Model capability probe

Nous: Hermes 3 405B Instruct (free) | JSON mode

Whether Nous: Hermes 3 405B Instruct (free) supports JSON mode cannot be decided from the name alone. Check model ID nousresearch/hermes-3-llama-3.1-405b:free, provider Nousresearch, catalog params, modality, a lightweight runtime probe, and the error body together.

Model

nousresearch/hermes-3-llama-3.1-405b:free

Nous: Hermes 3 405B Instruct (free)

Provider

Nousresearch

6 models in catalog

Capability

JSON mode

json-mode

Catalog signal

runtime probe required

Context: 131,072

Capability probe summary

Model

nousresearch/hermes-3-llama-3.1-405b:free

Capability

json-mode

Catalog signal

runtime probe required

Read-only check. Detection data burns after 5 minutes.

How to judge this capability

Whether Nous: Hermes 3 405B Instruct (free) supports JSON mode cannot be decided from the name alone. Check model ID nousresearch/hermes-3-llama-3.1-405b:free, provider Nousresearch, catalog params, modality, a lightweight runtime probe, and the error body together.

Model: nousresearch/hermes-3-llama-3.1-405b:free
Provider: Nousresearch
Capability: JSON mode

How to prove it during checking

Read-only check. Detection data burns after 5 minutes.

Start with the catalog signal: runtime probe required, then verify with a real key in read-only mode.
The capability probe must bind model ID nousresearch/hermes-3-llama-3.1-405b:free; do not test another model from the same provider.
JSON mode · supports frequency_penalty · supports max_tokens · supports presence_penalty · supports stop

Next action

Nous: Hermes 3 405B Instruct (free) JSON mode should turn into an operator action: confirm sale tags, fill the capability matrix, change route, suggest a fallback model, or mark unsupported for now.

Read-only check. Detection data burns after 5 minutes.
Catalog signal: runtime probe required
Context: 131,072

Open key checker

Read-only check. Detection data burns after 5 minutes.

Open models

Nous: Hermes 3 405B Instruct (free)

Open providers

Nousresearch