· Harness/ Head to head

Prime Agent vs OpenCode

Both are open source harness options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence.

Prime Agent

Prime Intellect's recursive-language-model harness — a persistent IPython kernel is the only tool, sub-agents are function calls.

Open source · can be self-hosted

Drops fixed tool schemas and context compaction: the agent writes programs over its own context, and can CRUD its own prompts, skills and sub-agents mid-run.

OpenCode

Open-source terminal coding agent, provider-agnostic.

Open source · can be self-hosted

· Side by side/ 1 of 6 differ
Prime AgentOpenCode
LicenceOpen sourceOpen source
Pricingopen sourceopen source
Self-hostableYesYes
LanguagesAny languageAny language
Installcurl -fsSL https://app.primeintellect.ai/prime-agent/install.sh | shnpm install -g opencode-ai
Keys requiredNoneNone
· Common questions/ FAQ

What is the difference between Prime Agent and OpenCode?

Both are open source harness options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence. Prime Agent: Prime Intellect's recursive-language-model harness — a persistent IPython kernel is the only tool, sub-agents are function calls. OpenCode: Open-source terminal coding agent, provider-agnostic.

Can Prime Agent and OpenCode be self-hosted?

Prime Agent can run on your own infrastructure. OpenCode can run on your own infrastructure.

Are Prime Agent and OpenCode open source?

Prime Agent is open source (open source). OpenCode is open source (open source).

Build a stack with Prime AgentAll harness options
· For agents/ This page, machine-readable

Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.

curl -s -H "Accept: text/markdown" https://newagent.build/compare/prime-agent-vs-opencode