---
title: "NExT-GPT vs GPTRouter"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/next-gpt-next-gpt-vs-writesonic-gptrouter"
tools: ["next-gpt-next-gpt", "writesonic-gptrouter"]
---

# NExT-GPT vs GPTRouter

*GraphCanon updated Sep 20, 2026*

## Verdict

Pick NExT-GPT if nExT-GPT is focused on multimodal capabilities and instruction tuning for a large language model, targeting researchers and developers interested in multimodal applications; pick GPTRouter if gPTRouter is notable for TypeScript and handles multiple LLMs and image models like OpenAI, Anthropic, Azure, Dall-E, SDXL with improved reliability and speed.

[NExT-GPT](https://next-gpt.github.io/) reports 3.6k GitHub stars, 359 forks, and 81 open issues, last pushed May 13, 2025. [GPTRouter](https://gpt-router.writesonic.com/) has 456 stars, 38 forks, and 10 open issues, last pushed Apr 10, 2024. Figures are from public GitHub metadata via [NExT-GPT's repository](https://github.com/NExT-GPT/NExT-GPT) and [GPTRouter's repository](https://github.com/Writesonic/GPTRouter).

| | [NExT-GPT](/tools/next-gpt-next-gpt.md) | [GPTRouter](/tools/writesonic-gptrouter.md) |
| --- | --- | --- |
| Tagline | Code and models for ICML 2024 paper on multimodal large language model | Manage multiple LLMs and image models for reliable and fast responses |
| Stars | 3,637 | 456 |
| Forks | 359 | 38 |
| Open issues | 81 | 10 |
| Language | Python | TypeScript |
| Adopt for | NExT-GPT is focused on multimodal capabilities and instruction tuning for a large language model, targeting researchers and developers interested in multimodal applications. | GPTRouter is notable for TypeScript and handles multiple LLMs and image models like OpenAI, Anthropic, Azure, Dall-E, SDXL with improved reliability and speed. |
| Persona | - | - |
| Runtime | - | - |
| License | BSD-3-Clause | The MIT license applies to GPTRouter, offering permissive use with conditions only requiring preservation of copyright and license notices. |
| Categories | LLM Frameworks, Model Training | Inference & Serving, LLM Frameworks, Model Training |

## Trust and health

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

| | [NExT-GPT](/tools/next-gpt-next-gpt.md) | [GPTRouter](/tools/writesonic-gptrouter.md) |
| --- | --- | --- |
| Days since push | 461d | 892d |
| Open issues (now) | 81 | 10 |
| Stars delta | -1 (30d) | +1 (30d) |
| Owner type | User | Organization |
| Full report | [trust report](/tools/next-gpt-next-gpt/trust.md) | [trust report](/tools/writesonic-gptrouter/trust.md) |

## Decision facts: NExT-GPT

- **Pricing:** freemium - NExT-GPT is open-source under BSD-3-Clause license, indicating a free but restricted-for-commercial-use model without associated direct monetary cost.
- **Requirements:** Min 8 GB RAM; - The repository notes that the code and models are intended for non-commercial use only and must not be used in any illegal or harmful contexts.; - Potential commercial users should seek approval from the authors, making it unsuitable without prior authorization if commercial application is considered.
- **Adopt for:** NExT-GPT is focused on multimodal capabilities and instruction tuning for a large language model, targeting researchers and developers interested in multimodal applications.

## Decision facts: GPTRouter

- **Pricing:** freemium - GPTRouter is open-source under the MIT License. However, costs might arise from using associated models like OpenAI or Anthropic.
- **Requirements:** Min 2 GB RAM
- **Adopt for:** GPTRouter is notable for TypeScript and handles multiple LLMs and image models like OpenAI, Anthropic, Azure, Dall-E, SDXL with improved reliability and speed.
- **License detail:** The MIT license applies to GPTRouter, offering permissive use with conditions only requiring preservation of copyright and license notices.

## Choose when

### Choose NExT-GPT if…

- NExT-GPT is primarily Python; GPTRouter is TypeScript.
- License: NExT-GPT is BSD-3-Clause, GPTRouter is MIT.
- Pricing: NExT-GPT is open-source under BSD-3-Clause license, indicating a free but restricted-for-commercial-use model without associated direct monetary cost..
- Requirements: Min 8 GB RAM; - The repository notes that the code and models are intended for non-commercial use only and must not be used in any illegal or harmful contexts.; - Potential commercial users should seek approval from the authors, making it unsuitable without prior authorization if commercial application is considered..
- Tags unique to NExT-GPT: chatgpt, foundation models, instruction-tuning, large-language-models.
- - If you are conducting research specifically centered around multimodal interactions (combining text with visual elements) aligning with the scope of NExT-GPT.

