hermes-4-405b:private2(default, suffix optional)Hermes 4-405B API — how to connect and pay
A high-performance model tuned for a broad range of tasks.
Prices in $, updated October 25, 2026.
Performance
Last 7 days: responses / client requests that reached a supplier. Retries of one request count once; input checks, disabled routes, and client cancellations do not lower model quality.
Availability
not enough data
not enough data to estimate
Average latency
not enough data
to full response
TTFT
not enough data
to first token
Speed
not enough data
generation speed, tok/s (median)
Strengths
- OpenAI-compatible access
- Single key for all models
Good for
- Chat assistants
- Automation
- Text processing
- Product integration
Capabilities
- Context
- 131.1K tokens
- Max output
- 32K tokens
- Input
- text
- Tool calling
- supported
- JSON mode
- supported
- Vision
- no
- Reasoning
- not listed
Hermes 4 405B — a Llama fine-tune for roleplay and agentic scenarios.
Providers
Comparison of public providers for this model: price, availability, TTFT, speed and cache. No traffic yet — available probes shown, otherwise «—».
| Provider | Input $/1M | Output $/1M | Context | Availability | TTFT | Speed | Cache hit | Caching |
|---|---|---|---|---|---|---|---|---|
Defaultdefault hermes-4-405b:private2(default, suffix optional) | 1.60 | 6.40 | 131.1K / 32K | — | — | — | — | yes |
OpenAI-compatible endpoint
POST https://getvibeapi.com/v1/chat/completionsAuthorization
Pass your API key in the Bearer header. Keys start with sk-pv-.
Authorization: Bearer $GETVIBE_API_KEYResponse format
Responses follow the Chat Completions contract: the text is in choices[0].message.content, token usage is in usage.
First request
All examples use the public model address hermes-4-405b.
curl https://getvibeapi.com/v1/chat/completions \
-H "Authorization: Bearer $GETVIBE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "hermes-4-405b",
"messages": [
{
"role": "user",
"content": "Explain quantum computing in simple terms"
}
],
"stream": false
}'Chat Completions
Fields are generated from the service's live OpenAPI schema.
modelmessagesstreammax_tokenstemperaturetop_preasoning_efforttoolstool_choiceresponse_format| Field | Type | Required | Description |
|---|---|---|---|
model | string | yes | Public model ID in vendor/model form (OpenRouter-style), e.g. anthropic/claude-opus-5. The bare claude-opus-5 spelling is accepted as an input alias and bills identically. model:alias pins a channel, e.g. openai/gpt-5.6-sol:yellow. GET /v1/models lists one ID per model by default; ?variants=1 returns the full list. |
messages | array | yes | No description |
stream | boolean | no | Stream the response as server-sent events (SSE)Default: false |
max_tokens | integer | no | Maximum number of tokens in the response |
temperature | number | no | Sampling randomness, 0–2Default: 1 |
top_p | number | no | No description |
reasoning_effort | string | no | Reasoning level for Chat Completions. The supported values depend on the model.none · minimal · low · medium · high · xhigh · max |
tools | array | no | List of tools (function calling) |
tool_choice | string | no | auto, none, required or a specific tool |
response_format | object | no | Force JSON output |
Hermes 4-405B API
A high-performance model tuned for a broad range of tasks.
Install
pip install openaiQuick start
from openai import OpenAI
client = OpenAI(
api_key="sk-pv-...",
base_url="https://getvibeapi.com/v1",
)
response = client.chat.completions.create(
model="hermes-4-405b",
messages=[{"role": "user", "content": "Explain quantum computing in simple terms"}],
)
print(response.choices[0].message.content)Configuration
- base_url
https://getvibeapi.com/v1- model
hermes-4-405b- api_key
- GetVibe key from the dashboard
Full documentation: getvibeapi.com/docs.
Key facts
The live catalog contains 74 text models.
Hermes 4-405B: 1.6 $ input and 6.4 $ output per 1M tokens.
FAQ about the Hermes 4-405B API
How much does Hermes 4-405B cost?
The price of Hermes 4-405B: $1.60 per 1M input · $6.40 per 1M output tokens. Pay only for the tokens you use — no subscriptions or flat fees.
Is it compatible with the OpenAI SDK?
Yes, the API is fully OpenAI-compatible. Just change base_url to https://getvibeapi.com/v1 and set your key — the rest of the code stays the same.