---
title: "Hermes 3 405B Instruct API Pricing"
source_api: "openrouter"
model: "nousresearch/hermes-3-llama-3.1-405b"
provider: "nousresearch"
canonical_url: https://coolhandlabs.com/inference-apis/openrouter-nousresearch-hermes-3-llama-3-1-405b
index_url: https://coolhandlabs.com/inference-apis
---

# Hermes 3 405B Instruct sticker prices

List rates as published by OpenRouter, before any volume or enterprise discounts.

| Field | Value |
|---|---|
| Provider | nousresearch (served via OpenRouter) |
| Pricing published by | OpenRouter |
| Input cost | $1.00 / 1M tokens |
| Output cost | $1.00 / 1M tokens |
| Deprecated | No |


## Get this data free

Want to stay updated on price changes on this model? Pull this data free (no API key required):

```
curl "https://coolhandlabs.com/api/v2/inference_apis?q%5Bmodel_eq%5D=nousresearch%2Fhermes-3-llama-3.1-405b&q%5Bsource_api_eq%5D=openrouter"
```

Full REST API docs: https://coolhandlabs.com/docs

## Pricing History

- Aug 16, 2026 – present: Input cost: $1.00 / 1M, Output cost: $1.00 / 1M, Cached input cost: $0.00 / 1M, Cache creation cost: $0.00 / 1M, 5-minute cache write cost: $0.00 / 1M, 1-hour cache write cost: $0.00 / 1M, Reasoning output cost: $0.00 / 1M, Cache storage cost: $0.00 / 1M/hr

## History

No automated scan changes recorded yet.

- 2026-08-16 (unknown):
Initial record created

## Source

No source URL recorded yet.

## Comparable models

None identified yet.

## What other models does nousresearch offer?

| Model | Input cost | Output cost | Status |
|---|---|---|---|
| [Hermes 3 70B Instruct](https://coolhandlabs.com/inference-apis/openrouter-nousresearch-hermes-3-llama-3-1-70b) (via OpenRouter) | $0.70/1M | $0.70/1M | Active |
| [Hermes 4 405B](https://coolhandlabs.com/inference-apis/openrouter-nousresearch-hermes-4-405b) (via OpenRouter) | $1.00/1M | $3.00/1M | Active |
| [Hermes 4 70B](https://coolhandlabs.com/inference-apis/openrouter-nousresearch-hermes-4-70b) (via OpenRouter) | $0.13/1M | $0.40/1M | Active |

---
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