--- 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.com/models/google/google-gemini-3.1-flash-image.md canonical: https://modelslab.com/models/google/google-gemini-3.1-flash-image.md type: product component: Playground/LLM/Index generated_at: 2026-06-19T20:38:41.007503Z --- Google: Nano Banana 2 (Gemini 3.1 Flash Image) --- [LLMs.txt](https://modelslab.com/models/open_router/google-gemini-3.1-flash-image/llms.txt) [.md](https://modelslab.com/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.com/models?feature=llmaster) [#### open\_router/LiquidAI: LFM2.5-1.2B-Thinking (free) liquid-lfm-2.5-1.2b-thinking-free Free](https://modelslab.com/models/open_router/liquid-lfm-2.5-1.2b-thinking-free) [#### open\_router/LiquidAI: LFM2.5-1.2B-Instruct (free) liquid-lfm-2.5-1.2b-instruct-free Free](https://modelslab.com/models/open_router/liquid-lfm-2.5-1.2b-instruct-free) [#### openai/OpenAI: GPT-5.4 openai-gpt-5.4 From $8.75/M tokens](https://modelslab.com/models/openai/openai-gpt-5.4) [#### open\_router/Mistral: Mistral Large 3 2512 mistralai-mistral-large-2512 From $1.00/M tokens](https://modelslab.com/models/open_router/mistralai-mistral-large-2512) [#### open\_router/Z.ai: GLM 4.7 Flash z-ai-glm-4.7-flash From $0.23/M tokens](https://modelslab.com/models/open_router/z-ai-glm-4.7-flash) [#### together\_ai/Qwen3.5 397B A17b Qwen-Qwen3.5-397B-A17B From $2.10/M tokens](https://modelslab.com/models/together_ai/Qwen-Qwen3.5-397B-A17B) [#### open\_router/Qwen: Qwen3.5-Flash qwen-qwen3.5-flash-02-23 From $0.16/M tokens](https://modelslab.com/models/open_router/qwen-qwen3.5-flash-02-23) [#### open\_router/Poolside: Laguna XS.2 poolside-laguna-xs.2 From $0.15/M tokens](https://modelslab.com/models/open_router/poolside-laguna-xs.2) [#### open\_router/ByteDance Seed: Seed-2.0-Mini bytedance-seed-seed-2.0-mini From $0.25/M tokens](https://modelslab.com/models/open_router/bytedance-seed-seed-2.0-mini) [#### open\_router/Qwen: Qwen3.6 27B qwen-qwen3.6-27b From $1.73/M tokens](https://modelslab.com/models/open_router/qwen-qwen3.6-27b) [#### open\_router/DeepSeek: R1 Distill Llama 70B deepseek-deepseek-r1-distill-llama-70b From $0.80/M tokens](https://modelslab.com/models/open_router/deepseek-deepseek-r1-distill-llama-70b) [#### open\_router/Qwen: Qwen3 Next 80B A3B Instruct qwen-qwen3-next-80b-a3b-instruct From $0.59/M tokens](https://modelslab.com/models/open_router/qwen-qwen3-next-80b-a3b-instruct) [#### open\_router/Meta: Llama 4 Scout meta-llama-llama-4-scout From $0.20/M tokens](https://modelslab.com/models/open_router/meta-llama-llama-4-scout) [#### open\_router/NVIDIA: Nemotron 3 Ultra nvidia-nemotron-3-ultra-550b-a55b From $1.35/M tokens](https://modelslab.com/models/open_router/nvidia-nemotron-3-ultra-550b-a55b) [#### open\_router/Switchpoint Router switchpoint-router From $2.13/M tokens](https://modelslab.com/models/open_router/switchpoint-router) [#### open\_router/Nous: Hermes 3 405B Instruct nousresearch-hermes-3-llama-3.1-405b From $1.00/M tokens](https://modelslab.com/models/open_router/nousresearch-hermes-3-llama-3.1-405b) [#### open\_router/Qwen: Qwen3 14B qwen-qwen3-14b From $0.17/M tokens](https://modelslab.com/models/open_router/qwen-qwen3-14b) [#### open\_router/Sao10K: Llama 3.1 Euryale 70B v2.2 sao10k-l3.1-euryale-70b From $0.85/M tokens](https://modelslab.com/models/open_router/sao10k-l3.1-euryale-70b) Open Source Alternatives --- Explore open-source models that offer similar capabilities with full transparency and flexibility [View all open source models](https://modelslab.com/models?feature=llm&provider=open-source-models) [MU Popular](https://modelslab.com/models/modelslab/uncensored-chat)[ModelsLab](https://modelslab.com/models/modelslab) [Modelslab: Uncensored Chat Open Source Model](https://modelslab.com/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.com/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.com/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.com/models?feature=llmaster) [More from Google](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/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 - 2026-06-20*