Author's Description
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
OpenAI's GPT-4.1, released on April 14, 2025, demonstrates strong overall performance, particularly excelling in reliability with a 100% success rate across all benchmarks. It performs among the fastest models, ranking in the 77th percentile for speed, and offers moderate pricing, positioned in the 30th percentile. The model exhibits exceptional accuracy in Ethics (100%) and General Knowledge (99.5%), with its Ethics performance being perfect and noted as the most accurate at its price point and among models of similar speed. Mathematics is another significant strength, achieving 96.0% accuracy, placing it in the 94th percentile and also recognized as the most accurate among models of comparable speed. Instruction Following (76.0%) and Coding (91.0%) also show strong results, aligning with its description as optimized for advanced instruction following and software engineering. While its Hallucinations accuracy (88.0%) is moderate, it indicates a reasonable ability to acknowledge uncertainty. Reasoning (82.0%) and Email Classification (98.0%) further round out its capable performance across diverse tasks. GPT-4.1's long context window and high recall capabilities make it well-suited for complex applications like agents and enterprise knowledge retrieval.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $2 |
| Completion | $8 |
| Input Cache Read | $0.5 |
| Web Search | $10000 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
OpenAI
|
OpenAI | openai/gpt-4.1-2025-04-14 | 1M | $2 / 1M tokens | $8 / 1M tokens |
|
Azure
|
Azure | openai/gpt-4.1-2025-04-14 | 1M | $2 / 1M tokens | $8 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
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| OpenAI: Whisper 1 Unavailable | Apr 27, 2026 | — | 0 |
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| OpenAI: GPT-5.5 Pro | Apr 24, 2026 | — | 1M |
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| OpenAI: GPT-5.5 Unavailable | Apr 24, 2026 | — | 1M |
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★★★★ | ★★★★★ | +$$$$$ |
| OpenAI: GPT-5.5 | Apr 24, 2026 | — | 1M |
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| OpenAI: GPT-5.4 Image 2 | Apr 21, 2026 | — | 272K |
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| OpenAI: GPT-5.4 Nano | Mar 17, 2026 | — | 400K |
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| OpenAI: GPT-5.4 Mini | Mar 17, 2026 | — | 400K |
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★★★★★ | ★★★★ | $$$$ |
| OpenAI: GPT-5.4 Pro Unavailable | Mar 05, 2026 | — | 1M |
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| OpenAI: GPT-5.4 Pro | Mar 05, 2026 | — | 1M |
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| OpenAI: GPT-5.4 Unavailable | Mar 05, 2026 | — | 1M |
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| OpenAI: GPT-5.4 | Mar 05, 2026 | — | 1M |
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| OpenAI: GPT-5.3 Chat Unavailable | Mar 03, 2026 | — | 128K |
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★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5.3 Chat | Mar 03, 2026 | — | 128K |
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★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5.3-Codex | Feb 24, 2026 | — | 400K |
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★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT Audio | Jan 19, 2026 | — | 128K |
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| OpenAI: GPT Audio Mini | Jan 19, 2026 | — | 128K |
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— | — | $$$$$ |
| OpenAI: GPT-5.2-Codex | Jan 14, 2026 | — | 400K |
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★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5.2 Chat | Dec 10, 2025 | — | 128K |
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★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5.2 Pro | Dec 10, 2025 | — | 400K |
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— | — | +$$$$$ |
| OpenAI: GPT-5.2 | Dec 10, 2025 | — | 400K |
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★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5.1-Codex-Max | Dec 04, 2025 | — | 400K |
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★★ | ★★★★ | $$$$$ |
| OpenAI: GPT-5.1 | Nov 13, 2025 | — | 400K |
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|
★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5.1 Chat | Nov 13, 2025 | — | 128K |
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|
★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5.1-Codex | Nov 13, 2025 | — | 400K |
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|
★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5.1-Codex-Mini | Nov 13, 2025 | — | 400K |
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★★★★ | ★★★★★ | $$$$$ |
| OpenAI: Text Embedding 3 Large Unavailable | Oct 30, 2025 | — | 8K |
Text input
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— | — | $ |
| OpenAI: gpt-oss-safeguard-20b | Oct 29, 2025 | 20B | 131K |
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★★★★★ | ★★★★ | $$$ |
| OpenAI: GPT-5 Image Mini | Oct 16, 2025 | — | 400K |
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File input
Text input
Image output
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|
— | — | $$$$$ |
| OpenAI: GPT-5 Image | Oct 14, 2025 | — | 400K |
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Image output
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— | — | $$$$$ |
| OpenAI: o3 Deep Research | Oct 10, 2025 | ~400B | 200K |
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— | — | +$$$$$ |
| OpenAI: o4 Mini Deep Research | Oct 10, 2025 | — | 200K |
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|
— | — | $$$$$ |
| OpenAI: GPT-5 Pro | Oct 06, 2025 | — | 400K |
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|
— | — | +$$$$$ |
| OpenAI: GPT-5 Codex | Sep 23, 2025 | — | 400K |
Image input
