GPT-4o Search Preview vs Hermes 4 405B (Comparative Analysis)
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Comparative Analysis: GPT-4o Search Preview vs. Hermes 4 405B
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Overview
GPT-4o Search Preview was released 5 months before Hermes 4 405B.
 GPT-4o Search Preview |  Hermes 4 405B | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | Nous |
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 | Not specified tokens |
Release Date When this model first became publicly available | March 12, 2025 1 year ago March 12th, 2025 | August 26, 2025 11 months ago August 26th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | October 31, 2023 | August 31, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-4o Search Preview | Hermes 4 405B | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Not reported | Optional |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | Other |
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 2.5x more expensive compared to Hermes 4 405B for input tokens and roughly 3.3x more expensive for output tokens.
| GPT-4o Search Preview | Hermes 4 405B | |
|---|---|---|
Input Token Cost Cost per million input tokens | $2.50 per million tokens | $1.00 per million tokens |
Output Token Cost Cost per million output tokens | $10.00 per million tokens | $3.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.035 per search | Not specified |
At a Glance
Quick overview of what makes GPT-4o Search Preview and Hermes 4 405B 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.Hermes 4 405B by Nous offers advanced reasoning, generates structured data. It can handle standard conversations with its 131.1K token context window. Reasonably priced at $1.00/M input and $3.00/M output tokens. Released August 26th, 2025.Explore More Comparisons
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🚀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