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Get started freeGPT-4.1 vs Gemini 2.5 Pro Experimental
Compare GPT-4.1 and Gemini 2.5 Pro Experimental. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-4.1 | Gemini 2.5 Pro Experimental |
|---|---|---|
| Provider | OpenAI | |
| Model Type | text | text |
| Context Window | 1,047,576 tokens | 1,048,576 tokens |
| Input Cost | $2.00/ 1M tokens | $1.50/ 1M tokens |
| Output Cost | $8.00/ 1M tokens | $6.00/ 1M tokens |
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Build your first app freeStrengths & Best Use Cases
GPT-4.1
OpenAI1. Smartest non-reasoning model
- Highest intelligence among models without a reasoning step.
- Great for tasks where speed + accuracy matter without deep chain-of-thought.
2. Excellent instruction following
- Very strong at structured tasks, formatting, and precise execution.
- Ideal for productized workflows and deterministic outputs.
3. Reliable tool calling
- Works smoothly with Web Search, File Search, Image Generation, and Code Interpreter.
- Supports MCP and advanced tool-enabled API flows.
4. Large 1M-token context window
- Allows extremely long conversations, large documents, and multi-file use cases.
- Handles context-heavy tasks without requiring chunking.
5. Low latency (no reasoning step)
- Faster responses than GPT-5 family when reasoning mode isn't required.
- More predictable timing for production use.
6. Multimodal input
- Accepts text + image.
- Output is text only.
7. Supports fine-tuning
- Can be fine-tuned for specialized tasks.
- Also supports distillation for smaller custom models.
Gemini 2.5 Pro Experimental
Google1. State-of-the-art reasoning performance
- #1 on LMArena human preference leaderboard.
- Excels at advanced reasoning benchmarks like GPQA and AIME 2025.
- Achieves 18.8% on Humanity's Last Exam (no tools), representing frontier human-level reasoning.
2. New “thinking model” architecture
- Built with explicit reasoning steps internally before responding.
- Handles complex, multi-stage logic with higher accuracy and fewer hallucinations.
3. Elite science and mathematics capabilities
- Leads in math and science tasks across industry benchmarks.
- High performance without costly inference tricks like majority voting.
4. Exceptional coding abilities
- Major leap over Gemini 2.0 in coding performance.
- 63.8% on SWE-Bench Verified with custom agent setup.
- Strong at code transformation, debugging, and building agentic apps.
- Capable of generating full applications (e.g., a playable video game) from a single-line prompt.
5. Massive multimodal context
- Ships with a 1,000,000 token window (2M coming soon).
- Handles entire documents, datasets, video sequences, audio files, and large codebases.
- Maintains strong performance even at extreme context lengths.
6. Native multimodality across all inputs
- Understands and reasons over text, images, audio, video, and code.
- Designed for real-world, multi-source problem-solving and agent workflows.
7. Consistent high-quality outputs
- Improved post-training results in more accurate, coherent, and stylistically strong responses.
- Higher reliability across complex workloads.
8. Early availability for developers
- Available today in Google AI Studio for experimentation.
- Coming soon to Vertex AI with higher rate limits and production-ready access.
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-4.1
textForum Insider: Emotional Pain Points + Empathy Statements
Analyze forum threads and social comments to uncover urgent problems, voice-of-customer language, and empathy statements for marketing copy.
Open Source Contribution Guide
Write a CONTRIBUTING.md for an open source project.
Plain Language Terms of Service
Rewrite or summarise complex terms of service in clear, accessible language.
Best for Gemini 2.5 Pro Experimental
textReal Estate Agent Social Bio
Write a social media bio for a real estate agent on Instagram or Facebook. Attracts leads with a clear value proposition.
Podcast Guest Bio
Write a compelling podcast guest bio for show notes and host introductions. Grabs listener interest immediately.
Membership Program Landing Page
Write a landing page for a premium membership or VIP program. Communicates exclusive benefits and drives sign-ups.