OpenCode is SST's open-source coding agent for the terminal. It runs as a fast, keyboard-driven TUI, works across your whole codebase, and was designed from the start to be provider-agnostic rather than tied to a single model. On Opper you get a single key to 700+ models behind it, transparent pass-through pricing, and a choice of EU or US hosting.
OpenCodeoninPaste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.
Grok 3 Mini 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 3 Mini by xAI is a lightweight reasoning model with visible thinking tokens and a 131k context window for logic-based tasks.
Step-by-step setup for running OpenCode on each of these models through Opper.
Anthropic's terminal coding agent. Run it on any model on Opper, not just Claude.
opper launch claude
OpenAI's open-source coding CLI. Run it on any model on Opper.
opper launch codex
DeepSeek's open-source coding agent. Add Opper as a custom provider to run it on any model, not just DeepSeek's.
OpenAI-compatible