Want to experience Google's latest Gemini 3 Pro Image Preview (Nano Banana Pro) AI drawing capabilities for free? The opportunity is here! AI Image Master (imagen.apiyi.com) platform officially launches Nano Banana Pro free trial campaign. All new users get $0.1 USD upon registration, can generate 2 professional-grade AI images for free, no credit card binding required, no overseas phone number needed, just email to start creating.
As APIYI's free AI image generation tool platform, AI Image Master integrates 6 mainstream AI drawing models including Nano Banana Pro, Sora_image, SeeDream 4.0, and Flux Kontext, with prices as low as 1/5 compared to official, making it the best choice for domestic developers and creators to experience cutting-edge AI image generation technology. This article will detail how to start using Nano Banana Pro at zero cost and compare the cost-effectiveness of various models on the platform.
Part 1: AI Image Master Platform: Best Entry Point for Free Trial
1.1 Platform Core Advantages
AI Image Master (https://imagen.apiyi.com/) is a one-stop experience platform built by APIYI specifically for AI image generation scenarios, with the following core advantages:
1. Zero-Threshold Registration with Credit
- Register to get $0.1 USD free credit
- No credit card binding or overseas payment methods required
- Just email verification to start using
- Gifted credit is permanently valid, no time limit
2. Six Mainstream Models Integrated in One Platform
| Model Name | Type | Unit Price | Generation Speed | Recommended Scenarios |
|---|---|---|---|---|
| Nano Banana Pro | Gemini 3 Pro Image | $0.05/image | 15s | Professional Design, Text Rendering |
| Nano Banana 1st Gen | Gemini 2.5 Flash | $0.025/image | 10s | Rapid Prototyping, Batch Generation |
| Sora_image 🔥 | GPT-4o Image | $0.01/image | 90s | Best Cost-Effectiveness |
| SeeDream 4.0 | Seedream Overseas | $0.03/image | 15s | Ultra-Clear Image Generation & Editing |
| Flux Kontext Pro | Flux English Version | $0.035/image | 15s | High-Quality English Scenarios |
| Flux Kontext Max | Flux Chinese Version | $0.07/image | 15s | Chinese Prompt Editing |
3. Obvious Price Advantages
- Nano Banana Pro: Official $0.25/image, platform only $0.05, save 80%
- All Models: Compared to official prices, as low as 1/5 to 1/2
- Bulk Discounts: More top-up, bigger discount
4. Complete Technical Features
- Supports multiple resolution outputs (1K/2K/4K)
- Base64 and URL dual output modes
- Supports multi-image synthesis and image editing
- Full support for Chinese and English prompts

1.2 Free Credit Usage Solutions
The $0.1 USD gifted upon registration can be used like this:
Solution A: Experience Top Quality (Recommended for Beginners)
- Use Nano Banana Pro to generate 2 professional-grade images
- Experience Gemini 3 Pro Image's text rendering and high-resolution capabilities
- Suitable for design scenarios requiring high-quality output
Solution B: Explore Different Styles
- Nano Banana 1st Gen × 2 Images ($0.05)
- SeeDream 4.0 × 1 Image ($0.03)
- Sora_image × 2 Images ($0.02)
- Total 5 images, experience 3 different styles
Solution C: Maximize Cost-Effectiveness
- Use Sora_image to generate 10 images
- Cheapest model, suitable for rapid iteration and extensive testing
- 90s generation time, quality comparable to GPT-4o Image
Solution D: Batch Fast Generation
- Use Nano Banana 1st Gen to generate 4 images
- 10s ultra-fast generation, excellent consistency
- Suitable for scenarios requiring batch generation of similar style images
🎯 Beginner Recommendation: First use Nano Banana Pro to generate 1 high-quality image to experience top-tier capabilities, then use the remaining $0.05 to test Nano Banana 1st Gen (2 images) or Sora_image (5 images), fully understand the characteristics of different models before deciding on subsequent top-up direction.
Part 2: Nano Banana Pro vs 1st Gen: How to Choose?
