Model Comparison
GPT-4o mini
vs. Hermes 4 - Llama-3.1 405B (Reasoning)
Comparing 2 AI models · 12 benchmarks · OpenAI, Nous Research
Recommended Pick
No Hermes 4 - Llama-3.1 405B (Reasoning) 10 metric wins Strongest on: Reasoning, Intelligence, Math
Best Value
GPT-4o mini
100.0 value score
25.6 reasoning / $0.26/1M
Lowest Price
GPT-4o mini
$0.15/1M input price
Best Reasoning
Hermes 4 - Llama-3.1 405B (Reasoning)
48.2 reasoning score
Blends available reasoning benchmarks
Best for Coding
Hermes 4 - Llama-3.1 405B (Reasoning)
16.0 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
GPT-4o mini has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
GPT-4o mini is 6.7x cheaper on input tokens than Hermes 4 - Llama-3.1 405B (Reasoning).
Speed gap
GPT-4o mini generates about 1.5x as many tokens per second as Hermes 4 - Llama-3.1 405B (Reasoning).
Reasoning gap
Hermes 4 - Llama-3.1 405B (Reasoning) leads GPT-4o mini by 22.6 points on reasoning.
Top-pick rationale
Hermes 4 - Llama-3.1 405B (Reasoning) wins 10 measurable categories, including Reasoning, Intelligence, Math, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
GPT-4o mini
OpenAI
TTFT
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Time
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tok/s
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Tokens
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Cost
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Hermes 4 - Llama-3.1 405B (Reasoning)
Nous Research
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
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Which answer was more useful?
Full Comparison
| Metric | Op GPT-4o mini | Top Pick No Hermes 4 - Llama-3.1 405B (Reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.15/1M | $1.00/1M |
| Output Cost | $0.60/1M | $3.00/1M |
| Blended (3:1) | $0.26/1M | $1.50/1M |
| Specifications | ||
| Organization | OpenAI | Nous Research |
| Release Date | Jul 18, 2024 | Aug 27, 2025 |
| Performance & Speed | ||
| Throughput | 60.7 tok/s | 39.9 tok/s |
| TTFT | 526ms | 737ms |
| Latency | 526ms | 50866ms |
| Composite Indices | ||
| Value Score | 100.0 | 33.0 |
| Reasoning Score | 25.6 | 48.2 |
| Intelligence | 12.6 | 18.6 |
| Coding | — | 16.0 |
| Math | 14.7 | 69.7 |
| Standard Benchmarks | ||
| GPQA | 42.6% | 72.7% |
| MMLU Pro | 64.8% | 82.9% |
| HLE | 4.0% | 10.3% |
| LiveCodeBench | 23.4% | 68.6% |
| MATH 500 | 78.9% | — |
| AIME 2025 | 14.7% | 69.7% |
| AIME (Original) | 11.7% | — |
| SciCode | 22.9% | 25.2% |
| LCR | — | 20.7% |
| IFBench | 31.0% | 32.7% |
| TAU-bench v2 | — | 22.2% |
| TerminalBench Hard | — | 11.4% |
Key Takeaways
GPT-4o mini offers the best value at $0.15/1M, making it ideal for high-volume applications and cost-conscious projects.
Hermes 4 - Llama-3.1 405B (Reasoning) has the strongest reasoning profile with a 48.2 reasoning score, combining the available reasoning-heavy benchmarks.
Hermes 4 - Llama-3.1 405B (Reasoning) reaches a 16.0 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
GPT-4o mini
- Cost-sensitive applications
- High-volume processing
Hermes 4 - Llama-3.1 405B (Reasoning)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
