GPT-4.1 Nano vs GPT-4 Turbo (Comparative Analysis)
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Comparative Analysis: GPT-4.1 Nano vs. GPT-4 Turbo
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Overview
GPT-4 Turbo was released 1 year before GPT-4.1 Nano.
 GPT-4.1 Nano | GPT-4 Turbo | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 128K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32.8K tokens | 4.1K tokens |
Release Date When this model first became publicly available | April 14, 2025 1 year ago April 14th, 2025 | April 9, 2024 2 years ago April 9th, 2024 |
Knowledge Cutoff Latest training-data date reported by the provider | June 30, 2024 | December 31, 2023 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-4.1 Nano | GPT-4 Turbo | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text📁File | 📝Text🖼️Image |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation | ✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation |
Pricing
GPT-4.1 Nano is roughly 0.01x less expensive compared to GPT-4 Turbo for input tokens and roughly 0.01x less expensive for output tokens.
| GPT-4.1 Nano | GPT-4 Turbo | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.10 per million tokens | $10.00 per million tokens |
Output Token Cost Cost per million output tokens | $0.40 per million tokens | $30.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.01 per search | Not specified |
Cache Read Cost Cost to reuse cached input tokens | $0.02 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between GPT-4.1 Nano and GPT-4 Turbo.
| GPT-4.1 Nano | GPT-4 Turbo | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 9.6 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 11.1 (Artificial Analysis index; higher is better) | 21.5 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 1.2 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,027 Elo (#96 in Game Dev (49.6% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes GPT-4.1 Nano and GPT-4 Turbo unique.
GPT-4.1 Nano by OpenAI understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.10/M input and $0.40/M output tokens. Includes built-in content moderation for safer outputs. Released April 14th, 2025.GPT-4 Turbo by OpenAI understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 128K token context window. Premium pricing at $10.00/M input and $30.00/M output tokens. Includes built-in content moderation for safer outputs. Released April 9th, 2024.Explore More Comparisons
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Compare GPT-4 Turbo with:
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Technical analysis and explanations
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