2.1 Core Technical Differences
Nano Banana Pro (2nd Gen):
- Underlying Model: Gemini 3 Pro Image Preview
- Official Endpoint: Direct connection to Google native API (
gemini-3-pro-image-preview) - Core Advantages:
- Industry's strongest text rendering capability
- Native 4K high-resolution output
- Google Search Grounding real-time data
- Multi-image synthesis (up to 14 reference images)
- Generation Speed: 15 seconds
- Pricing: $0.05/image (1/5 of official price)
Nano Banana 1st Gen:
- Underlying Model: Gemini 2.5 Flash Image
- Compatibility Mode: OpenAI-compatible interface (
gemini-2.5-flash-image) - Core Advantages:
- Ultra-fast generation (10 seconds)
- Excellent consistency, suitable for series creation
- Base64 direct output, easy to integrate
- Lowest cost Gemini series
- Generation Speed: 10 seconds
- Pricing: $0.025/image (half of Pro version)
2.2 Application Scenario Comparison
| Scenario | Nano Banana Pro | Nano Banana 1st Gen | Recommended Choice |
|---|---|---|---|
| E-commerce Product Images | 4K HD, Clear Text | 1K Standard, Fast Generation | ✅ Pro |
| Poster Design | Perfect Text Rendering | Text May Be Blurry | ✅ Pro |
| Social Media Images | Quality Overkill | High Cost-Effectiveness | ✅ 1st Gen |
| Rapid Prototyping | 15s, High Cost | 10s, Low Cost | ✅ 1st Gen |
| Batch Generation | $0.05 × 100 = $5 | $0.025 × 100 = $2.5 | ✅ 1st Gen |
| Print Materials | 4K Native, Professional Grade | 1K Needs Enlargement | ✅ Pro |
| Infographics | Perfect Text Presentation | Text May Be Distorted | ✅ Pro |
| Creative Exploration | Stable Quality | Faster Speed | ✅ 1st Gen |
Selection Recommendation:
- ✅ Need High-Quality Output: Nano Banana Pro
- ✅ Pursue Cost-Effectiveness: Nano Banana 1st Gen
- ✅ Include Text Content: Nano Banana Pro
- ✅ Batch Fast Testing: Nano Banana 1st Gen

2.3 Actual Effect Comparison
Test Scenario 1: E-commerce Product Poster
Prompt: "Create a modern minimalist e-commerce product poster, including title '2025 Spring New Products', subtitle 'Limited Time 20% Off', gradient blue background, product is white sneakers"
Nano Banana Pro Output:
- ✅ Title and subtitle text clear and readable
- ✅ Gradient color transitions natural
- ✅ Product details fine, shoelace texture clear
- ✅ 4K resolution can be directly printed
- ⏱️ Generation Time: 14 seconds
- 💰 Cost: $0.05
Nano Banana 1st Gen Output:
- ⚠️ Title text basically clear, subtitle slightly blurry
- ✅ Overall style consistency good
- ⚠️ Product details slightly rough
- ⚠️ 1K resolution needs post-enlargement
- ⏱️ Generation Time: 9 seconds
- 💰 Cost: $0.025
Conclusion: For scenarios requiring text or high precision, Nano Banana Pro is worth the extra investment; for pure visual creative exploration, 1st Gen has better cost-effectiveness.
💡 Practical Recommendation: For scenarios requiring text rendering such as e-commerce, posters, infographics, prioritize using Nano Banana Pro; for scenarios such as social media images, conceptual design, rapid prototyping, Nano Banana 1st Gen is completely sufficient. Through AI Image Master platform's free $0.1 credit, you can experience both models and find the solution that best suits your needs.
