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Get started freeGPT Image 1.5 vs Claude 4.5 Sonnet
Compare GPT Image 1.5 and Claude 4.5 Sonnet. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT Image 1.5 | Claude 4.5 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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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 4.5 Sonnet
Anthropic1. Best-in-class coding performance
- #1 on SWE-bench Verified (77.2% standard, 82.0% high-compute).
- Excels at debugging, architecture, and multi-file code generation.
- Maintains coherence for extremely long tasks (30+ hours).
2. State-of-the-art computer use & agents
- Leads OSWorld at 61.4%.
- Strongest model for agentic workflows, multi-step tool use, and real computer control.
- Powering Claude Code, the new Claude Agent SDK, and Chrome agent actions.
3. Advanced reasoning & math
- Large improvements across reasoning-heavy benchmarks (AIME, MMMLU, τ2-bench, Terminal-Bench).
- Deep multi-step reasoning with extended or interleaved thinking.
4. High alignment & safety
- Most aligned Claude model to date with reduced deception, hallucinations, sycophancy, and harmful compliance.
- Strong protections against prompt injection for agentic tasks (ASL-3 safeguards).
5. Domain-expert performance
- Notable gains in finance, law, medicine, and STEM tasks.
- Trusted by early customers for long-context legal analysis, multi-file engineering, security research, and red-teaming.
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
imageEmail Subject Line Generator
Generate high-converting email subject lines that boost open rates using proven psychological triggers and A/B testing frameworks.
Cross-Sell Product Email
Generate a cross-sell email that recommends related products based on past purchase history. Drives repeat purchases.
Landing Page Hero Copy
Write headline, subheadline, and CTA copy for a landing page hero section.
Best for Claude 4.5 Sonnet
textTake-Home Engineering Assignment
Write a take-home coding assignment for an engineering interview.
Non-Compete Clause Analysis
Analyse a non-compete clause for enforceability and key concerns.
SEO Prompt Builder (Brief + Constraints)
Turn a vague SEO task into a precise, high-quality prompt with role, goal, formatting rules, and required inputs.