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Get started freeGPT-5.5 vs Nano Banana 2
Compare GPT-5.5 and Nano Banana 2. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-5.5 | Nano Banana 2 |
|---|---|---|
| Provider | OpenAI | |
| Model Type | text | image |
| Context Window | 1,000,000 tokens | N/A |
| Input Cost | $5.00/ 1M tokens | N/A |
| Output Cost | $30.00/ 1M tokens | N/A |
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With Appaca you don't have to pick — build apps that are powered by GPT-5.5, Nano Banana 2, for your specific use case.
Build your first app freeStrengths & Best Use Cases
GPT-5.5
OpenAI1. Strongest Agentic Coding Model
- State-of-the-art on Terminal-Bench 2.0 (82.7%), Expert-SWE (73.1%), and SWE-Bench Pro (58.6%), outperforming GPT-5.4 on complex coding tasks.
- Holds context across large systems, reasons through ambiguous failures, and carries changes through surrounding codebases with fewer tokens.
2. Higher Intelligence at GPT-5.4 Latency
- Co-designed, trained, and served on NVIDIA GB200/GB300 NVL72 systems to match GPT-5.4 per-token latency while performing at a significantly higher level.
- Uses fewer tokens to complete the same tasks, making it more efficient as well as more capable.
3. Powerful for Knowledge Work & Computer Use
- Scores 84.9% on GDPval (44 occupations) and 78.7% on OSWorld-Verified for autonomous computer operation.
- Excels at generating documents, spreadsheets, and reports; naturally moves across finding information, using tools, and checking output.
4. Scientific Research Co-Scientist
- Leading performance on GeneBench, BixBench, and FrontierMath; helped discover a new proof about Ramsey numbers verified in Lean.
- Strong enough to meaningfully accelerate progress at the frontiers of biomedical and mathematical research.
Nano Banana 2
Google1. High-efficiency counterpart to Gemini 3 Pro Image
- Google describes Nano Banana 2 as the high-efficiency counterpart to Gemini 3 Pro Image.
- Optimized for speed and high-volume developer use cases rather than maximum pro-grade fidelity.
2. Native image generation + understanding
- Accepts text and image inputs and can output both text and images in a conversational workflow.
- Useful for quick iteration, editing, remixing, and interactive visual applications.
3. Strong throughput with practical image controls
- Supports up to 14 input images per prompt, 128 k input tokens, and 32,768 output tokens.
- Handles multiple aspect ratios and can generate or edit images while keeping latency and cost lower than higher-end image models.
4. Grounded, developer-friendly image workflows
- Supports Google Search grounding and Content Credentials (C2PA) for image outputs.
- All generated images include SynthID watermarking as part of Google's native image stack.
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-5.5
textLead Magnet Ebook Outline
Create a structured outline for a short ebook or guide used as a lead magnet.
Pull Request Description
Write a comprehensive pull request description for a code change.
Competitive Landscape Summary
Summarise the competitive landscape and position your offering within it.
Best for Nano Banana 2
imageReal Estate YouTube Video Optimization
Write an SEO-optimized YouTube title and description for a real estate agent video. Drives search discovery and watch time.
Title Insurance Explanation Email
Explain title insurance to a buyer client in plain language. Demystifies a confusing closing cost.
Product SEO Meta Title & Description
Write optimized meta titles and descriptions for product pages. Improves click-through rate from search results.