Nous

Hermes 3 405B Instruct

nousresearch/hermes-3-llama-3.1-405b

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...

Input

$1.3 / 1M tokens

Output

$1.3 / 1M tokens

Context

131K tokens

Capabilities

✓ Streaming○ Tool / function calling✓ JSON / structured output○ Vision (image input)

Call this model

Pass nousresearch/hermes-3-llama-3.1-405b as the model. Change only the base URL from your existing OpenAI SDK setup.

quickstart.sh

curl https://modeldatabase.com/v1/chat/completions \
  -H "Authorization: Bearer $MDB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nousresearch/hermes-3-llama-3.1-405b",
    "messages": [{"role":"user","content":"Hello!"}]
  }'

Prices are final — the routing margin is already included. See the full pricing table or the API docs.