano Banana Pro (Gemini 3 Pro Image)’s context window?
131,072 tokens, with up to 32,768 output tokens per response.
Is there a cheaper alternative to Nano Banana Pro (Gemini 3 Pro Image)?
GLM 5.3 Flash costs $0.046 in and $0.074 out per 1M tokens with a similar context window. Whether it matches Nano Banana Pro (Gemini 3 Pro Image)’s quality depends on the task: test it on your own prompts (Glow’s GlowBench does this per task).
Know what each model really costs you.
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