GPT-4.1
OpenAI · 2025
OpenAI's latest model with superior coding, reasoning, and a massive 1M context window.
Quick Facts
Parameters
Undisclosed
Context Window
1M tokens
Modalities
text, image
Open Source
No
Pricing
$20/mo Plus / $200/mo Pro
Released
2025
Developer
OpenAI
About
GPT-4.1 is OpenAI's latest language model, positioned as a major upgrade with exceptional coding performance, enhanced reasoning capabilities, and an industry-leading 1 million token context window. It represents a significant leap over GPT-4o in software development tasks, complex problem-solving, and long-context understanding. GPT-4.1 is designed for developers and enterprises that need maximum context for processing entire codebases, large documents, and comprehensive analysis in a single request.
Strengths
- +Superior coding performance across all major languages
- +Massive 1M token context window for full codebase analysis
- +Enhanced reasoning and problem-solving depth
- +Excellent instruction following and structured output
Weaknesses
- −Requires Plus/Pro subscription
- −Overkill for simple conversational tasks
- −Limited availability compared to GPT-4o
Best For
Full codebase analysis and large-scale refactoring
Complex multi-step problem solving
Processing extremely long documents in one pass
Enterprise-grade software development
Pricing
Plus
$20/mo
- GPT-4.1 access
- 1M context
- Web browsing
- Advanced analysis
Pro
$200/mo
- Unlimited GPT-4.1
- Priority access
- Extended tools
API
TBD
- Pay-as-you-go
- 1M context
- Code-optimized
Benchmarks
| Benchmark | GPT-4.1 | Competitor |
|---|---|---|
| MMLU | 90.1% | GPT-4o: 88.7% |
| HumanEval | 93.5% | GPT-4o: 90.2% |
Technical Specs
Parameters
Undisclosed
Context Window
1M tokens
Modalities
text, image
Languages
Open Source
No
Developer
OpenAI
Released: 2025
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