---
title: "nextjs-openai-doc-search vs deep-research"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/supabase-community-nextjs-openai-doc-search-vs-u14app-deep-research"
tools: ["supabase-community-nextjs-openai-doc-search", "u14app-deep-research"]
---

# nextjs-openai-doc-search vs deep-research

*GraphCanon updated Aug 23, 2026*

## Verdict

Pick nextjs-openai-doc-search if nextjs-openai-doc-search utilizes a stack consisting of Next.js, OpenAI API, and Supabase to build customized document search solutions similar to ChatGPT; pick deep-research if deep Research is a JavaScript-based framework enabling integration of various Large Language Models for deep research projects using SSE and MCP.

[nextjs-openai-doc-search](https://supabase.com/blog/chatgpt-supabase-docs) reports 1.7k GitHub stars, 315 forks, and 12 open issues, last pushed May 12, 2026. [deep-research](https://research.u14.app) has 4.7k stars, 1.1k forks, and 36 open issues, last pushed Jun 18, 2026. Figures are from public GitHub metadata via [nextjs-openai-doc-search's repository](https://github.com/supabase-community/nextjs-openai-doc-search) and [deep-research's repository](https://github.com/u14app/deep-research).

| | [nextjs-openai-doc-search](/tools/supabase-community-nextjs-openai-doc-search.md) | [deep-research](/tools/u14app-deep-research.md) |
| --- | --- | --- |
| Tagline | Template for building your own custom ChatGPT style doc search | Use any LLMs for Deep Research with SSE API and MCP server |
| Stars | 1,732 | 4,686 |
| Forks | 315 | 1,068 |
| Open issues | 12 | 36 |
| Language | TypeScript | JavaScript |
| Adopt for | nextjs-openai-doc-search utilizes a stack consisting of Next.js, OpenAI API, and Supabase to build customized document search solutions similar to ChatGPT. | Deep Research is a JavaScript-based framework enabling integration of various Large Language Models for deep research projects using SSE and MCP. |
| Persona | - | - |
| Runtime | - | - |
| License | Apache-2.0 | MIT |
| Categories | Data & Retrieval, Inference & Serving | Inference & Serving, LLM Frameworks |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [nextjs-openai-doc-search](/tools/supabase-community-nextjs-openai-doc-search.md) | [deep-research](/tools/u14app-deep-research.md) |
| --- | --- | --- |
| Maintenance | Slowing (36%) | Steady (60%) |
| Days since push | 102d | 56d |
| Open issues (now) | 12 | 36 |
| Stars delta | +3 (30d) | Unknown |
| Open issues delta | 0 (30d) | Unknown |
| Full report | [trust report](/tools/supabase-community-nextjs-openai-doc-search/trust.md) | [trust report](/tools/u14app-deep-research/trust.md) |

## Decision facts: nextjs-openai-doc-search

- **Requirements:** Min 2 GB RAM; An active subscription to the OpenAI API might be necessary depending on usage volume.; Supabase account for database needs if you're using their service directly.
- **Adopt for:** nextjs-openai-doc-search utilizes a stack consisting of Next.js, OpenAI API, and Supabase to build customized document search solutions similar to ChatGPT.

## Decision facts: deep-research

- **Adopt for:** Deep Research is a JavaScript-based framework enabling integration of various Large Language Models for deep research projects using SSE and MCP.

## Choose when

### Choose nextjs-openai-doc-search if…

- nextjs-openai-doc-search is primarily TypeScript; deep-research is JavaScript.
- License: nextjs-openai-doc-search is Apache-2.0, deep-research is MIT.
- Requirements: Min 2 GB RAM; An active subscription to the OpenAI API might be necessary depending on usage volume.; Supabase account for database needs if you're using their service directly..
- Tags unique to nextjs-openai-doc-search: ai, chatgpt, nextjs, postgres.
- Also covers Data & Retrieval.
- - When you want a template solution that integrates with Next.js for building modern web applications.

