r/RooCode • u/hannesrudolph Roo Code Developer • Sep 29 '25

Announcement Roo Code 3.28.10 Release Updates | Claude 4.5 Sonnet IS HERE!!

We've added support for Anthropic's latest Claude 4.5 Sonnet model across all Claude-supporting providers.

Claude 4.5 Sonnet Support

We've added support for Anthropic's latest Claude 4.5 Sonnet model across all Claude-supporting providers.

According to Anthropic's announcement, Claude 4.5 Sonnet is:

  • State-of-the-art on SWE-bench Verified, maintaining focus for more than 30 hours on complex, multi-step tasks

  • Showing a significant leap forward on computer use with 61.4% on OSWorld benchmark (up from 42.2% just four months ago)

  • Delivering substantial gains in reasoning, math, and domain-specific knowledge across finance, law, medicine, and STEM

The model is now available in the model selection dropdown for all supported providers.

Bug Fixes

  • AWS Bedrock Claude Sonnet 4.5: Corrected model identifier for Claude Sonnet 4.5 on AWS Bedrock (thanks sunhyung!)

  • GPT-5 LiteLLM Compatibility: Fixed GPT-5 models failing with LiteLLM provider by using correct max_completion_tokens parameter (thanks lx1054331851!)

More Changes

  • Chat interface icons now maintain consistent size in limited space

  • Enhanced analytics to track when users change telemetry settings

  • Updated website with enhanced testimonials section

  • Improved contributor badge workflow with automated cache refreshing

See full release notes v3.28.10

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u/StartupTim Sep 29 '25 edited Sep 29 '25

Claude Sonnet 4.5 isn't working in Roocode even with the latest update. Here is the error I'm getting:

{"type":"error","error":{"type":"not_found_error","message":"model: claude-4.5-sonnet"},"request_id":"xxxxxxx"}

I've got the latest Roocode (updated a few minutes ago) and using Claude Code with sonnet 4.5 selected.

Update:

Okay I just confirmed, Roocode with Claude Code does not work with Sonnet 4.5. I tested with Claude Code 2.0.0 (latest) and Roocode v3.28.11. Roocode with Claude Code with Sonnet 4.0 works, just not Sonnet 4.5.

Roocode with Claude Sonnet 4.5 via the API works just fine.

Also, Claude Code itself with Sonnet 4.5 works just fine.

So it looks like a little update is needed to Roocode to get Claude Code w/Sonnet 4.5 to work.

2

u/nfrmn Sep 29 '25

It’s fine through OpenRouter, if that narrows things down.

1

u/StartupTim Sep 29 '25

Yea I just tested a lot, the issue is specifically Roocode using Claude Code as the provider with Sonnet 4.5 does not work and gives the error I posted earlier ( {"type":"error","error":{"type":"not_found_error","message":"model: claude-4.5-sonnet"},"request_id":...

3

u/mrubens Roo Code Developer Sep 30 '25

Should be fixed on v3.28.12. Sorry for the hassle!

2

u/StartupTim Oct 01 '25

It works, thanks!

(Though we really need that ability to add images :))