OpenAI: GPT-4o vs NousResearch: Hermes 2 Pro - Llama-3 8B: Which AI Model Is Better?
Updated March 2026· Based on independent benchmark data
Quick Verdict
NousResearch: Hermes 2 Pro - Llama-3 8B is 17.9x cheaper at $0.14/1M tokens vs $2.50/1M.
Head-to-Head Comparison
| Metric | OpenAI: GPT-4o | NousResearch: Hermes 2 Pro - Llama-3 8B |
|---|---|---|
| Intelligence Score | N/A | N/A |
| Coding Score | N/A | N/A |
| Math Score | N/A | N/A |
| Speed (tok/s) | N/A | N/A |
| Latency (TTFT) | N/A | N/A |
| Input Price / 1M tokens | $2.50 | $0.14 |
| Output Price / 1M tokens | $10 | $0.14 |
| Context Window | 128K | 8K |
| Max Output Tokens | 16K | 8K |
| Input Modalities | Text + Image + File | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Detailed Analysis
Pricing
NousResearch: Hermes 2 Pro - Llama-3 8B is more affordable at $0.14/1M input tokens ($0.14/1M output), while OpenAI: GPT-4o costs $2.50/1M input ($10/1M output). That makes OpenAI: GPT-4o 17.9x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-4o would cost approximately $15.00/month vs $0.84/month for NousResearch: Hermes 2 Pro - Llama-3 8B in input costs alone.
Context Window
OpenAI: GPT-4o offers a larger context window at 128K tokens compared to NousResearch: Hermes 2 Pro - Llama-3 8B's 8K. This means OpenAI: GPT-4o can process roughly 64 pages of text in a single request vs 4 pages for NousResearch: Hermes 2 Pro - Llama-3 8B. For output length, OpenAI: GPT-4o can generate up to 16K tokens per response vs 8K for NousResearch: Hermes 2 Pro - Llama-3 8B.
Best Use Cases
Choose OpenAI: GPT-4o when you need larger context window (128K). Choose NousResearch: Hermes 2 Pro - Llama-3 8B when you need lower cost.
Choose OpenAI: GPT-4o if:
- ✓You need a larger context window (128K vs 8K)
- ✓You need image understanding (Supports image input)
Choose NousResearch: Hermes 2 Pro - Llama-3 8B if:
- ✓Budget is a concern ($0.14/1M vs $2.50/1M)
Frequently Asked Questions
Which is cheaper, OpenAI: GPT-4o or NousResearch: Hermes 2 Pro - Llama-3 8B?
NousResearch: Hermes 2 Pro - Llama-3 8B is cheaper at $0.14/1M input tokens vs $2.50/1M for OpenAI: GPT-4o.
Can OpenAI: GPT-4o process images?
Yes, OpenAI: GPT-4o supports image input. NousResearch: Hermes 2 Pro - Llama-3 8B does not support image input.
Which has a larger context window, OpenAI: GPT-4o or NousResearch: Hermes 2 Pro - Llama-3 8B?
OpenAI: GPT-4o has a larger context window at 128K compared to NousResearch: Hermes 2 Pro - Llama-3 8B's 8K.
Related Comparisons
Benchmark data by Artificial Analysis
Data last synced: March 2026