Add documentation about the best model for CM5

[mhalano]

Describe the issue you are experiencing

Recently Nabu Casa started selling a Home Assistant Yellow with CM5. For CM4 the default model is tiny-int8, but there is no information in the documentation, at least I couldn't find, what would be the best model for a CM5 module. I don't know though if the recommendation should change between how much RAM the device has. I think we need some kind of benchmark to compare time of response and accuracy.

What type of installation are you running?

Home Assistant OS

Which operating system are you running on?

Home Assistant Operating System

Which add-on are you reporting an issue with?

Whisper

What is the version of the add-on?

2.5.0

Steps to reproduce the issue

This is more related to documentation, I think.

System Health information

System Information

version	core-2025.5.3
installation_type	Home Assistant OS
dev	false
hassio	true
docker	true
user	root
virtualenv	false
python_version	3.13.3
os_name	Linux
os_version	6.6.74-haos-raspi
arch	aarch64
timezone	America/Sao_Paulo
config_dir	/config

Home Assistant Community Store

GitHub API	ok
GitHub Content	ok
GitHub Web	ok
HACS Data	ok
GitHub API Calls Remaining	4994
Installed Version	2.0.5
Stage	running
Available Repositories	1967
Downloaded Repositories	1

Home Assistant Cloud

logged_in	true
subscription_expiration	December 31, 2017 at 10:00 PM
relayer_connected	false
relayer_region	null
remote_enabled	false
remote_connected	false
alexa_enabled	false
google_enabled	false
cloud_ice_servers_enabled	true
remote_server	null
certificate_status	null
instance_id	1fd550821a9641d6a5295e9fecf71def
can_reach_cert_server	ok
can_reach_cloud_auth	ok
can_reach_cloud	ok

Home Assistant Supervisor

host_os	Home Assistant OS 15.2
update_channel	stable
supervisor_version	supervisor-2025.05.3
agent_version	1.7.2
docker_version	28.0.4
disk_total	116.7 GB
disk_used	12.3 GB
healthy	true
supported	true
host_connectivity	true
supervisor_connectivity	true
ntp_synchronized	true
virtualization
board	yellow
supervisor_api	ok
version_api	ok
installed_addons	Orb (1.0.2), Zigbee2MQTT (2.3.0-1), Whisper (2.5.0), openWakeWord (1.10.0), Z-Wave JS (0.13.1), Terminal & SSH (9.17.0), Silicon Labs Flasher (0.3.2), Mosquitto broker (6.5.1), OpenThread Border Router (2.13.0), Speech-to-Phrase (1.3.0), Glances (0.21.1), ESPHome Device Builder (2025.5.1), File editor (5.8.0), Matter Server (8.0.0), Piper (1.5.4), Get HACS (1.3.1), Home-Assistant-Matter-Hub (3.0.0-alpha.84)

Dashboards

dashboards	3
resources	0
views	4
mode	storage

Network Configuration

adapters	lo (disabled), end0 (enabled, default, auto), docker0 (disabled), hassio (disabled), veth99a7a93 (disabled), veth23ec5d9 (disabled), veth03595f8 (disabled), vethbe93ad3 (disabled), veth712a924 (disabled), veth0e77e64 (disabled), veth27f8896 (disabled), veth0c50c2e (disabled), vethf132b48 (disabled), veth3f7cd51 (disabled), wpan0 (disabled), vethc0889a8 (disabled), veth78391ad (disabled), veth2ad1db4 (disabled)
ipv4_addresses	lo (127.0.0.1/8), end0 (192.168.1.159/24), docker0 (172.30.232.1/23), hassio (172.30.32.1/23), veth99a7a93 (), veth23ec5d9 (), veth03595f8 (), vethbe93ad3 (), veth712a924 (), veth0e77e64 (), veth27f8896 (), veth0c50c2e (), vethf132b48 (), veth3f7cd51 (), wpan0 (), vethc0889a8 (), veth78391ad (), veth2ad1db4 ()
ipv6_addresses	lo (::1/128), end0 (2804:d51:499d:e800:c8b5:6009:a5f9:6223/64, fe80::f162:93c9:a82b:38b1/64), docker0 (fe80::b89c:50ff:fe8b:b892/64), hassio (fe80::e0d6:dcff:fe5d:41b8/64), veth99a7a93 (fe80::e868:e4ff:fea7:debe/64), veth23ec5d9 (fe80::9c0f:f6ff:fea0:aaca/64), veth03595f8 (fe80::88e3:eff:fe6e:4b8/64), vethbe93ad3 (fe80::fc58:e8ff:fe1a:3767/64), veth712a924 (fe80::6c40:3cff:fe09:9da7/64), veth0e77e64 (fe80::bc7d:7aff:febe:1bab/64), veth27f8896 (fe80::e80b:34ff:fe0b:f02f/64), veth0c50c2e (fe80::9c1d:eff:fe54:4c/64), vethf132b48 (fe80::149b:a0ff:fef7:be8d/64), veth3f7cd51 (fe80::54f1:4cff:fe48:2301/64), wpan0 (fdc8:72d8:74b5:4cc:0:ff:fe00:fc11/64, fda7:bb93:7a19:1:e3a8:1268:833c:1c68/64, fdc8:72d8:74b5:4cc:0:ff:fe00:fc10/64, fdc8:72d8:74b5:4cc:0:ff:fe00:fc38/64, fdc8:72d8:74b5:4cc:0:ff:fe00:fc00/64, fdc8:72d8:74b5:4cc:0:ff:fe00:8c00/64, fdc8:72d8:74b5:4cc:b56f:a08c:cab3:8257/64, fe80::143c:9cf0:8929:9d79/64), vethc0889a8 (fe80::cc83:b6ff:fe41:b2cd/64), veth78391ad (fe80::74ea:68ff:fe25:e75d/64), veth2ad1db4 (fe80::8cf8:acff:fe9e:5f29/64)
announce_addresses	192.168.1.159, 2804:d51:499d:e800:c8b5:6009:a5f9:6223, fe80::f162:93c9:a82b:38b1

Recorder

oldest_recorder_run	May 19, 2025 at 8:45 PM
current_recorder_run	May 30, 2025 at 5:11 PM
estimated_db_size	230.55 MiB
database_engine	sqlite
database_version	3.48.0

Anything in the Supervisor logs that might be useful for us?

Anything in the add-on logs that might be useful for us?

Additional information

I think it's just necessary run some benchmarks with more models and select one the best suit CM5 the same way it was done to CM4 (tiny-int8).