Nano Banana 2 (Gemini 3.1 Flash Image) pricing & price history
Nano Banana 2 (Gemini 3.1 Flash Image) by Google costs $0.50 per 1M input tokens and $3.00 per 1M output tokens, with a 131K token context window. The cheapest provider currently charges $0.50 input / $3.00 output.
Price history
No price changes since tracking began on 2026-09-24. We check every 10 minutes.
No real-traffic data for Google's own API on this model (it may not be served directly); the table below covers third-party hosts and says nothing about the official API.
Which platform runs Nano Banana 2 (Gemini 3.1 Flash Image) most reliably
2 platformsBy 24-hour real-traffic success rate, Google is the most stable; Google AI Studio is the cheapest.
| Platform | Last 30 days | Stability | 24 h | 30 min | |
|---|---|---|---|---|---|
| Google most stable | Collecting data | 100% | 100% | ||
| Google AI Studio | Collecting data | 99.9% | — |
Success rates come from real API traffic routed to each platform (public OpenRouter data), not our probes; each daily bar is the average of that day's samples. Green ≥ 99.5 %, yellow ≥ 97 %, orange ≥ 90 %, red < 90 %. Updated 36d ago.
Cost calculator
Cheaper alternatives to Nano Banana 2 (Gemini 3.1 Flash Image)
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
 GLM 5.3 Flash Z.ai (Zhipu) | $0.0399 | $0.0784 | 1M | 27.8 | compare |
 DeepSeek V4.1 Flash DeepSeek | $0.022 | $0.40 | 1M | — | compare |
DeepSeek V4.1 Flash 1017 DeepSeek | $0.098 | $0.29 | 1M | 28.6 | compare |
 Llama 4 Scout Meta Llama | $0.10 | $0.30 | 1.3M | — | compare |
 MiMo-V2.6-Flash Xiaomi | $0.14 | $0.28 | 1.1M | 26.7 | compare |
Llama Guard 4 12B Meta Llama | $0.18 | $0.18 | 164K | — | compare |
 Claude Haiku 5.5 Anthropic | $0.10 | $0.50 | 1M | 36.5 | compare |
 GPT-6 Luna Pro OpenAI | $0.10 | $0.50 | 1.1M | — | compare |
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About Nano Banana 2 (Gemini 3.1 Flash Image)
Gemini 3.1 Flash Image, 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 advanced...
FAQ
How much does Nano Banana 2 (Gemini 3.1 Flash Image) cost?
Nano Banana 2 (Gemini 3.1 Flash Image) by Google costs $0.50 per 1M input tokens and $3.00 per 1M output tokens, with a 131K token context window. The cheapest provider currently charges $0.50 input / $3.00 output. A typical request with 2,000 input and 500 output tokens costs about $0.0025.
What is the context window of Nano Banana 2 (Gemini 3.1 Flash Image)?
Nano Banana 2 (Gemini 3.1 Flash Image) supports up to 131,072 tokens of context and up to 32,768 output tokens per request.
Has Nano Banana 2 (Gemini 3.1 Flash Image)’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is Nano Banana 2 (Gemini 3.1 Flash Image) being deprecated?
No retirement date has been announced for Nano Banana 2 (Gemini 3.1 Flash Image) as of 2026-11-12.
What are cheaper alternatives to Nano Banana 2 (Gemini 3.1 Flash Image)?
Cheaper options include GLM 5.3 Flash ($0.0399/$0.0784), DeepSeek V4.1 Flash ($0.022/$0.40), DeepSeek V4.1 Flash 1017 ($0.098/$0.29), Llama 4 Scout ($0.10/$0.30).