GPT-3.5 Turbo 16k vs GPT-4.1 (Comparative Analysis)
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Comparative Analysis: GPT-3.5 Turbo 16k vs. GPT-4.1
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Overview
GPT-3.5 Turbo 16k was released 1 year before GPT-4.1.
 GPT-3.5 Turbo 16k | GPT-4.1 | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 16.4K tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 4.1K tokens | 32.8K tokens |
Release Date When this model first became publicly available | August 28, 2023 2 years ago August 28th, 2023 | April 14, 2025 1 year ago April 14th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | September 30, 2021 | June 30, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-3.5 Turbo 16k | GPT-4.1 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 🖼️Image📝Text📁File |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured OutputReasoning ModeContent Moderation | ✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation |
Pricing
GPT-3.5 Turbo 16k is roughly 1.5x more expensive compared to GPT-4.1 for input tokens and roughly 0.5x less expensive for output tokens.
| GPT-3.5 Turbo 16k | GPT-4.1 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $3.00 per million tokens | $2.00 per million tokens |
Output Token Cost Cost per million output tokens | $4.00 per million tokens | $8.00 per million tokens |
Web Search Cost Additional cost for each web search operation | Not specified | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | Not specified | $0.50 per million tokens |
Benchmarks
Compare relevant benchmarks between GPT-3.5 Turbo 16k and GPT-4.1.
| GPT-3.5 Turbo 16k | GPT-4.1 | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | Benchmark not available. | 1,140 Elo (#72 in Data Viz (59.5% win rate)) |
At a Glance
Quick overview of what makes GPT-3.5 Turbo 16k and GPT-4.1 unique.
GPT-3.5 Turbo 16k by OpenAI can use external tools and APIs, generates structured data. It can handle standard conversations with its 16.4K token context window. Reasonably priced at $3.00/M input and $4.00/M output tokens. Released August 28th, 2023.GPT-4.1 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. Reasonably priced at $2.00/M input and $8.00/M output tokens. Includes built-in content moderation for safer outputs. Released April 14th, 2025.Explore More Comparisons
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