AWS Bedrock compatibility issue with tools.3.custom.input_examples in v2.0.46

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

While using Claude code using LiteLLM model using AWS Bedrock, I'm getting this error:

╭─── Claude Code v2.0.46 ──────────────────────────────────────────────────────╮
│ │ Recent activity │
│ Welcome back! │ 9m ago hy │
│ │ /resume for more │
│ ▗ ▗ ▖ ▖ │ ─────────────────────── │
│ │ What's new │
│ ▘▘ ▝▝ │ Fixed image files bein… │
│ │ Add support for Azure … │
│ us.anthropic.claude-sonnet-4-… · API Usage Billing │ Added `PermissionReque… │
│ /Users/himmat.kumar │ /release-notes for more │
╰──────────────────────────────────────────────────────────────────────────────╯

hello

⎿ API Error: 400 {"error":{"message":"{\"message\":\"tools.3.custom.input_examples: Extra inputs are not permitted\"}.
Received Model Group=us.anthropic.claude-sonnet-4-5-20250929-v1:0\nAvailable Model Group
Fallbacks=None","type":"None","param":"None","code":"400"}}

What Should Happen?

Claude should respond without any error

Error Messages/Logs

╭─── Claude Code v2.0.46 ──────────────────────────────────────────────────────╮
│                                                    │ Recent activity         │
│                    Welcome back!                   │ 9m ago  hy              │
│                                                    │ /resume for more        │
│                      ▗ ▗   ▖ ▖                     │ ─────────────────────── │
│                                                    │ What's new              │
│                        ▘▘ ▝▝                       │ Fixed image files bein… │
│                                                    │ Add support for Azure … │
│ us.anthropic.claude-sonnet-4-… · API Usage Billing │ Added `PermissionReque… │
│                /Users/himmat.kumar                 │ /release-notes for more │
╰──────────────────────────────────────────────────────────────────────────────╯

> hello 
  ⎿ API Error: 400 {"error":{"message":"{\"message\":\"tools.3.custom.input_examples: Extra inputs are not permitted\"}. 
    Received Model Group=us.anthropic.claude-sonnet-4-5-20250929-v1:0\nAvailable Model Group 
    Fallbacks=None","type":"None","param":"None","code":"400"}}

Steps to Reproduce

Open Terminal
Type Claude
Type anything and error was thrown.

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.0.46

Platform

AWS Bedrock

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_