Part 3: Platform-wide Model Cost-Effectiveness Analysis
3.1 Detailed Comparison of Six Models
1. Sora_image – King of Cost-Effectiveness 🔥
Core Information:
- Underlying Model: OpenAI Sora web version image generation engine
- Model Identifier:
gpt-4o-image - Pricing: $0.01/image (Platform Lowest Price)
- Generation Speed: 90 seconds
- Features: Same source as GPT-4o, stable quality
Applicable Scenarios:
- Learning testing and rapid iteration
- Individual creators with limited budgets
- Large-scale image generation needs
- Scenarios not pursuing extreme speed
Free Credit Can Generate: 10 images
Advantages:
- ✅ Cheapest price, only 1/5 of Nano Banana Pro
- ✅ Based on GPT-4o, strong understanding capability
- ✅ Suitable for English prompts
Disadvantages:
- ⚠️ 90s generation time is slow
- ⚠️ Does not support 4K high resolution
- ⚠️ Text rendering capability average
2. SeeDream 4.0 – Ultra-Clear Editing Expert
Core Information:
- Underlying Model: Seedream Overseas
seedream-4-0-250828 - Pricing: $0.03/image
- Generation Speed: 15 seconds
- Features: Supports ultra-clear image generation and image editing
Applicable Scenarios:
- Image editing and restoration
- Ultra-clear image generation
- URL and Base64 dual output needs
Free Credit Can Generate: 3 images (0.1 ÷ 0.03 ≈ 3.3)
Advantages:
- ✅ Strong image editing capability
- ✅ Ultra-clear output quality high
- ✅ 15s fast generation
Disadvantages:
- ⚠️ Price slightly higher than Sora_image
- ⚠️ Mainly for editing scenarios
3. Flux Kontext Pro – English Scenario Expert
Core Information:
- Model Identifier:
flux-kontext-pro - Pricing: $0.035/image
- Generation Speed: 15 seconds
- Features: Only supports English prompts, high-quality generation
Applicable Scenarios:
- English content creation
- International design projects
- Professional photography style images
Free Credit Can Generate: 2 images (0.1 ÷ 0.035 ≈ 2.8)
Advantages:
- ✅ Extremely strong English understanding
- ✅ Professional photography style
- ✅ 15s fast generation
Disadvantages:
- ⚠️ Does not support Chinese prompts
- ⚠️ Price slightly high
4. Flux Kontext Max – Chinese All-Rounder
Core Information:
- Model Identifier:
flux-kontext-max - Pricing: $0.07/image
- Generation Speed: 15 seconds
- Features: Supports Chinese prompts, ultra-high-quality image editing
Applicable Scenarios:
- Chinese content creation
- High-quality image editing
- Professional design projects
Free Credit Can Generate: 1 image (0.1 ÷ 0.07 ≈ 1.4)
Advantages:
- ✅ Native support for Chinese prompts
- ✅ Ultra-high-quality editing capability
- ✅ Professional design-level output
Disadvantages:
- ⚠️ Platform highest price
- ⚠️ Free credit only enough for 1 image

3.2 Model Selection Decision Tree
Start → Do You Need to Include Text?
├─ Yes → Do You Need 4K High Resolution?
│ ├─ Yes → Nano Banana Pro ($0.05)
│ └─ No → SeeDream 4.0 ($0.03)
│
└─ No → Prompt Language?
├─ Chinese → Sufficient Budget?
│ ├─ Yes → Flux Kontext Max ($0.07)
│ └─ No → Nano Banana 1st Gen ($0.025)
│
└─ English → Pursue Cost-Effectiveness?
├─ Yes → Sora_image ($0.01) 🔥
└─ No → Flux Kontext Pro ($0.035)
🏢 Enterprise Recommendation: For enterprise users requiring large-scale image generation, it is recommended to use API mode calls through APIYI api.apiyi.com platform, which can obtain larger bulk discounts and enterprise-level SLA guarantees. AI Image Master platform is mainly for individual creators and small teams' rapid experience scenarios.
Part 4: Quick Start Guide: Start Creating in 3 Minutes
4.1 Register to Get Free Credit
Step 1: Visit Platform
- Open Browser to Visit https://imagen.apiyi.com/
- Or search "AI Image Master" to enter official website
Step 2: Register Account
1. Click "Register" button in top right corner
2. Enter email address
3. Set password (8+ characters, including letters and numbers)
4. Click "Get Verification Code" to complete email verification
5. Check agree to terms of service
6. Click "Register Now"
Step 3: Automatically Get $0.1 USD
- After successful registration, system automatically gifts $0.1 USD
- Can view balance in personal center
- Gifted credit is exactly the same as top-up credit, no restrictions
Step 4: Select Model to Start Creating
- Select any model on homepage (recommended to try Nano Banana Pro first)
- Enter prompt to describe the image you want to generate
- Click "Generate" button
- Can view and download results after 15 seconds
4.2 Nano Banana Pro Prompt Tips
Basic Structure:
[Subject Description] + [Style] + [Details] + [Lighting/Color] + [Resolution Requirements]
Example 1: E-commerce Product Image
A professional product photo of white sneakers on clean background,
modern minimalist style, soft studio lighting, high resolution 4K,
with text overlay "Spring 2025 Collection - 20% OFF"
Output: Product display image with clear text, suitable for e-commerce detail pages
Example 2: Poster Design
Create a vibrant poster design for music festival,
featuring bold typography "SUMMER BEATS 2025",
gradient background from purple to orange,
modern geometric patterns, 4K resolution
Output: Music festival poster with perfect text rendering
Example 3: Infographic
Design an infographic showing "5 Steps to Success",
clean layout with numbered sections,
icons and clear readable text,
professional business style, blue and white color scheme
Output: Infographic with clear text, can be directly used for presentations
Chinese Prompt Tips (Nano Banana Pro supports Chinese):
Generate an e-commerce product poster, theme "Double 11 Sale",
including title "All Items 50% Off" and subtitle "Limited Time 3 Days",
red gradient background, product is smartwatch,
modern minimalist style, 4K HD resolution
💡 Text Rendering Optimization Tips:
- Clearly specify required text content in prompt (e.g., "with text 'XXXX'")
- Use "clear readable text" to emphasize text quality (for Chinese prompts, use the Chinese equivalent phrase)
- Specify font style (e.g., "bold typography", "modern sans-serif")
- Require 4K resolution to ensure text sharpness
4.3 Common Questions and Solutions
Q1: Is There a Time Limit for Free $0.1 Credit?
