Hermes 4 Llama 3.1 405B Reasoning is an AI model from Nous Research. The reasoning-mode variant of Nous Research's 405B Hermes 4 Llama 3.1 model, configured for extended chain-of-thought deliberation.
Specifications
Canonical IDnousresearch-hermes-4-llama-3-1-405b-reasoning
StatusActive
CreatorNous ResearchNous Research
Benchmarks
Intelligence Index
18.6
#240
Coding Index
16.0
#213
Math Index
69.7
#89
MMLU-Pro
0.8
#56
GPQA
0.7
#162
HLE
0.1
#131
LiveCodeBench
0.7
#72
IFBench
0.3
#298
Time to First Token
0.81s
#305
SciCode
0.3
#291
AIME 2025
0.7
#89
LCR
0.2
#243
TerminalBench Hard
0.1
#184
TAU2
0.2
#280
Output TPS
33.5
#250

Capabilities

Input0/5
Text·
Image·
Audio·
Video·
PDF·
Output0/5
Text·
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Llama 3.3 70B Instruct131K$0.100$0.200Available
Llama 3.2 3B Instruct131K$0.015$0.020Deprecated
Llama 3.2 1B Instruct131K$0.027$0.080Deprecated
Llama 3.1 405B Instruct131K$0.120$0.300Deprecating
Llama 3.1 70B Instruct131K$0.100$0.100Available
Llama 3.1 8B Instruct200K$0.020$0.030Available
Llama 3.1 70B128K$0.600$0.600Available
Llama 3.1 8B131K$0.030$0.050Available
Llama 3 70B Instruct131K$0.120$0.300Available
Llama 3 8B Instruct32K$0.030$0.040Available
Hermes 4 Llama 3.1 405B ReasoningCurrent

Model IDs