Nano Banana 2 (Gemini 3.1 Flash Image Preview) on Vercel AI Gateway
Gemini 3.1 · Google DeepMind
Last refreshed 2026-05-22. Next refresh: weekly.
Why use Nano Banana 2 (Gemini 3.1 Flash Image Preview) on Vercel AI Gateway?
Vercel AI Gateway offers Nano Banana 2 (Gemini 3.1 Flash Image Preview) with pay-as-you-go pricing at $0.50/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.
Compare Nano Banana 2 (Gemini 3.1 Flash Image Preview) across 4 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],google/gemini-3.1-flash-image-previewRequest example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
model="google/gemini-3.1-flash-image-preview",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "google/gemini-3.1-flash-image-preview", not the LLMReference slug "gemini-3.1-flash-image-preview".
- creator/model-name e.g. kwaipilot/kat-coder-pro-v2
- The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.
Compare Nano Banana 2 (Gemini 3.1 Flash Image Preview) Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Google AI Studio | $0.50 | $60.00 |
| GCP Vertex AI | $0.50 | $60.00 |
| OpenRouter | $0.50 | $3.00 |
| Vercel AI Gateway | $0.50 | $3.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.50 |
| Output tokens | $3.00 |
| Query | $14.00 |
Capabilities
No model capability flags are currently sourced.
About Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) available via OpenRouter. Pricing: $0.5/1M input, $3/1M output.
FAQ
What does Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost on Vercel AI Gateway?
On Vercel AI Gateway, Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs $0.5 per 1M input tokens and $3 per 1M output tokens.
What is the context window for Nano Banana 2 (Gemini 3.1 Flash Image Preview) on Vercel AI Gateway?
Nano Banana 2 (Gemini 3.1 Flash Image Preview) supports a 131,072 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other Nano Banana 2 (Gemini 3.1 Flash Image Preview) providers?
Nano Banana 2 (Gemini 3.1 Flash Image Preview) is available from 4 providers. The cheapest input pricing is $0.5/1M tokens from Google AI Studio.
What API model ID do I use for Nano Banana 2 (Gemini 3.1 Flash Image Preview) on Vercel AI Gateway?
Use the model ID google/gemini-3.1-flash-image-preview when calling Vercel AI Gateway's API.
Who created Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
Nano Banana 2 (Gemini 3.1 Flash Image Preview) was created by Google DeepMind as part of the Gemini 3.1 model family.
Is Nano Banana 2 (Gemini 3.1 Flash Image Preview) open source?
Nano Banana 2 (Gemini 3.1 Flash Image Preview)'s open source status is unknown in the seed data.