Kimi K2.5 is unable to think for Amazon Bedrock

[RoyCoding8]

Description

Amazon Bedrock allows think toggle for Kimi K2.5 but Opencode calls the base model with no thinking. Furthermore there is no way to do a think toggle as it is added to the list of models where think toggle isn't allowed.

Plugins

No response

OpenCode version

1.3.13

Steps to reproduce

No response

Screenshot and/or share link

No response

Operating System

Windows 11

Terminal

Powershell

[github-actions]

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

• Kimi K2.5 on AWS Bedrock: multiple failures — premature end_turn, silent stops, and toolResult format errors #14221: Kimi K2.5 on AWS Bedrock: multiple failures — similar Kimi K2.5 + Bedrock issues (tool calls, stops, errors)
• In Alibaba Cloud Bailian's coding plan, the deep thinking of Kimi K2.5 cannot be enabled properly #17070: Kimi K2.5 deep thinking cannot be enabled on Alibaba Cloud Bailian — same problem (think not working for Kimi K2.5) on a different provider
• No Chain of Thought retrieved if Provider lacks support, despite thinkmode config #6768: No Chain of Thought retrieved if Provider lacks support, despite thinkmode config — related think toggle issue

If your issue is specifically about the think toggle being disabled/blocked for Kimi K2.5 on Bedrock (rather than a general Bedrock Converse API bug), please confirm it isn't already covered by the above issues.