GPT-3.5 Turbo Instruct vs o3 (Comparative Analysis)
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Comparative Analysis: GPT-3.5 Turbo Instruct vs. o3
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Overview
GPT-3.5 Turbo Instruct was released 1 year before o3.
 GPT-3.5 Turbo Instruct | o3 | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 4.1K tokens | 200K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 4.1K tokens | 100K tokens |
Release Date When this model first became publicly available | September 28, 2023 2 years ago September 28th, 2023 | April 16, 2025 1 year ago April 16th, 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 Instruct | o3 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 🖼️Image📝Text📁File |
Reasoning Controls Defaults and configurable reasoning effort | Not reported | Optional |
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 Output✓Reasoning Mode✓Content Moderation |
Pricing
GPT-3.5 Turbo Instruct is roughly 0.8x less expensive compared to o3 for input tokens and roughly 0.3x less expensive for output tokens.
| GPT-3.5 Turbo Instruct | o3 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $1.50 per million tokens | $2.00 per million tokens |
Output Token Cost Cost per million output tokens | $2.00 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 Instruct and o3.
| GPT-3.5 Turbo Instruct | o3 | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | Benchmark not available. | 1,200 Elo (#49 in Data Viz (48.1% win rate)) |
At a Glance
Quick overview of what makes GPT-3.5 Turbo Instruct and o3 unique.
GPT-3.5 Turbo Instruct by OpenAI generates structured data. It can handle standard conversations with its 4.1K token context window. Reasonably priced at $1.50/M input and $2.00/M output tokens. Includes built-in content moderation for safer outputs. Released September 28th, 2023.o3 by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K 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 16th, 2025.Explore More Comparisons
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