A: No time limit. The gifted $0.1 USD is permanently valid, you can use it anytime, it will not expire.
Q2: How to Top Up After Using Free Credit?
A: Click "Top Up" button in personal center, supports:
- Alipay/WeChat Pay (Domestic Users)
- Cryptocurrency (USDT)
- Corporate Transfer (Enterprise Users)
Top-Up Amount Recommendations:
- Beginner Experience: $5 (can generate 100-500 images, depending on model)
- Deep Usage: $20 (suitable for monthly creation needs)
- Enterprise Bulk: $100+ (enjoy additional discounts)
Q3: Who Owns the Copyright of Generated Images?
A: According to APIYI platform terms of service, users own the copyright of generated images. You can:
- ✅ Use for commercial purposes
- ✅ Secondary editing and modification
- ✅ Sell or license to others
But note:
- ⚠️ Must not generate illegal or non-compliant content
- ⚠️ Must not infringe others' intellectual property
- ⚠️ Must comply with each model's usage policies
Q4: Why Choose AI Image Master Instead of Using Official Platform Directly?
A: Main advantages include:
- Price Advantage: 50%-80% lower than official
- Payment Convenience: Supports Alipay/WeChat, no overseas credit card needed
- Multi-Model Integration: One account uses 6 models, convenient for comparison
- Free Credit: Register to get $0.1, official platform has no such offer
- Chinese Support: Interface and customer service all in Chinese, low usage threshold
Q5: What to Do If Generation Fails or Quality is Unsatisfactory?
A: If generation fails or results are unsatisfactory:
- No Charge: Failed generations do not consume balance
- Regenerate: Can retry for free
- Adjust Prompt: Refer to platform-provided examples to optimize description
- Change Model: Trying other models may have better results
- Contact Customer Service: 7×24 hour online customer service to assist

Part 5: Advanced Tips: Maximize Free Credit Value
5.1 Mixed Usage Strategies
Strategy 1: Rapid Iteration + Refinement
1. Use Sora_image ($0.01) to quickly generate 5 versions
2. Select the most satisfactory 1 concept
3. Use Nano Banana Pro ($0.05) for 4K HD redraw
Total Cost: $0.10 (5 × $0.01 + 1 × $0.05)
Output: 5 creative explorations + 1 professional finished product
Strategy 2: Batch Testing + Selected Output
1. Nano Banana 1st Gen ($0.025) generate 3 different styles
2. SeeDream 4.0 ($0.03) edit and optimize the best version
Total Cost: $0.105 (exceeds $0.005, need minimum $1 top-up)
Output: 3 original versions + 1 edited optimized version
Strategy 3: Multi-Language Comparison Testing
1. Flux Kontext Pro ($0.035) English prompt version
2. Flux Kontext Max ($0.07) Chinese prompt version
Total Cost: $0.105
Output: Compare the effect differences between English and Chinese models
5.2 Prompt Template Library
E-commerce Scenario Template:
Product: [Product Name]
Style: professional product photography
Background: [clean white / gradient / lifestyle scene]
Lighting: soft studio lighting
Text Overlay: [Product Title] + [Promotion Info]
Resolution: 4K
Additional: [Brand Colors/Special Requirements]
Social Media Template:
Theme: [Holiday/Event Theme]
Style: modern minimalist / vibrant colorful / vintage retro
Main Element: [Core Visual Element]
Text: [Title Text]
Color Scheme: [Main Color Tone]
Aspect Ratio: 1:1 (Instagram) / 16:9 (YouTube)
Poster Design Template:
Title: [Large Title Text]
Subtitle: [Subtitle]
Visual Theme: [Visual Theme]
Typography Style: [Font Style]
Background: [Background Description]
Color Palette: [Color Scheme]
Resolution: 4K for print
💡 Money-Saving Tip: Use Nano Banana 1st Gen ($0.025) to quickly test multiple prompt directions, then use Nano Banana Pro ($0.05) to generate the final HD version after determining the best solution, can save 60% cost.
