Comparison · under IB-CODE-2026.2
Claude Code vs OpenCode
| Claude Code | OpenCode | |
|---|---|---|
| Vendor | Anthropic | opencode.ai (OSS community) |
| Pricing | Claude Pro $20/mo; Max $100/mo (5x) or $200/mo (20x); API at $3 / $15 per Mtok (Sonnet 4.6 in/out) | Free OSS + API tokens (BYOK); works with Ollama for local/zero-cost runs |
| Default model | claude-sonnet-4-6 (Opus 4.6 on flagship tasks) | Configurable — community default claude-sonnet-4-6 or gemini-2.5-pro |
| CLI surface | ✓ | ✓ |
| Eval status | published · read | in progress |
One side evaluated, one side pending
Claude Code has been evaluated under IB-CODE-2026.2: read the Claude Code evaluation →
The other side (OpenCode) is currently in progress . When that eval lands, this page will update to a full head-to-head comparison.
About each tool
Claude Code
Claude Code is Anthropic's agentic coding CLI, GA as of early 2026. Ranked #1 most-loved in the Pragmatic Engineer dev survey (Feb 2026, 15K respondents). Default model is Sonnet 4.6 with Opus 4.6 routing on flagship tasks. The eval anchor for Indie Bench because it's the tool being operated to run …
OpenCode
OpenCode is the 2026 open-source breakout in agentic coding CLIs. Launched March 2025, crossed Cline and OpenHands in GitHub stars by April 2026 (140K+), closing the gap on Aider. Go-based TUI with built-in plan mode, MCP support, and provider-agnostic backends (75+ providers including local Ollama)…