--- title: Google: Nano Banana 2 (Gemini 3.1 Flash Image) | Text Generation | ModelsLab description: Build with Google: Nano Banana 2 (Gemini 3.1 Flash Image) API by Google. Text generation, chat, code, and reasoning. Pay-per-use. Free tier. url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google/google-gemini-3.1-flash-image.md canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google/google-gemini-3.1-flash-image.md type: product component: Playground/LLM/Index generated_at: 2026-06-30T00:03:29.206536Z --- Google: Nano Banana 2 (Gemini 3.1 Flash Image) --- [LLMs.txt](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/google-gemini-3.1-flash-image/llms.txt) [.md](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google/google-gemini-3.1-flash-image.md) Google: Nano Banana 2 (Gemini 3.1 Flash Image) --- Choose a prompt below to get started or type your own message Explain quantum computing in simple terms Write a Python function to sort a list Create a marketing email for a SaaS product Compare REST vs GraphQL APIs Send ### Google: Nano Banana 2 (Gemini 3.1 Flash Image) google google-gemini-3.1-flash-image Copy model ID PricingInput $0.50 / 1M tokens Output $3.00 / 1M tokens API EndpointsOpenAI Compatible `https://modelslab.com/api/v7/llm/chat/completions`Endpoint Anthropic Compatible `https://modelslab.com/api/v7/llm/v1/messages`Messages `https://modelslab.com/api/v7/llm/v1/messages/count_tokens`Count Tokens `https://modelslab.com/api/v7/llm/v1/models`Models Use with Claude Code cURL Example ParametersSystem MessageYou are a helpful AI assistant specialized in providing accurate and detailed responses. Temperature0.7 Max Tokens1000 Top P0.9 Frequency Penalty0 Presence Penalty0 Model Info Support Related Models --- Discover similar models you might be interested in [View all LLM Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llmaster) [#### byteplus/Seed 1.8 seed-1.8 From $3.00/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/byteplus/seed-1.8) [#### open\_router/MoonshotAI: Kimi K2.5 moonshotai-kimi-k2.5 From $1.20/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/moonshotai-kimi-k2.5) [#### open\_router/MiniMax: MiniMax M3 minimax-minimax-m3 From $0.75/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/minimax-minimax-m3) [#### open\_router/Amazon: Nova Premier 1.0 amazon-nova-premier-v1 From $7.50/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/amazon-nova-premier-v1) [#### open\_router/OpenAI: GPT-4o-mini openai-gpt-4o-mini From $0.38/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/openai-gpt-4o-mini) [#### open\_router/Cohere: Command R7B (12-2024) cohere-command-r7b-12-2024 From $0.09/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/cohere-command-r7b-12-2024) [#### google\_deepmind/Gemma 3N E4B Instruct google-gemma-3n-E4B-it From $0.09/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/google_deepmind/google-gemma-3n-E4B-it) [#### open\_router/inclusionAI: Ring-2.6-1T inclusionai-ring-2.6-1t From $0.35/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/inclusionai-ring-2.6-1t) [#### open\_router/Qwen: Qwen3 Coder Next qwen-qwen3-coder-next From $0.46/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3-coder-next) [#### open\_router/DeepSeek: R1 deepseek-deepseek-r1 From $1.60/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/deepseek-deepseek-r1) [#### open\_router/Qwen: Qwen3 Coder Flash qwen-qwen3-coder-flash From $0.58/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/qwen-qwen3-coder-flash) [#### open\_router/Google: Gemini 3.1 Pro Preview Custom Tools google-gemini-3.1-pro-preview-customtools From $7.00/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/google-gemini-3.1-pro-preview-customtools) [#### open\_router/Mistral: Codestral 2508 mistralai-codestral-2508 From $0.60/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/mistralai-codestral-2508) [#### open\_router/Nous: Hermes 4 405B nousresearch-hermes-4-405b From $2.00/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/nousresearch-hermes-4-405b) [#### open\_router/Mistral: Mistral Small 4 mistralai-mistral-small-2603 From $0.38/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/mistralai-mistral-small-2603) [#### openai/GPT 5.1 gpt5.1 From $5.63/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/gpt5.1) [#### open\_router/MiniMax: MiniMax M2.7 minimax-minimax-m2.7 From $0.45/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router/minimax-minimax-m2.7) [#### openai/GPT-5.1-Codex-Max gpt-5.1-codex-max From $5.63/M tokens](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/openai/gpt-5.1-codex-max) Open Source Alternatives --- Explore open-source models that offer similar capabilities with full transparency and flexibility [View all open source models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llm&provider=open-source-models) [MU Popular](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/uncensored-chat)[ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [Modelslab: Uncensored Chat Open Source Model](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/uncensored-chat) About Google: 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... ### Technical Specifications Model IDgoogle-gemini-3.1-flash-image CategoryLLM Models TaskText Generation Price$1.75 per million tokens AddedJune 18, 2026 ### Key Features - Chat completion and multi-turn conversation API - Streaming response with token-by-token output - Function calling and tool use support - System prompts and role-based messaging - JSON mode and structured output ### Quick Start Integrate Google: Nano Banana 2 (Gemini 3.1 Flash Image) into your application with a single API call. Get your API key from the [pricing page](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) to get started. PythonJavaScriptcURLPHP ``` import requests import json url = "https://modelslab.com/api/v7/llm/chat/completions" headers = { "Content-Type": "application/json" } data = { "model_id": "google-gemini-3.1-flash-image", "messages": [ { "role": "user", "content": "Hello!" } ], "max_tokens": 1000, "key": "YOUR_API_KEY" } try: response = requests.post(url, headers=headers, json=data) response.raise_for_status() # Raises an HTTPError for bad responses (4XX or 5XX) result = response.json() print("API Response:") print(json.dumps(result, indent=2)) except requests.exceptions.HTTPError as http_err: print(f"HTTP error occurred: {http_err} - {response.text}") except Exception as err: print(f"Other error occurred: {err}") ``` ### Pricing Google: Nano Banana 2 (Gemini 3.1 Flash Image) API costs $1.750000 per million tokens. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) ### Use Cases - AI chatbots and virtual assistants - Code generation and developer tools - Content writing and copywriting automation - Data analysis, summarization, and extraction [Browse LLM Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models?feature=llmaster) [More from Google](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/open_router) [View Pricing](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) Google: Nano Banana 2 (Gemini 3.1 Flash Image) FAQ --- ### What is Google: 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... ### How do I use the Google: Nano Banana 2 (Gemini 3.1 Flash Image) API? You can integrate Google: Nano Banana 2 (Gemini 3.1 Flash Image) into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "google-gemini-3.1-flash-image" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation. ### How much does Google: Nano Banana 2 (Gemini 3.1 Flash Image) cost? Google: Nano Banana 2 (Gemini 3.1 Flash Image) costs $1.750000 per million tokens. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started. ### What is the Google: Nano Banana 2 (Gemini 3.1 Flash Image) model ID? The model ID for Google: Nano Banana 2 (Gemini 3.1 Flash Image) is "google-gemini-3.1-flash-image". Use this ID in your API requests to specify this model. ### Does Google: Nano Banana 2 (Gemini 3.1 Flash Image) have a free tier? Yes, ModelsLab offers a free tier that lets you try Google: Nano Banana 2 (Gemini 3.1 Flash Image) and other AI models. Sign up to get free API credits and start building immediately. --- *This markdown version is optimized for AI agents and LLMs.* **Links:** - [Website](https://modelslab.com) - [API Documentation](https://docs.modelslab.com) - [Blog](https://modelslab.com/blog) --- *Generated by ModelsLab - 2026-06-30*