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|
★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-4o Audio | Aug 14, 2025 | ~200B | 128K |
Audio input
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Audio output
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|
— | — | $$$$$ |
| OpenAI: GPT-5 Chat | Aug 07, 2025 | — | 128K |
Image input
File input
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|
★★★★★ | ★★★★ | $$$$ |
| OpenAI: GPT-5 | Aug 07, 2025 | — | 400K |
Image input
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|
★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-5 Mini | Aug 07, 2025 | — | 400K |
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|
★★★ | ★★★★★ | $$$$ |
| OpenAI: GPT-5 Nano | Aug 07, 2025 | — | 400K |
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|
★★★ | ★★★★★ | $$$ |
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Text input
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★★★ | ★★★★ | $$$ |
| OpenAI: gpt-oss-120b (exacto) Unavailable | Aug 05, 2025 | 120B | 131K |
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— | — | $$ |
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★★ | ★★★ | $$ |
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Text output
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— | — | +$$$$$ |
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★★★ | ★★★★ | $$$$$ |
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Text input
Text output
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★★ | ★★★ | $$$$$ |
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Text input
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★★ | ★★★★★ | $$$$$ |
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|
★★★★ | ★★★ | $$$ |
| OpenAI: GPT-4.1 Nano | Apr 14, 2025 | ~50B | 1M |
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|
★★★★★ | ★★★ | $$ |
| OpenAI: o1-pro | Mar 19, 2025 | 300B | 200K |
Image input
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Text input
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Text input
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★★★★ | ★★ | $$ |
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Text input
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|
★★★ | ★★★ | $$$$$ |
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Image input
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|
★★★★★ | ★★★★★ | +$$$$$ |
| OpenAI: o3 Mini High | Feb 12, 2025 | 200B | 200K |
File input
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|
★★ | ★★★★ | $$$$$ |
| OpenAI: o3 Mini | Jan 31, 2025 | 200B | 200K |
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★★★ | ★★★★ | $$$$$ |
| OpenAI: o1 | Dec 17, 2024 | 300B | 200K |
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|
★★ | ★★★★★ | +$$$$$ |
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Image input
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|
★★★★★ | ★★★★ | $$$$$ |
| OpenAI: o1-mini Unavailable | Sep 11, 2024 | ~100B | 128K |
Text input
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|
— | ★ | $$$$$ |
| OpenAI: o1-preview Unavailable | Sep 11, 2024 | 300B | 128K |
Text input
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|
★★ | ★★★★★ | +$$$$$ |
| OpenAI: o1-preview (2024-09-12) Unavailable | Sep 11, 2024 | 300B | 128K |
Text input
Text output
|
★★ | ★★★★★ | +$$$$$ |
| OpenAI: o1-mini (2024-09-12) Unavailable | Sep 11, 2024 | ~100B | 128K |
Text input
Text output
|
— | ★ | $$$$$ |
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Image input
Text input
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|
★★★★★ | ★★ | $$$$$ |
| OpenAI: GPT-4o (2024-08-06) | Aug 05, 2024 | ~200B | 128K |
Image input
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|
★★★★★ | ★★★★ | $$$$$ |
| OpenAI: GPT-4o-mini | Jul 17, 2024 | ~8B | 128K |
Image input
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|
★★★★★ | ★★★ | $$ |
| OpenAI: GPT-4o-mini (2024-07-18) | Jul 17, 2024 | ~8B | 128K |
Image input
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★★★★★ | ★★★ | $$ |
| OpenAI: GPT-4o | May 12, 2024 | ~200B | 128K |
Image input
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|
★★★★ | ★★★★ | $$$$$ |
| OpenAI: GPT-4o (extended) Unavailable | May 12, 2024 | ~200B | 128K |
Image input
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|
★★★★★ | ★★ | +$$$$$ |
| OpenAI: GPT-4o (2024-05-13) | May 12, 2024 | ~200B | 128K |
Image input
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|
★★★★★ | ★★★ | $$$$$ |
| OpenAI: GPT-4 Turbo | Apr 08, 2024 | — | 128K |
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|
★★★★ | ★★★★ | +$$$$$ |
| OpenAI: GPT-3.5 Turbo (older v0613) | Jan 24, 2024 | 175B | 4K |
Text input
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★★★★★ | ★ | $$$ |
| OpenAI: GPT-4 Turbo Preview | Jan 24, 2024 | — | 128K |
Text input
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|
★★★★ | ★★ | +$$$$$ |
| OpenAI: GPT-3.5 Turbo 16k (older v1106) Unavailable | Nov 05, 2023 | 175B | 16K |
Text input
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|
— | — | $$$$$ |
| OpenAI: GPT-4 Turbo (older v1106) | Nov 05, 2023 | — | 128K |
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★★★★ | ★★★ | +$$$$$ |
| OpenAI: GPT-3.5 Turbo Instruct | Sep 27, 2023 | 175B | 4K |
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★★★★★ | ★★ | $$$$ |
| OpenAI: GPT-3.5 Turbo 16k | Aug 27, 2023 | 175B | 16K |
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★★★★★ | ★★★★★ | $$$$$ |
| OpenAI: GPT-3.5 Turbo 16k Unavailable | May 27, 2023 | 175B | 16K |
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— | — | $$$$ |
| OpenAI: GPT-3.5 Turbo | May 27, 2023 | 175B | 16K |
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— | — | $$$$ |
| OpenAI: GPT-4 | May 27, 2023 | — | 8K |
Text input
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★★★ | ★★ | +$$$$$ |
| OpenAI: GPT-4 (older v0314) | May 27, 2023 | — | 8K |
Text input
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|
★★★★ | ★★ | +$$$$$ |