GPT-5 Nano vs Hermes 4 405B (Comparative Analysis)
Loading comparison form...
Comparative Analysis: GPT-5 Nano vs. Hermes 4 405B
Want to try out these models side by side?Try Magica for free
Overview
GPT-5 Nano was released 19 days before Hermes 4 405B.
 GPT-5 Nano |  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 | 400K tokens | 131.1K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 128K tokens | Not specified tokens |
Release Date When this model first became publicly available | August 7, 2025 1 year ago August 7th, 2025 | August 26, 2025 11 months ago August 26th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | May 31, 2024 | August 31, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-5 Nano | Hermes 4 405B | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image📁File | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Always enabledEffort: High, Medium, Low, MinimalDefault: Medium | Optional |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | Other |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation | Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Proprietary | Available on HuggingFace → |
Pricing
GPT-5 Nano is roughly 0.05x less expensive compared to Hermes 4 405B for input tokens and roughly 0.1x less expensive for output tokens.
| GPT-5 Nano | Hermes 4 405B | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.05 per million tokens | $1.00 per million tokens |
Output Token Cost Cost per million output tokens | $0.40 per million tokens | $3.00 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 | $0.0050 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between GPT-5 Nano and Hermes 4 405B.
| GPT-5 Nano | Hermes 4 405B | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,124 Elo (#86 in Website (48.9% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes GPT-5 Nano and Hermes 4 405B unique.
GPT-5 Nano 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 400K token context window. Very affordable at $0.05/M input and $0.40/M output tokens. Includes built-in content moderation for safer outputs. Released August 7th, 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
Compare your models with top performers across different categories
Compare GPT-5 Nano 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
Compare Hermes 4 405B 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
