Hermes 4 Large (Thinking)
Hermes 4 Large with thinking enabled. Streams visible reasoning before the final answer and supports structured outputs.
- Structured Output
Pricing
Auto routing · per 1M tokens- Input
- $0.30
- Output
- $1.20
Specifications
- Context window
- 128K
- Max output
- 8.2K
- Parameters
- 405B
- Avg output (7d)
- 816 tokens
- Longer than 62% of models
Benchmarks
Benchmarks
Sourced from Artificial Analysis.
Intelligence Index
7.5
Agentic work
T²-Bench Telecom (legacy)
Legacy fallback · Conversational AI agents in dual-control scenarios
22.2%
Better than 24% of models compared
Document reasoning
AA-LCR v1.1
Long context reasoning with updated grading
22.3%
Better than 24% of models compared
Reasoning
HLE
Humanity's Last Exam
10.9%
Better than 53% of models compared
IFBench
Instruction-following benchmark
32.7%
Better than 21% of models compared
CritPt
Research-level physics reasoning
0.3%
Coding
Terminal-Bench Hard (legacy)
Legacy fallback · Agentic coding and terminal use
11.4%
Better than 47% of models compared
LiveCodeBench
Contamination-free coding benchmark
68.6%
Better than 77% of models compared
Math
AIME 2025
American Invitational Mathematics Examination 2025
69.7%
Better than 64% of models compared
Knowledge
MMLU-Pro
Professional and academic subject knowledge
82.9%
Better than 82% of models compared
AA-Omniscience Accuracy
Proportion of correctly answered questions
30.1%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
94.5%
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
72.7%
Better than 53% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
22.3%
Better than 24% of models compared
Last updated Oct 3, 2026
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