OpenAI launches GPT-4.1, its most advanced AI model yet, alongside Mini and Nano versions. Discover key upgrades in coding, context size, and pricing. Available now via API.
OpenAI has officially released GPT-4.1, along with two compact versions—GPT-4.1 Mini and GPT-4.1 Nano. This update isn’t just about more power; it’s about smarter performance, longer memory, and accessible pricing. Designed to surpass the widely used GPT-4o, GPT-4.1 is now available exclusively through OpenAI’s API.
Smarter Instruction Following
GPT-4.1 takes task comprehension to the next level. On benchmarks like MultiChallenge, it shows a 10.5% improvement over GPT-4o—meaning it understands complex prompts more accurately and follows instructions with precision.
Code Like a Pro
If you use AI for development, this one’s a game changer. GPT-4.1 scored 54.6% on SWE-bench Verified, outperforming both GPT-4o and GPT-4.5. Whether it’s Python, JS, or system logic, the model can write, debug, and optimize with greater efficiency.
1 Million Token Context Window
Yes, 1 million tokens. GPT-4.1 can now handle extremely long documents, chats, or codebases, giving you more room to work without splitting inputs or losing context.
OpenAI didn’t stop at just one model. They’ve introduced:
These models retain core functionalities while reducing resource consumption, ideal for developers working at scale.
Here’s how GPT-4.1 compares in cost:
| Model | Input (per 1M tokens) | Output (per 1M tokens) |
| GPT-4.1 | $2.00 | $8.00 |
| GPT-4.1 Mini | $0.40 | $1.60 |
| GPT-4.1 Nano | $0.10 | $0.40 |
Whether you're running a large-scale AI operation or just experimenting, there’s a model that fits your budget.
If you’re still using GPT-4.5, it’s time to switch. OpenAI announced that GPT-4.5 will be deprecated from the API by July 14, 2025. GPT-4.1 is not just cheaper—it’s better across the board.
From content creators and marketers to developers and researchers, GPT-4.1 opens doors for:
The Mini and Nano models are especially useful for real-time systems and mobile integrations.
| Feature/Model | GPT-4.1 | GPT-4.1 Mini | GPT-4.1 Nano | GPT-4o | GPT-4.5 (Preview) |
| Release Date | April 2025 | April 2025 | April 2025 | May 2024 | February 2025 |
| Context Window | Up to 1 million tokens ⚡ | Medium context | Small context | 128K tokens | 128K tokens |
| Instruction Following | 10.5% better than GPT-4o | Optimized for basic tasks | Simple instruction only | Strong but less accurate | Less accurate than 4.1 |
| Coding Performance | 54.6% SWE-bench Verified | Suitable for general dev | Ideal for small code logic | ~33% SWE-bench Verified | ~28% SWE-bench Verified |
| Speed | Fast | Faster than GPT-4.1 | Fastest | Fast | Moderate |
| Pricing (Input) | $2.00 per 1M tokens | $0.40 per 1M tokens | $0.10 per 1M tokens | $5.00 per 1M tokens | N/A |
| Pricing (Output) | $8.00 per 1M tokens | $1.60 per 1M tokens | $0.40 per 1M tokens | $15.00 per 1M tokens | N/A |
| Use Case | Full-feature AI apps | Lightweight AI workflows | Realtime autocomplete, tagging | Versatile but pricey | Experimental use only |
| Availability | OpenAI API | OpenAI API | OpenAI API | API + ChatGPT Pro | Limited preview |
| Deprecation Status | Active | Active | Active | Still available | Phasing out by July 14, 2025 |
With GPT-4.1, OpenAI is raising the bar again. The improvements in logic, speed, and context length aren’t just technical wins—they directly impact productivity, cost efficiency, and user experience. And with Mini and Nano versions, everyone from indie developers to enterprise teams has something to gain.
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