Side-by-side comparison
Hermes 4 405B vs GLM 5.1
| Hermes 4 405B | GLM 5.1 | |
|---|---|---|
| Provider | Nous | Z.ai |
| Context window Maximum tokens (input + output) the model can process in a single request. Glossary → | 131,072 | 202,752 |
| Capabilities Optional capabilities the model advertises: vision (images), tools (function calling), json_mode (structured output). | json_mode | tools, json_mode |
| Input $ / 1M tokens Cost for tokens you send (prompt + context). Cheaper side highlighted. Glossary → | 1.0000 | 0.9800 |
| Output $ / 1M tokens Cost for tokens the model generates. Output is normally 3–5× pricier than input. Glossary → | 3.0000 | 3.0800 |
Frequently asked questions
Which is cheaper, Hermes 4 405B or GLM 5.1?
Hermes 4 405B is cheaper than GLM 5.1 on a 50/50 input/output blend by about $0.03 per 1M tokens. Exact savings depend on your input-vs-output ratio — use the cost calculator on this page for a workload-specific estimate.
Which has a larger context window, Hermes 4 405B or GLM 5.1?
GLM 5.1 has the larger context window at 203k tokens versus 131k tokens for Hermes 4 405B. That means GLM 5.1 can ingest about 1.5x as much text per request.
What is the difference between Hermes 4 405B and GLM 5.1?
Hermes 4 405B comes from Nous; GLM 5.1 comes from Z.ai. They differ in pricing, context window, and supported capabilities — see the side-by-side table on this page for the exact figures, refreshed nightly.