OpenAI DALL-E & GPT Image API Pricing Calculator & Cost Guide
Calculate API costs for DALL·E 2, DALL·E 3, GPT Image 1, and GPT Image 1 Mini. Compare all quality tiers and resolutions with instant monthly estimates.
Pricing TLDR
- • $5 free credits for new users (no credit card required)
- • DALL·E 2 ($0.016-0.02) • DALL·E 3 ($0.04-0.12) per image
- • GPT Image 1 Mini ($0.005-0.052) • GPT Image 1 ($0.011-0.25) per image
- • Model, quality & resolution determine final cost
OpenAI Image API Cost Calculator - Monthly Pricing
Images / Month
Resolution
Quick Examples:
GPT Image 1
gpt-image-1
Score
1123
Quality
Per Image
Monthly Total
Quality
Per Image
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Quality
Per Image
Monthly Total
GPT Image 1 Mini
gpt-image-1-mini
Score
—
Quality
Per Image
Monthly Total
Quality
Per Image
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Quality
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DALL·E 3
dall-e-3
Score
978
Quality
Per Image
Monthly Total
Quality
Per Image
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DALL·E 2
dall-e-2
Model
Legacy Model
dall-e-2
Quality
Score
Per Image
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About OpenAI Image API
What is OpenAI Image API?
OpenAI offers four image generation models through their API: GPT Image 1 (flagship), GPT Image 1 Mini (affordable), DALL·E 3 (previous generation), and DALL·E 2 (legacy). Each model can create images programmatically from text descriptions with varying levels of quality, detail, and cost-effectiveness.
- Multiple Quality Tiers: GPT Image models offer Low/Medium/High quality options, while DALL·E 3 offers Standard/HD. Higher quality provides more detail, better prompt adherence, and photorealistic results, but costs more per image.
- Flexible Resolutions: Generate images in three resolutions: square (1024×1024), portrait (1024×1536), or landscape (1536×1024). Larger resolutions cost more but provide better detail and composition flexibility.
- Pay-Per-Image Pricing: Simple pricing model - you only pay for successfully generated images. No subscription required. Failed generations aren't charged. Perfect for variable or seasonal workloads.
When to Use OpenAI Image API
Start with GPT Image 1 Mini Low for testing and high-volume projects. Upgrade to Medium or High quality for client-facing work. Use GPT Image 1 High for premium marketing materials where quality is critical.
Ideal for
- Social media graphics and daily content creation
- Marketing materials and campaign assets
- Product mockups and e-commerce visuals
- Blog featured images and article illustrations
- Rapid prototyping and design iteration
Not ideal for
- Images requiring exact text rendering (use graphic design tools)
- Precise logo recreation or brand guidelines (trademark concerns)
- Medical or legal documentation requiring accuracy
- Real-time generation in user-facing applications (<2s response)
OpenAI Image API Pricing Breakdown
Free Tier
New users receive $5 in free credits with no credit card required. These credits work across all OpenAI services including image generation and never expire.
- Sign up at platform.openai.com - no credit card required
- Receive $5 free credits instantly
- ~1000 images with GPT Image 1 Mini Low quality
- ~312 images with DALL·E 2 standard quality
Model Comparison
GPT Image 1 (Flagship)
Latest model with best quality and prompt following. 3 quality tiers (Low/Medium/High). Best for: premium marketing materials, high-end client work, photorealistic needs. Cost: $0.011-0.25 per image.
GPT Image 1 Mini (Affordable)
Fast, cost-effective alternative with competitive quality. 3 quality tiers. Best for: high-volume projects, social media, testing. 50-70% cheaper than flagship. Cost: $0.005-0.052 per image.
DALL·E 3 (Previous Gen)
Proven previous-generation model with Standard/HD quality. Best for: established workflows, balanced quality/cost. Still widely used. Cost: $0.04-0.12 per image.
DALL·E 2 (Legacy)
Original DALL·E model, lowest cost option. Single quality tier. Best for: budget-constrained projects, experimentation, learning. Cost: $0.016-0.02 per image.
OpenAI Image API Monthly Cost Estimates
Light Use
$5-25/mo
• Personal projects
• 100-500 images/month
• GPT Image 1 Mini Low
Medium Use
$25-100/mo
• Small business
• 500-2K images/month
• Mixed quality tiers
Heavy Use
$100-500/mo
• Agency work
• 2K-10K images/month
• Medium/High quality
Enterprise
$500+/mo
• Large scale
• 10K+ images/month
• Premium quality
6 OpenAI Image API Cost Optimization Tips
Start with Lower Quality Tiers
Begin with Low or Medium quality for testing and refinement. Only upgrade to High quality for final production images. This can save 60-80% during the iteration phase while maintaining acceptable preview quality.
Use GPT Image 1 Mini for Volume
For high-volume projects like social media or daily content, use GPT Image 1 Mini instead of flagship GPT Image 1. You'll save 50-70% per image with competitive quality suitable for most use cases.
Choose Appropriate Resolution
Use 1024×1024 (square) for profile pictures and icons, 1024×1536 (portrait) for mobile-first content, and 1536×1024 (landscape) for web banners. Smaller resolutions cost less and are often sufficient.
Refine Prompts Before Scaling
Test with cheap models (DALL·E 2 or GPT Image 1 Mini Low) to perfect your prompts. Once you have a winning prompt, scale up to higher quality. This prevents expensive iteration on premium tiers.
Generate Variations Strategically
When you get a good base image, generate variations instead of starting from scratch. While not directly cheaper, this reduces the number of attempts needed to achieve desired results.
Monitor Image Generation Spend in Real-Time
Track OpenAI image costs per model with CostGoat. Get alerts when switching from Mini to flagship models, when quality tier selection impacts budget, or when resolution choices drive up costs unexpectedly.
OpenAI Image Model Selection Guide
Use Case
Social Media Content
Recommended Model
GPT Image 1 Mini
Best Value
Quality Tier
Low
Monthly Cost (Est.)
~$5-15
Use Case
Marketing Materials
Recommended Model
GPT Image 1
Recommended
Quality Tier
Medium
Monthly Cost (Est.)
~$40-120
Use Case
Product Mockups
Recommended Model
GPT Image 1 Mini
Best Value
Quality Tier
Medium
Monthly Cost (Est.)
~$10-30
Use Case
Premium Client Work
Recommended Model
GPT Image 1
Premium
Quality Tier
High
Monthly Cost (Est.)
~$150-500
Use Case
Testing & Prototyping
Recommended Model
DALL·E 2
Budget
Quality Tier
Standard
Monthly Cost (Est.)
~$5-20
Use Case
Blog Graphics
Recommended Model
DALL·E 3
Balanced
Quality Tier
Standard
Monthly Cost (Est.)
~$10-40
Track Your OpenAI API Costs in Real-Time
Monitor your OpenAI API usage and spending across all models - GPT, DALL-E, Whisper, and more. CostGoat runs on your desktop with privacy-first local monitoring. 7-day free trial, then $9/month.
Start Free TrialOpenAI Image Generation Pricing FAQ
Common questions about OpenAI image generation API costs, models, and optimization
