Comparison · under IB-CODE-2026.2
Aider vs OpenCode
| Aider | OpenCode | |
|---|---|---|
| Vendor | Paul Gauthier (OSS, Apache 2.0) | opencode.ai (OSS community) |
| Pricing | Free OSS + API tokens; $30-60/mo typical at moderate use with Sonnet 4.6 | Free OSS + API tokens (BYOK); works with Ollama for local/zero-cost runs |
| Default model | Model-agnostic; community default claude-sonnet-4-6 or GPT-5.5; 100+ providers | Configurable — community default claude-sonnet-4-6 or gemini-2.5-pro |
| CLI surface | ✓ | ✓ |
| Eval status | queued | in progress |
Comparison pending — neither side evaluated yet
Both Aider and OpenCode are currently unevaluated under IB-CODE-2026.2. This page will update as evaluations land.
Want this comparison sooner? Vendors can commission an evaluation to bump their tool up the queue (with full editorial independence on the verdict). Readers can email hello@indiebench.dev to vote for which comparison ships next.
About each tool
Aider
Aider is the reference implementation of BYOK CLI coding agents. Deepest git integration in the category: auto-commit per change, smart context windows from the repo map, reproducible CI runs. Pip-installable, model-agnostic, no telemetry. Star growth has slowed as OpenCode picks up community attent…
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)…