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Hermes 3 405B Instruct vs Llama Guard 4 12B

Detailed technical comparison between Hermes 3 405B Instruct (Nous Research) and Llama Guard 4 12B (Meta). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

Hermes 3 405B Instruct: 0 WinsvsLlama Guard 4 12B: 6 Wins
Context Leader

Llama Guard 4 12B

1,048,576 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Llama Guard 4 12B

$0.18 / MTok
Nous Researchactive

Hermes 3 405B Instruct

Hermes 3 is a generalist language model with many improvements over Hermes 2, including advanced agentic capabilities, much better roleplaying, reasoning, multi-turn conversation, long context coherence, and improvements across the...

View Hermes 3 405B Instruct Full Specs →
Metaactive

Llama Guard 4 12B

Llama Guard 4 is a Llama 4 Scout-derived multimodal pretrained model, fine-tuned for content safety classification. Similar to previous versions, it can be used to classify content in both LLM...

View Llama Guard 4 12B Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationHermes 3 405B InstructLlama Guard 4 12B
ProviderNous ResearchMeta
Context Window131,072 tokens1,048,576 tokens🏆
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelself hostableself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2024-08-162025-04-30

API Pricing Comparison

Input Price per Million Tokens

Hermes 3 405B Instruct

$1.00

Llama Guard 4 12B

$0.18

Output Price per Million Tokens

Hermes 3 405B Instruct

$1.00

Llama Guard 4 12B

$0.18

💡 Cost Ratio: Llama Guard 4 12B is 5.6x cheaper per input token than Hermes 3 405B Instruct.

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Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
78.8%vs79.8%+1.0% Llama Guard 4 12B
Hermes 3 405B Instruct
Llama Guard 4 12B 🏆
HumanEvalPython coding & logic synthesis
77.0%vs78.0%+1.0% Llama Guard 4 12B
Hermes 3 405B Instruct
Llama Guard 4 12B 🏆
MATHComplex mathematical problem solving
54.2%vs55.2%+1.0% Llama Guard 4 12B
Hermes 3 405B Instruct
Llama Guard 4 12B 🏆
GPQAGraduate-level expert reasoning
39.6%vs40.6%+1.0% Llama Guard 4 12B
Hermes 3 405B Instruct
Llama Guard 4 12B 🏆
HellaSwagCommonsense reasoning and inference
81.8%vs82.8%+1.0% Llama Guard 4 12B
Hermes 3 405B Instruct
Llama Guard 4 12B 🏆
MT-BenchMulti-turn conversation flow quality
8.4%vs8.5%+0.1% Llama Guard 4 12B
Hermes 3 405B Instruct
Llama Guard 4 12B 🏆

Hermes 3 405B Instruct Quirks & Gotchas

No developer gotchas reported.

Llama Guard 4 12B Quirks & Gotchas

No developer gotchas reported.

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