Deepseek v4 Pro seems to be returning errors in build mode - `reasoning_content` in the thinking mode must be passed back to the API

[abeer91]

Description

Using Deepseek v4 Pro, via Open Router.

It's working fine in plan mode. When triggering build mode with the plan it generated, keep getting the error:

Plugins

No response

OpenCode version

1.14.24

Steps to reproduce

Setup OpenRouter with DeepSeek v4, create a plan, execute plan

Screenshot and/or share link

Attached above

Operating System

MacOS

Terminal

Ghostty

[github-actions]

This issue might be a duplicate of an existing issue. Please check:

• [DeepSeek V4] reasoning_content not round-tripped — 400 error on multi-turn tool calls #24190: Same root cause — DeepSeek V4's reasoning_content is not being round-tripped in multi-turn tool call history, causing a 400 error on subsequent turns. That issue includes a detailed root cause analysis and reproduction steps for the same error message you're seeing.

[rekram1-node]

Update opencode it's been fixed

[Avanatiker]

@rekram1-node i have the same issue as the guy and tried with latest release and latest commit on dev branch.

[rekram1-node]

looks like OR fix was missed yeah ill get to that