mistral model api support

[shubhamaidetic]

Description

Corresponding documentation PR

Types of change

Checklist

• [x] I confirm that I have the right to submit this contribution under the project's MIT license.
• [ ] I ran all tests in tests and usage_examples/tests, and all new and existing tests passed. This includes
  • all external tests (i. e. pytest ran with --external)
  • all tests requiring a GPU (i. e. pytest ran with --gpu)
• [ ] My changes don't require a change to the documentation, or if they do, I've added all required information.