Grok 4.20 0309 Non-Reasoning by xAI delivers fast, direct responses from a multi-agent architecture without extended thinking.
Available on
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- ZDR
- Training
- No
- Region
- US
Hermes is an open agent from Nous Research, the team behind the Hermes family of open-weight models. It runs as a terminal agent for general assistant and tool-use workflows, designed in the open and built to be steerable and unopinionated rather than locked down. On Opper it runs on a single key across 700+ models with full observability and a choice of region.
Paste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.
Grok 4.20 Non-Reasoning runs on the routes below. Route only to EU providers when your data has to stay in Europe. Some routes also sell priority processing: the same model at another price, picked per request with service_tier. How service tiers work.
Grok 4.20 0309 Non-Reasoning by xAI delivers fast, direct responses from a multi-agent architecture without extended thinking.
Step-by-step setup for running Hermes on each of these models through Opper.
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Opper built in