GPT-4o Search Preview vs gpt-oss-120b (Comparative Analysis)
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Comparative Analysis: GPT-4o Search Preview vs. gpt-oss-120b
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Overview
GPT-4o Search Preview was released 4 months before gpt-oss-120b.
 GPT-4o Search Preview | gpt-oss-120b | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 128K tokens | 131.1K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 16.4K tokens | 131.1K tokens |
Release Date When this model first became publicly available | March 12, 2025 1 year ago March 12th, 2025 | August 5, 2025 11 months ago August 5th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | October 31, 2023 | June 30, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-4o Search Preview | gpt-oss-120b | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Not reported | Always enabledEffort: High, Medium, LowDefault: Medium |
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 ModeContent Moderation |
Open Source Model availability | Proprietary | Available on HuggingFace → |
Pricing
GPT-4o Search Preview is roughly 62.5x more expensive compared to gpt-oss-120b for input tokens and roughly 58.8x more expensive for output tokens.
| GPT-4o Search Preview | gpt-oss-120b | |
|---|---|---|
Input Token Cost Cost per million input tokens | $2.50 per million tokens | $0.04 per million tokens |
Output Token Cost Cost per million output tokens | $10.00 per million tokens | $0.17 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.035 per search | Not specified |
Benchmarks
Compare relevant benchmarks between GPT-4o Search Preview and gpt-oss-120b.
| GPT-4o Search Preview | gpt-oss-120b | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | Benchmark not available. | 23.8 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | Benchmark not available. | 30.4 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | Benchmark not available. | 13.2 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | Benchmark not available. | 1,052 Elo (#90 in Game Dev (40.6% win rate)) |
At a Glance
Quick overview of what makes GPT-4o Search Preview and gpt-oss-120b unique.
GPT-4o Search Preview by OpenAI generates structured data. It can handle standard conversations with its 128K token context window. Reasonably priced at $2.50/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 12th, 2025.gpt-oss-120b by OpenAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 131.1K token context window. Very affordable at $0.04/M input and $0.17/M output tokens. Released August 5th, 2025.Explore More Comparisons
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Compare gpt-oss-120b with:
🚀Programming
Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
Scientific research and analysis
🌐Translation
Multilingual translation tasks