K2-V2 vs Hermes 4 - Llama-3.1 405B: Release Comparison
Comparison of the K2-V2 and Hermes 4 - Llama-3.1 405B releases: 3 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 5 models.
- For intelligence, K2-V2 scores highest: K2-V2 (high) at 10, against Hermes 4 - Llama-3.1 405B (Reasoning) at 7 for Hermes 4 - Llama-3.1 405B.
Releases compared
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indexes
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2.1, AA-Briefcase v1.1, Terminal-Bench 4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2.1, AA-Briefcase v1.1, AA-LCR v1.1 · Higher is better
Further details
Input modality | Output modality | Weights | Provider Benchmarks | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| K2-V2 (high) |  Institute of Foundation Models | 10 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 70B | 512k | Dec 2025 | - | Yes | Supports: text | Supports: text | - | |||
| K2-V2 (medium) | Institute of Foundation Models | 9 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 70B | 512k | Dec 2025 | - | Yes | Supports: text | Supports: text | - | |||
| Hermes 4 - Llama-3.1 405B (Reasoning) |  Nous Research | 7 | - | - | - | - | - | - | - | $1.2 | $1.00 | $3.00 | - | - | - | - | - | 40 | 2.46s | 52.39s | 64.88s | - | 406B | 128k | Aug 2025 | - | Yes | Supports: text | Supports: text |  | |||
| Hermes 4 - Llama-3.1 405B (Non-reasoning) | Nous Research | 7 | - | - | - | - | - | - | - | $1.2 | $1.00 | $3.00 | - | - | - | - | - | 41 | 2.39s | 2.39s | 14.54s | - | 406B | 128k | Aug 2025 | - | No | Supports: text | Supports: text | | |||
| K2-V2 (low) | Institute of Foundation Models | 7 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 70B | 512k | Dec 2025 | - | Yes | Supports: text | Supports: text | - | |||