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Hermes 3 405B
About Hermes 3 405B
Hermes 3 405B is an AI model developed by Nous Research, in the language category, released in 2024, made available as an open-weights model with 405B params.
On this page you'll find Hermes 3 405B's full specifications, including 8 benchmark results. Review provider pricing and benchmark scores below, or compare Hermes 3 405B head-to-head with other language models.
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Run Hermes 3 405B locally — what it takes
Hermes 3 405B (405B) is too large to run on a single consumer or Apple machine. At Q4 its weights alone are about 227 GB — it needs a multi-GPU / datacenter setup:
- ≈ 1× AMD Instinct MI325X
- ≈ 2× NVIDIA B200
Lower quantization (Q3/Q2) or CPU + system-RAM offload (e.g. ktransformers) reduces the requirement at the cost of speed.
Software support
✓ measured · · compatible · — not supported. Informational only — speed is hardware-based.
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Hermes 3 405B benchmark scores▶
| Benchmark | Category | Score | Variant |
|---|---|---|---|
| HumanEval | code | 92.3% | pass@10-cited-tulu3 |
| HumanEval+ | code | 86.9% | pass@10-cited-tulu3 |
| AlpacaEval 2 | general | 30.2% | lc-win-cited-tulu3 |
| IFEval | general | 81.9% | cited-tulu3 |
| MMLU | general | 84.9% | cited-tulu3 |
| GSM8K | math | 92.7% | cited-tulu3 |
| MATH | math | 58.4% | cited-tulu3 |
| BIG-Bench Hard | reasoning | 87.7% | cited-tulu3 |
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Frequently asked questions
What is Hermes 3 405B? ▶
Hermes 3 405B is an AI model developed by Nous Research, in the language category, released in 2024. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.
Who created Hermes 3 405B? ▶
Hermes 3 405B was developed by Nous Research and released in 2024.
Is Hermes 3 405B open source or proprietary? ▶
Hermes 3 405B ships as an open-weights model: you can download and self-host the weights, though the licence may place some restrictions on use.
How much does Hermes 3 405B cost? ▶
Pricing for Hermes 3 405B depends on the provider. See the providers table on this page for the latest API rates.
How does Hermes 3 405B perform on benchmarks? ▶
Hermes 3 405B is benchmarked across 8 evaluations on GenAIList, including HumanEval (92.3%). See the full benchmark table below and compare it with other models.
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