5.3 Quality Optimization Checklist
When using free credit, ensure each generation is worth it:
Prompt Checklist:
- ✅ Is subject description clear and specific?
- ✅ Is style definition clear?
- ✅ Is resolution requirement noted?
- ✅ Is text content completely listed?
- ✅ Are color and lighting guided?
Model Selection Checklist:
- ✅ Need text rendering? → Nano Banana Pro
- ✅ Pursue cost-effectiveness? → Sora_image
- ✅ Need ultra-clear editing? → SeeDream 4.0
- ✅ Is prompt language Chinese or English? → Flux Kontext Max/Pro
Output Quality Checklist:
- ✅ Does image resolution meet requirements?
- ✅ Is text clear and readable?
- ✅ Are colors accurately reproduced?
- ✅ Does composition meet expectations?
- ✅ Are details fine enough?
Part 6: Cost Comparison: AI Image Master vs Official Platform
6.1 Official Platform Price Comparison
| Model | AI Image Master | Official Price | Savings Ratio | Annual Savings (1000 images) |
|---|---|---|---|---|
| Gemini 3 Pro Image | $0.05 | $0.25 | 80% | $200 |
| Gemini 2.5 Flash | $0.025 | $0.10 | 75% | $75 |
| GPT-4o Image | $0.01 | $0.04 | 75% | $30 |
| Flux Pro | $0.035 | $0.12 | 71% | $85 |
| Flux Max | $0.07 | $0.20 | 65% | $130 |
Total Annual Savings for 1000 Images: $520+
6.2 Other Platform Comparison
Midjourney:
- Basic Subscription: $10/month (approx. 200 images)
- Standard Subscription: $30/month (approx. 900 images)
- AI Image Master: Pay-as-you-go, no monthly fee
DALL-E 3 (OpenAI):
- Standard: $0.04/image (1024×1024)
- HD: $0.08/image (1024×1792)
- AI Image Master: Sora_image only $0.01/image
Stable Diffusion (Self-Hosted):
- GPU Rental Cost: $0.50-1.00/hour
- High operations and technical threshold
- AI Image Master: Zero operations, ready to use
🏢 Enterprise Cost Analysis: A medium-sized design team generates 3000 images per month, using AI Image Master platform can save:
- vs Official Gemini: $750 – $150 = $600/month ($7,200/year)
- vs Midjourney Standard: $90 – $150 = Actually cheaper $60/month
- vs DALL-E 3: $120 – $30 (Sora) = $90/month ($1,080/year)
Summary: Start Free Trial Now
AI Image Master Platform Core Advantages:
- ✅ Register to Get $0.1: Free experience of 2-10 professional-grade AI images
- ✅ 6 Mainstream Models: One-stop experience of Gemini, Sora, Flux, SeeDream
- ✅ Price as Low as 1/5 of Official: Can save thousands annually
- ✅ Zero-Threshold Usage: Just email, supports Alipay/WeChat
Nano Banana Pro Recommendation Reasons:
- 🔥 Strongest Text Rendering: Essential for posters, infographics, product images
- 🔥 4K Native Output: Professional design and print-level quality
- 🔥 1/5 of Official Price: $0.05/image, save 80% compared to official
- 🔥 15s Fast Generation: Both efficiency and quality
Take Action Now:
- Visit https://imagen.apiyi.com/ to register account
- Automatically get $0.1 USD free credit
- Select Nano Banana Pro to experience Google's strongest AI drawing
- Generate 2 4K professional-grade images, zero-cost experience
🎯 Special Tip: After registration, it is recommended to first use free credit to fully experience the characteristics of each model, then top up after determining the model that best suits your needs. Platform supports minimum $1 top-up, flexible cost control. For more AI models and API services, visit api.apiyi.com to learn about enterprise-level solutions.
Through AI Image Master platform, let every creator experience world-class AI image generation technology with zero threshold, creating the highest value at the lowest cost. Register now and start your AI creation journey!
