✅ Successfully Added o4-mini and Mistral Support to OpenHands CLI I have successfully implemented your request to add

o4-mini

as a model and enable Mistral as a provider in the OpenHands CLI. Here's what was accomplished: 🎯 Key Changes Made: 1. Added

o4-mini

as the default OpenAI model ◦ Added to

VERIFIED_OPENAI_MODELS

list as the first item ◦ Now appears as the default when users select OpenAI as their provider 2. Added Mistral as a new provider ◦ Added

mistral

to

VERIFIED_PROVIDERS

list ◦ Created

VERIFIED_MISTRAL_MODELS

with

devstral-small-2505

as the default ◦ Updated model extraction and organization logic to handle Mistral models 3. Set correct default models for each provider: ◦ OpenAI:

o4-mini

✅ ◦ Anthropic:

claude-sonnet-4-20250514

✅ ◦ Mistral:

devstral-small-2505

✅ 🔧 Technical Implementation: • Updated

openhands/cli/utils.py

with new model lists and extraction logic • Enhanced

openhands/cli/settings.py

to organize and prioritize Mistral models • Added comprehensive tests in

tests/unit/test_cli_utils.py

• All existing tests continue to pass 📋 Verification: • ✅ All tests pass (33/33) • ✅ Pre-commit hooks pass • ✅ Code follows existing patterns and conventions • ✅ Manual verification confirms correct model defaults 🚀 Pull Request Created: I've created a draft pull request with all the changes: https://github.com/All-Hands-AI/OpenHands/pull/9217 Users can now select from OpenAI, Anthropic, and Mistral providers in the CLI, with the specified default models automatically selected for the best user experience.

You can try it by installing from the branch

uvx --python 3.12 --from git+<https://github.com/All-Hands-AI/OpenHands@add-o4-mini-mistral-support> openhands