### Choose deep-research if…

- deep-research is primarily JavaScript; nextjs-openai-doc-search is TypeScript.
- License: deep-research is MIT, nextjs-openai-doc-search is Apache-2.0.
- Tags unique to deep-research: anthropic, deep-research-api, gemini, grok.
- Also covers LLM Frameworks.
- deep-research ships Docker support for self-hosted deployment.
- - When requiring an API interface that supports Server-Sent Events (SSE) and Model Control Protocol (MCP) for integrating large language models

## When NOT to use nextjs-openai-doc-search

- - Avoid if you are not utilizing or wish to avoid integrating Next.js as part of your application stack since this tool relies heavily on it.
- - Not suitable for projects where alternative AI or database solutions (not from OpenAI and Supabase) are preferred or required.

## When NOT to use deep-research

- - When working with environments that do not support JavaScript, as Deep Research is primarily built on this language
- - For projects that require real-time bidirectional communication with models, as Deep Research might only provide unidirectional data flow through SSE

## Common questions

### What is the difference between nextjs-openai-doc-search and deep-research?

nextjs-openai-doc-search: Template for building your own custom ChatGPT style doc search. deep-research: Use any LLMs for Deep Research with SSE API and MCP server. See the comparison table for live GitHub stats and shared categories.

### When should I choose nextjs-openai-doc-search over deep-research?

Choose nextjs-openai-doc-search over deep-research when nextjs-openai-doc-search is primarily TypeScript; deep-research is JavaScript; License: nextjs-openai-doc-search is Apache-2.0, deep-research is MIT; Requirements: Min 2 GB RAM; An active subscription to the OpenAI API might be necessary depending on usage volume.; Supabase account for database needs if you're using their service directly.; Tags unique to nextjs-openai-doc-search: ai, chatgpt, nextjs, postgres; Also covers Data & Retrieval; - When you want a template solution that integrates with Next.js for building modern web applications.

### When should I choose deep-research over nextjs-openai-doc-search?

Choose deep-research over nextjs-openai-doc-search when deep-research is primarily JavaScript; nextjs-openai-doc-search is TypeScript; License: deep-research is MIT, nextjs-openai-doc-search is Apache-2.0; Tags unique to deep-research: anthropic, deep-research-api, gemini, grok; Also covers LLM Frameworks; deep-research ships Docker support for self-hosted deployment; - When requiring an API interface that supports Server-Sent Events (SSE) and Model Control Protocol (MCP) for integrating large language models.

### When should I avoid nextjs-openai-doc-search?

- Avoid if you are not utilizing or wish to avoid integrating Next.js as part of your application stack since this tool relies heavily on it. - Not suitable for projects where alternative AI or database solutions (not from OpenAI and Supabase) are preferred or required.

### When should I avoid deep-research?

- When working with environments that do not support JavaScript, as Deep Research is primarily built on this language - For projects that require real-time bidirectional communication with models, as Deep Research might only provide unidirectional data flow through SSE

### Is nextjs-openai-doc-search or deep-research more popular on GitHub?

deep-research has more GitHub stars (4,686 vs 1,732). Stars measure visibility, not whether either tool fits your constraints.

### Are nextjs-openai-doc-search and deep-research open source?

Yes - both are open-source projects on GitHub (nextjs-openai-doc-search: Apache-2.0, deep-research: MIT).

### Where can I find alternatives to nextjs-openai-doc-search or deep-research?

GraphCanon lists graph-backed alternatives at [nextjs-openai-doc-search alternatives](/tools/supabase-community-nextjs-openai-doc-search/alternatives) and [deep-research alternatives](/tools/u14app-deep-research/alternatives) ([nextjs-openai-doc-search markdown twin](/tools/supabase-community-nextjs-openai-doc-search/alternatives.md), [deep-research markdown twin](/tools/u14app-deep-research/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/supabase-community-nextjs-openai-doc-search-vs-u14app-deep-research.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, nextjs-openai-doc-search or deep-research?

nextjs-openai-doc-search: Slowing. deep-research: Steady. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for nextjs-openai-doc-search and deep-research?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [nextjs-openai-doc-search trust report](/tools/supabase-community-nextjs-openai-doc-search/trust); [deep-research trust report](/tools/u14app-deep-research/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=supabase-community-nextjs-openai-doc-search`](/api/graphcanon/graph?tool=supabase-community-nextjs-openai-doc-search)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_
