OpenCode

Anomaly (SST) · cli · licence: MIT · homepage · pricing · changelog

Open source yes BYOK yes Sub-agents yes MCP client

Headless Cap strictness 5h + weekly rolling ~$20 plan cap_risk high

Plans and limits

Plan	Price /mo	Limits	Source
Free (BYOK)	$0	No limits of its own; you pay your model provider (75+ providers)	source 2026-10-20
Go	$10	Per-model dollar caps: 5h = 20% and weekly = 50% of each model's monthly limit	source 2026-10-22
Go Plus	$40	Same models with 2-8x higher per-model monthly limits; same 20%/50% windows	source 2026-10-22

75+ providers incl. local; Go: curated open models

Cost per benchmark task: $4.24 (GLM-5.3 (default), AA Coding Agent Index v1.5, source, retrieved 2026-10-05).

2026-10-22 [limit]

OpenCode Go's limited-time 4x boost on Step 5 Preview has ended: its monthly limit is back to $15 on Go and $60 on Go Plus (was $60 and $240). The 'Use balance' fallback is now called Extra usage. source
2026-10-16 [model]

OpenCode Go drops Grok 4.6, Kimi K2.6 and MiniMax M2.7; Step 5 Preview no longer free on Go ($15 monthly allowance, temporarily $60). source
2026-10-11 [feature]

OpenCode 1.19.0: updates are no longer installed automatically (use /update), and `opencode upgrade --major` moves to OpenCode 2. source
2026-10-08 [model]

Step 5 Preview made free on OpenCode for one week (promo ended Oct 16). source
2026-09-28 [price]

New Go Plus plan at $40/month with higher per-model limits; Go stays $10. source