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Hermes 4 Large
nebius/
Nebius model · Served by Nebius · live on the gateway
Input / 1M
$1.00
Output / 1M
$3.00
Context
128K tokens
Max output
8K tokens
Input
Text
Released
1y ago
Pricing
Input tokens$1.00 per 1M
Output tokens$3.00 per 1M
Provider list priceExactly what your balance is debited; our fee is charged when you buy credits
About Hermes 4 Large
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
What it supports
- Tool calling (function calling)
- JSON mode and structured output
- Image input (vision)
- Audio input
- Extended reasoning
- Streaming responses
- OpenAI SDK, Anthropic SDK and any OpenAI-compatible client
Make a request
curl https://rapidrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $RAPIDROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "nebius/nousresearch/hermes-4-405b",
"messages": [{ "role": "user", "content": "Hello" }]
}'Frequently asked
How do I call Hermes 4 Large through an OpenAI-compatible API?
Point any OpenAI-compatible client at https://rapidrouter.ai/api/v1 with a Rapid Router API key and set the model to nebius/nousresearch/hermes-4-405b. The chat completions endpoint is https://rapidrouter.ai/api/v1/chat/completions.
What is the context window of Hermes 4 Large?
Hermes 4 Large has a context window of 128,000 tokens on Rapid Router, and returns up to 8,192 output tokens per reply.
What can Hermes 4 Large do?
On Rapid Router, Hermes 4 Large supports JSON mode.