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Very High Reasoning

Hermes 3 405B Instruct

Hermes 3 405B Instruct is a frontier-level AI model built on Llama 3.1 405B that excels at following user instructions with powerful steering capabilities, advanced reasoning, and superior performance in coding, structured output generation, and creative tasks. Optimized for efficiency through FP8 quantization, it delivers enterprise-grade performance while remaining fully open-source and accessible to researchers and developers.

128k Context
Very High Intelligence
Dec '23 Knowledge

Available for Chat, Vision, and File Uploads.

Performance Benchmarks

GPQA
53.6%
MMLU Pro
72.9%
LiveCodeBench
54.6%

How do you want to interact?

Start a Conversation

Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.

Start Chatting

Use a Persona

Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.

Pick a Persona

Why use Hermes 3 405B Instruct?

Coding Assistance

Generates production-quality code, debugs issues, explains concepts, reviews for vulnerabilities, and translates between languages

Roleplaying Excellence

Maintains consistent character personas across extended interactions for entertainment, simulations, and creative writing

Structured Outputs

Superior structured output generation, reliable function calling, and prompt adherence for agentic workflows

Capability Examples

Coding Assistant
Write a Python function to find the Fibonacci sequence up to n terms, optimized for efficiency.
def fibonacci(n): if n <= 0: return [] a, b = 0, 1 seq = [a] for _ in range(n-1): seq.append(b) a, b = b, a + b return seq # Example: fibonacci(10) -> [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]
Roleplaying Expert
You are a wise ancient wizard. Respond to: "Great wizard, how do I defeat the dragon?"
Stroking my long beard, eyes twinkling with arcane wisdom Young adventurer, to fell the mighty dragon, seek the Crystal of Eternal Flame in the Shadow Caves. Forge a blade from its heart, enchanted with dragon's bane runes. Strike true at its underbelly when it rears! But beware its fiery breath—dodge with elven agility!

How to use

1
Go to Chat

Navigate to the "AI Chat" page.

2
Select Model

Ensure Hermes 3 405B Instruct is selected.

3
Type Prompt

Ask a question or paste code.

4
Interact

Refine the answer by replying to the AI.

Compare LLMs Side-by-Side

Is Hermes 3 405B Instruct better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.

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