Run OmniRoute on Grok 4.3
OmniRoute is an open-source gateway you run yourself: one endpoint in front of 350 providers, with quota-aware fallback, token compression, and MCP support, built for Claude Code, Codex, Cursor, OpenCode, Cline and Copilot. Opper is listed in its provider catalogue, so you paste your Opper key once under Providers and every agent you point at OmniRoute can pick from Opper's 700+ models, EU-hosted routes included, alongside whatever else you have configured.
OmniRouteoninConnect OmniRoute to Grok 4.3
Add Opper in OmniRoute
In OmniRoute (v3.8.51 or later), open Providers → API key providers, pick Opper and paste your key; on older builds add a custom OpenAI-compatible provider with base URL https://api.opper.ai/v3/compat. Then pick Grok 4.3.
Where you can run it
Grok 4.3 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.
The model
Run OmniRoute on other models
Step-by-step setup for running OmniRoute on each of these models through Opper.
More apps on Opper
Claude Code
Anthropic's terminal coding agent. Run it on any model on Opper, not just Claude.
opper launch claude
Codex
OpenAI's open-source coding CLI. Run it on any model on Opper.
opper launch codex
DeepSeek Harness
DeepSeek's open-source coding agent. Add Opper as a custom provider to run it on any model, not just DeepSeek's.
OpenAI-compatible