Last refreshed 2026-06-30. Next refresh: weekly.
Why use Hermes-4-405B on Nous Portal?
Nous Portal offers Hermes-4-405B with pay-as-you-go pricing at $0.09/1M input tokens. Nous Portal is Nous Research's hosted inference platform and subscription portal — API keys, billing, Hermes Agent OAuth, model catalog access, and a usage-priced Tool Gateway for image backends.
Compare Hermes-4-405B across 2 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: hermes-4-405bhermes-4-405bRequest example
hermes-4-405b.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Compare Hermes-4-405B Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Nous Portal | $0.09 | $0.37 |
| OpenRouter | $1.00 | $3.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.09 |
| Output tokens | $0.37 |
Capabilities
About Hermes-4-405B
Hermes 4's 405B hosted variant on Nous Portal. The portal describes it as the largest Hermes 4 model, focused on advanced reasoning and creative depth rather than inference speed or cost.
FAQ
What does Hermes-4-405B cost on Nous Portal?
On Nous Portal, Hermes-4-405B costs $0.09 per 1M input tokens and $0.37 per 1M output tokens.
What is the context window for Hermes-4-405B on Nous Portal?
Hermes-4-405B supports a 128k token context window on Nous Portal.
How does Nous Portal compare to other Hermes-4-405B providers?
Hermes-4-405B is available from 2 providers. The cheapest input pricing is $0.09/1M tokens from Nous Portal.
Who created Hermes-4-405B?
Hermes-4-405B was created by Nous Research as part of the Hermes 4 model family.
Is Hermes-4-405B open source?
Hermes-4-405B has open weights under Llama 3 Community according to the seed data, but that does not necessarily mean an OSI-approved open-source license.