Hermes-4-405B
Hermes-4-405B is worth evaluating for long context when its provider route and context window match the workload.
Use it for
- Teams evaluating long context
- Workloads that can use a 128k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Vision or document-understanding workloads
- Strict JSON or tool-calling flows
- Family
- Hermes 4
- Released
- 2025-09-22
- Context
- 128k
- Parameters
- 405B
- Knowledge cutoff
- 2023-12
- Openness
- Open weights
- License
- Llama 3 CommunityCommercial use with conditions
Cheapest of 1 route · Nous Portal
About
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.
Hermes-4-405B is an open-weight model in the Hermes 4 family. The structured metadata tracks a 128k-token context window and reasoning. This page tracks provider routes through Nous Portal, with the cheapest tracked route listed at $0.09 input and $0.37 output per 1M tokens. No headline benchmark score is tracked for Hermes-4-405B yet.
Top use-case fit
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| Nous Portal | $0.090 | $0.370 | Serverless |
Capabilities
Benchmark peer barsfor Long context
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Cheapest of 1 route · Nous Portal