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Get started freeGPT-5.2 vs Gemini 1.5 Flash
Compare GPT-5.2 and Gemini 1.5 Flash. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-5.2 | Gemini 1.5 Flash |
|---|---|---|
| Provider | OpenAI | |
| Model Type | text | text |
| Context Window | 400,000 tokens | 1,000,000 tokens |
| Input Cost | $1.75/ 1M tokens | $0.07/ 1M tokens |
| Output Cost | $14.00/ 1M tokens | $0.30/ 1M tokens |
Stop choosing. Use both.
With Appaca you don't have to pick — build apps that are powered by GPT-5.2, Gemini 1.5 Flash, for your specific use case.
Build your first app freeStrengths & Best Use Cases
GPT-5.2
OpenAI1. Advanced Reasoning for Diverse Domains
- Built to tackle coding and agentic workflows across multiple industries, with configurable reasoning support.
2. Multi-Modal & Long-Form Capabilities
- Handles both text and image inputs, producing text output.
- Allows up to 128 k output tokens for lengthy responses.
3. Large Context & Updated Knowledge
- 400 k token context window accommodates extensive codebases or documents.
- Knowledge cut-off of Aug 31 2025 keeps it current with recent developments.
Gemini 1.5 Flash
Google1. Extremely fast and cost-efficient
- Designed for ultra-low latency inference.
- Handles high-throughput real-time applications and large-scale pipelines.
2. Strong multimodal capabilities
- Accepts text, images, audio, video, and PDFs.
- Efficient cross-modal understanding suitable for classification, extraction, and captioning.
3. Excellent for long-context tasks
- Supports up to 1M tokens, enabling analysis of long documents, transcripts, and entire codebases.
- Performs well on long-context translation and summarization.
4. Optimized for production workloads
- Low operational cost and fast inference make it ideal for enterprise automation.
- Great for chatbots, customer support systems, and background agent tasks.
5. High throughput with scalable rate limits
- Flash variants support extremely high RPM for high-traffic environments.
6. Reliable performance on everyday tasks
- Good at chat, rewriting, transcription, extraction, and structured reasoning.
- More efficient than Pro for tasks that don't require deep reasoning.
7. Ideal for multimodal high-volume apps
- Strong performance on captioning, OCR-style extraction, audio transcription, and video understanding.
8. Designed for developer workflows
- Supports function calling, structured output, and integration with the Gemini API and Vertex AI.
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-5.2
textDialogue Scene Writing
Write a dialogue-driven scene between two or more characters.
Google Display Ad Copy
Write headline and description copy for Google Display Network ads.
Brand Positioning Statement
Write a concise brand positioning statement using a proven framework.
Best for Gemini 1.5 Flash
textTwitter/X Thread Explainer
Break down a complex topic into an engaging Twitter/X thread.
Rental Application Denial Email
Write a professional rental application denial email. Clear, non-discriminatory, and compliant with fair housing principles.
Ebook Chapter Draft
Write a chapter of an ebook with engaging narrative and practical content.