> This page is for version v1 API.
> For other versions, use one of these documentation indexes:
> - v2 API (default): https://docs.cohere.com/v2/llms.txt
> - v1 API: https://docs.cohere.com/v1/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.cohere.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.cohere.com/_mcp/server.

# Release Notes June 28th 2023 (Changelog)

> The latest Command model update brings enhanced code, conversation, and reasoning, along with new API features and usage/billing improvements.

**Command Model Updated**\
The Command model has been updated. Expect improved code and conversational capabilities, as well as reasoning skills on various tasks.

**Co.rerank()**\
`co.rerank()`, a new API that sorts a list of text inputs by semantic relevance to a query. [Learn more here.](/reference/rerank-1)

**Streaming Now Part of Generate API**\
Token streaming is now supported via the Co.generate() api. [Learn more here](/reference/generate).

**Usage and Billing Table Improvements**\
The usage and billing table in the Cohere dashboard now has filtering and sorting capabilities. [See here.](https://dashboard.cohere.com/welcome/login?redirect_uri=%2Fbilling)