Hermes 4 – Llama-3.1 405B (Non-reasoning)
Analysis Summary
Hermes 4 is Nous Research's non-reasoning adaptation of Llama 3.1 405B, priced at $1 per million input tokens and $3 per million output tokens. The supplied results show useful coding and science performance, but weaker general reasoning, instruction following, terminal use, and tool-oriented behavior. Long-context performance is also limited relative to the demands of large document or codebase workflows.
The model can assist with code drafts, technical explanations, and structured engineering tasks that receive human review. It is less suitable for autonomous coding agents, nuanced content production, or complex client analysis because execution reliability and instruction precision are not strong enough. Its output price is high for a model with this capability profile. Use it only where its coding strengths match a specialist requirement and validation is already built into the workflow.
Assessed August 9, 2026
Editorial notes
Hermes 4 on Llama 3.1 405B combines limited general reasoning with useful coding results and a large model footprint. Its weak instruction following and tool-use evidence make it a supervised coding specialist rather than an agent platform.
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 combines limited general reasoning with useful coding results and a large model footprint. Its weak instruction following and tool-use evidence make it a supervised coding specialist rather than an agent platform.
Benchmark scores
Magenta = intelligence · Ink = technical/agentic · Cyan = content & long-context · Grey = community benchmarks. Data: Artificial Analysis, Hugging Face.
8.6 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 #306 of 433 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.