### Choose GPTRouter if…

- GPTRouter is primarily TypeScript; NExT-GPT is Python.
- License: GPTRouter is MIT, NExT-GPT is BSD-3-Clause.
- Pricing: GPTRouter is open-source under the MIT License. However, costs might arise from using associated models like OpenAI or Anthropic..
- Requirements: Min 2 GB RAM.
- Tags unique to GPTRouter: anthropic, azure-openai, cohere, google-gemini.
- Also covers Inference & Serving.
- GPTRouter ships Docker support for self-hosted deployment.
- When your project requires seamless integration of different language models such as OpenAI, Anthropic, and Azure and demands reliability and fast response times.

## When NOT to use NExT-GPT

- - When your project necessitates a production-ready solution, as NExT-GPT is positioned purely for research and non-commercial use.
- - If your application requires the model to be used in contexts like illegal, harmful, violent, racist, or sexual purposes, since its usage guidelines explicitly prohibit such applications.

## When NOT to use GPTRouter

- Avoid using GPTRouter if your project strictly uses Python without the flexibility to adopt TypeScript, as it may hinder seamless integration.
- If your application exclusively focuses on a single LLM or image model provider lacking the need for managing multiple providers, consider alternatives more focused in scope and potentially lighter.

## Common questions

### What is the difference between NExT-GPT and GPTRouter?

NExT-GPT: Code and models for ICML 2024 paper on multimodal large language model. GPTRouter: Manage multiple LLMs and image models for reliable and fast responses. See the comparison table for live GitHub stats and shared categories.

### When should I choose NExT-GPT over GPTRouter?

Choose NExT-GPT over GPTRouter when NExT-GPT is primarily Python; GPTRouter is TypeScript; License: NExT-GPT is BSD-3-Clause, GPTRouter is MIT; Pricing: NExT-GPT is open-source under BSD-3-Clause license, indicating a free but restricted-for-commercial-use model without associated direct monetary cost.; Requirements: Min 8 GB RAM; - The repository notes that the code and models are intended for non-commercial use only and must not be used in any illegal or harmful contexts.; - Potential commercial users should seek approval from the authors, making it unsuitable without prior authorization if commercial application is considered.; Tags unique to NExT-GPT: chatgpt, foundation models, instruction-tuning, large-language-models; - If you are conducting research specifically centered around multimodal interactions (combining text with visual elements) aligning with the scope of NExT-GPT.

### When should I choose GPTRouter over NExT-GPT?

Choose GPTRouter over NExT-GPT when GPTRouter is primarily TypeScript; NExT-GPT is Python; License: GPTRouter is MIT, NExT-GPT is BSD-3-Clause; Pricing: GPTRouter is open-source under the MIT License. However, costs might arise from using associated models like OpenAI or Anthropic.; Requirements: Min 2 GB RAM; Tags unique to GPTRouter: anthropic, azure-openai, cohere, google-gemini; Also covers Inference & Serving; GPTRouter ships Docker support for self-hosted deployment; When your project requires seamless integration of different language models such as OpenAI, Anthropic, and Azure and demands reliability and fast response times.

### When should I avoid NExT-GPT?

- When your project necessitates a production-ready solution, as NExT-GPT is positioned purely for research and non-commercial use. - If your application requires the model to be used in contexts like illegal, harmful, violent, racist, or sexual purposes, since its usage guidelines explicitly prohibit such applications.

### When should I avoid GPTRouter?

Avoid using GPTRouter if your project strictly uses Python without the flexibility to adopt TypeScript, as it may hinder seamless integration. If your application exclusively focuses on a single LLM or image model provider lacking the need for managing multiple providers, consider alternatives more focused in scope and potentially lighter.

### Is NExT-GPT or GPTRouter more popular on GitHub?

NExT-GPT has more GitHub stars (3,637 vs 456). Stars measure visibility, not whether either tool fits your constraints.

### Are NExT-GPT and GPTRouter open source?

Yes - both are open-source projects on GitHub (NExT-GPT: BSD-3-Clause, GPTRouter: MIT).

### Where can I find alternatives to NExT-GPT or GPTRouter?

GraphCanon lists graph-backed alternatives at [NExT-GPT alternatives](/tools/next-gpt-next-gpt/alternatives) and [GPTRouter alternatives](/tools/writesonic-gptrouter/alternatives) ([NExT-GPT markdown twin](/tools/next-gpt-next-gpt/alternatives.md), [GPTRouter markdown twin](/tools/writesonic-gptrouter/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/next-gpt-next-gpt-vs-writesonic-gptrouter.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, NExT-GPT or GPTRouter?

NExT-GPT: Dormant. GPTRouter: Dormant. 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 NExT-GPT and GPTRouter?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [NExT-GPT trust report](/tools/next-gpt-next-gpt/trust); [GPTRouter trust report](/tools/writesonic-gptrouter/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=next-gpt-next-gpt`](/api/graphcanon/graph?tool=next-gpt-next-gpt)
- 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/_
