OpenCode: An Open-Source, Model-Agnostic Alternative to Claude Code

Short summary

OpenCode is an open-source, model-agnostic AI coding agent built in Go by the SST team, supporting 75+ LLM providers including local models via Ollama. It surpassed Claude Code on GitHub stars (160K+ vs 122K+) and offers flexible pricing: bring-your-own-key, a pay-as-you-go gateway, or a $10/month plan with open-model access. A January 2026 Anthropic OAuth policy change blocked third-party Claude.ai authentication, making OpenCode's open philosophy its defining feature rather than just a cost advantage.

• •Open-source model-agnostic coding agent supporting 75+ LLM providers
• •Surpassed Claude Code on GitHub stars; offers BYOK and $10/month open-model plan
• •Anthropic's Jan 2026 OAuth block made open vs. managed the real decision, not cost

Generated with AI, which can make mistakes.