Hermes 4 405B
Nous Research · 2 thinking configurations
Intelligence7.5
Input / 1M$1.00
Output / 1M$3.00
Context128K
Tariff: Nous Research · Source: artificial-analysis · USD per million tokens
Thinking configuration
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Efficient frontier: best measured score at each cost2 measured configurations · 0 without both values
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Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research. It introduces a hybrid reasoning mode, where the model can choose to deliberate internally with...
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
7.5 pointsGPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
72.7 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
10.9 %τ²-BenchTool use and interaction in assistance scenarios. Does not replace an evaluation of your integration.
22.2 %IFBenchVerifiable instruction following. A proxy for precision rather than a benchmark of creative style.
32.7 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
30.1 %Specifications from the catalog
Inputtext
Outputtext
Tool callingNo
Structured outputNo
Speed42.8 tok/s
First token2.38 s
Maximum output118K
Catalog listing date2025-08-26