Hermes 4 – Llama-3.1 405B (Non-reasoning)
Analysis Summary
Hermes 4 on Llama 3.1 405B is a large Nous Research model with useful coding results, broad general knowledge, and moderate terminal performance. The non-reasoning configuration has a limited general reasoning indicator, weak long-context performance, and only modest instruction following, so its strengths are narrower than its parameter count suggests.
It can support code generation, technical drafting, and controlled developer assistance, particularly when an open model is preferred. It is less suitable for autonomous agents, long-document analysis, or high-precision client content. Listed pricing of $1 per million input tokens and $3 per million output tokens is expensive relative to its measured capability. Use it selectively for coding tasks rather than as a general agency model.
Assessed September 7, 2026
Editorial notes
Hermes 4 on Llama 3.1 405B offers strong coding and broad knowledge results for an open model, but non-reasoning performance and the $1 input, $3 output pricing make it a selective rather than default production choice.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
Hermes 4 on Llama 3.1 405B offers strong coding and broad knowledge results for an open model, but non-reasoning performance and the $1 input, $3 output pricing make it a selective rather than default production choice.
Benchmark scores
Magenta = intelligence · Ink = technical/agentic · Cyan = content & long-context · Grey = community benchmarks. Data: Artificial Analysis, Hugging Face.
7.4 Intelligence Index·15.3 Math Index
How Hermes 4 – Llama-3.1 405B (Non-reasoning) compares
Hermes 4 – Llama-3.1 405B (Non-reasoning) ranks #317 of 443 AI models we track for overall intelligence. At $1.00 per million input tokens it is cheaper than 27% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on value. The pulled-in technical corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $1.00 | $0.001000 |
| Output | $3.00 | $0.003000 |
What would Hermes 4 – Llama-3.1 405B (Non-reasoning) cost your business?
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A website chatbot handling around 100 customer conversations a day, a few short messages each.
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Frequently asked questions about Hermes 4 – Llama-3.1 405B (Non-reasoning)
How much does Hermes 4 – Llama-3.1 405B (Non-reasoning) cost?
Hermes 4 – Llama-3.1 405B (Non-reasoning) costs $1.00 per million input tokens and $3.00 per million output tokens.
Who created Hermes 4 – Llama-3.1 405B (Non-reasoning)?
Hermes 4 – Llama-3.1 405B (Non-reasoning) is developed by Nous Research and was released on August 27, 2025.