Open Llama instruction model for multilingual chat, reasoning, and coding
Nous: Hermes 3 405B Instruct (free) is listed for chat workloads and supports a 131K context window.
Use it when OpenRouter's free tier is enough for evaluation, demos, or light production traffic.
We only found this Nous: Hermes 3 405B Instruct (free) listing on OpenRouter in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | Nous: Hermes 3 405B Instruct (free) | Free tier | 131K | OpenAI-style | 200 req/day (free tier) |
| Model | Provider | Context | Access |
|---|---|---|---|
| Poolside: Laguna XS 2.1 (free) | OpenRouter | 262K | Free tier |
| Cohere: North Mini Code (free) | OpenRouter | 256K | Free tier |
| NVIDIA: Nemotron 3.5 Content Safety (free) | OpenRouter | 128K | Free tier |
| NVIDIA: Nemotron 3 Ultra (free) | OpenRouter | 1.0M | Free tier |
| NVIDIA: Nemotron 3 Nano Omni (free) | OpenRouter | 256K | Free tier |
Nous: Hermes 3 405B Instruct (free) is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
Nous: Hermes 3 405B Instruct (free) is listed with free API access on OpenRouter, subject to the provider's quota and account policy.
The model ID shown in this catalog is nousresearch/hermes-3-llama-3.1-405b:free.
The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.
The listed context window is 131K tokens with up to 8K output tokens.
Open Llama instruction model for multilingual chat, reasoning, and coding
For API keys, setup steps, and provider-level limits, see the OpenRouter provider page.