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Get started freeGPT Image 1.5 vs Claude 4 Sonnet
Compare GPT Image 1.5 and Claude 4 Sonnet. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT Image 1.5 | Claude 4 Sonnet |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Model Type | image | text |
| Context Window | N/A | 1,000,000 tokens |
| Input Cost | $5.00/ 1M tokens | $3.00/ 1M tokens |
| Output Cost | N/A | $15.00/ 1M tokens |
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With Appaca you don't have to pick — build apps that are powered by GPT Image 1.5, Claude 4 Sonnet, for your specific use case.
Build your first app freeStrengths & Best Use Cases
GPT Image 1.5
OpenAI1. State-of-the-Art Image Generation
- Produces high-quality, detailed images optimized for realism, style control and prompt fidelity.
- Designed to handle complex visual scenes, compositions and lighting conditions.
2. Natively Multimodal Architecture
- Understands and reasons over both text and images as inputs.
- Ideal for workflows like editing based on reference images, expanding sketches or mockups and visual concept development.
3. Flexible Output Resolutions & Quality Levels
- Supports multiple resolutions including 1024x1024, 1024x1536 and 1536x1024.
- Offers three quality tiers (Low, Medium, High) to balance cost, speed and maximum detail.
4. Multiple Pricing Models
- Pay-per-token for multimodal input: text tokens and image tokens.
- Pay-per-image generation for final output: low, medium and high quality tiers.
- Enables businesses to balance cost and output needs.
5. Broad Use Cases
- Product photography and marketing assets.
- Illustration, concept art and creative ideation.
- UX/UI mockups.
- Style-guided image creation.
- Generating reference images for design or storytelling.
6. Supported Across Major API Endpoints
- Available via Chat Completions, Responses, Realtime, Assistants and Images (generations/edits) endpoints.
- Allows tight integration into automated creative pipelines or user-facing apps.
7. Simplified Model Behavior for Stability
- No streaming, function calling, structured outputs or fine-tuning; focused solely on high-quality image generation.
8. Consistent Results via Snapshots
- Supports snapshots for version locking to ensure long-term reproducibility.
9. Ideal For
- Designers, marketers and creatives.
- Product teams needing image assets.
- App builders integrating image generation workflows.
- Agencies producing visual content at scale.
Claude 4 Sonnet
Anthropic- Hybrid reasoning: supports both fast (“near-instant”) and extended thinking modes.
- Optimised for responsiveness, cost and high-volume production workloads.
- Strong coding performance relative to prior Sonnet versions (improved over Sonnet 3.7).
- Available even in free tiers (alongside paid plans).
- Better suited for general-purpose use and agents where speed + cost-efficiency matter.
Prompts to Get Started
Use these prompts to power AI products you build on Appaca. Each works great with the models above.
Best for GPT Image 1.5
imageInformational Interview Request
Request an informational interview with someone in your target field. Builds your network while gathering career intelligence.
Return Policy Explanation Email
Explain your return policy clearly and empathetically after a customer inquiry. Reduces friction and builds trust.
Podcast Guest Bio
Write a compelling podcast guest bio for show notes and host introductions. Grabs listener interest immediately.
Best for Claude 4 Sonnet
textDelegation Brief
Write a clear brief to delegate a task effectively to a team member.
Contract Amendment Template
Draft a contract amendment to modify specific terms in an existing agreement.
API Documentation
Write clear API documentation for an endpoint including examples.