> ## Documentation Index
> Fetch the complete documentation index at: https://docs.octen.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> This page documents all product updates, new features, bug fixes, and deprecation notices.

## April 2026

### Deep Research — Autonomous Multi-Step Research Agent

**Date: April 21, 2026**

Introducing **Deep Research**, a new showcase that autonomously plans, explores, and synthesizes information across the web to produce in-depth, well-cited research reports on complex topics.

**Highlights**

| **Feature**                | **Description**                                                                                |
| :------------------------- | :--------------------------------------------------------------------------------------------- |
| **Autonomous Planning**    | Breaks down complex topics into structured research plans and iterates as new evidence emerges |
| **Multi-Step Exploration** | Performs successive rounds of search and reading to build comprehensive coverage               |
| **Cited Reports**          | Delivers long-form answers with inline citations linking back to original sources              |

**Try It Now**

* Start using [Deep Research](https://octen.ai/platform/deep-research)
* Available to all registered users

***

### Broad Search — Rebuilding search for LLMs

**Date: April 2, 2026**

Introducing **Broad Search**, a new showcase that automatically decomposes complex questions into multiple sub-queries, searches them concurrently, and synthesizes a comprehensive answer.

**Highlights**

| **Feature**             | **Description**                                                       |
| :---------------------- | :-------------------------------------------------------------------- |
| **Query Decomposition** | Automatically rewrites messages into multiple targeted sub-queries    |
| **Concurrent Search**   | Executes all sub-queries concurrently for comprehensive coverage      |
| **Flexible Modes**      | Choose from `queries_only`, `queries_and_search`, or `full` synthesis |

**Try It Now**

* Start using[Broad Search](https://octen.ai/platform/broad-search)
* Available to all registered users

***

## March 2026

### Web Chat — Grounded Answers Powered by Octen Web Search

**Date: March 20, 2026**

Introducing **Web Chat**, a new showcase that combines real-time web search with large language models to deliver grounded, reliable answers.

**Highlights**

| **Feature**           | **Description**                                           |
| :-------------------- | :-------------------------------------------------------- |
| **Grounded Answers**  | LLM-generated responses backed by web search results      |
| **Source Citations**  | Original reference links are included in every response   |
| **Model Flexibility** | Choose from a variety of the latest large language models |

**Try It Now**

* Start using [Web Chat](https://octen.ai/platform/web-chat)
* Available to all registered users

***

### Octen Public Beta — Open to All Users

**Date: March 15, 2026**

Octen is now open to **everyone**! We've moved from invite-only to a full public beta.

**What's New**

| **Change**            | **Details**                                                                     |
| :-------------------- | :------------------------------------------------------------------------------ |
| **Open Registration** | Anyone can sign up directly on our website and start using the APIs immediately |
| **Welcome Credit**    | Every new user receives a **¥5 free balance** upon registration                 |

**Getting Started**

* Head to [octen.ai](https://octen.ai) to create your account

***

## February 2026

### Octen Beta Now Open

**Date: February 10, 2026**

We're thrilled to announce the launch of **Octen Beta**! Starting today, selected developers can access our powerful AI infrastructure APIs.

**What's Included**

| **API**       | **Description**                                                 | **Status** |
| :------------ | :-------------------------------------------------------------- | :--------- |
| **Search**    | Real-time web search optimized for LLMs and agents              | Beta       |
| **Embedding** | High-performance text embedding API for semantic search and RAG | Beta       |

**Getting Started**

Join our waitlists to get early access:

* Email [support@octen.ai](mailto:support@octen.ai) to apply
* We're reviewing applications on a rolling basis