Hermes 4 - Llama-3.1 405B

by Nous Research

Released 27 Aug 2025 · 167 days after DeepHermes 3 - Mistral 24B Preview

Key info

Context window

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Max output

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Input price

$1.00 /1M

Output price

$3.00 /1M

Prices are the median across providers tracked by Artificial Analysis, not Opper billing.

Benchmarks

Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.

Global rank#421 of 597 LLMs

TierEfficient

Output speed35 tok/s

First token0.79s

Intelligence Index8.6

Math Index15.3

Reasoning & knowledge

MMLU-Pro

73%

GPQA Diamond

54%

Humanity's Last Exam

Long-context reasoning

21%

Coding

LiveCodeBench

55%

SciCode

35%

Agentic & tool use

Terminal-Bench Hard

10%

τ²-Bench Telecom

27%

Math & instruction following

AIME 2025

15%

IFBench

35%

See full leaderboard →Benchmarks via Artificial Analysis · View on AA

Available routes

No routes currently available — Hermes 4 - Llama-3.1 405B isn't routed through the Opper gateway right now. It's tracked here for its release history.

Available models from Nous Research

Hermes 3 Llama 3.1 70B