Alternatives

The Best CodeGen Alternatives in 2026

24 alternatives0 free · 16 open source

Looking for something like CodeGen? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 16 are open source.

About CodeGengithub.com/salesforce/CodeGen
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CodeGen provides open-source models for program synthesis and code generation.

PricingNot confirmed
Platforms—

Top picks at a glance

Quick comparison

#AlternativePricingOpen sourcePlatforms
1deepseek-ai/DeepSeek-Coder —Yes—
2Alpaca —Yes—
3Janus / Janus-Pro —Yes—
4Flan-T5 —Yes—
5mbzuai-oryx/MobiLlama —Yes—
6openai/point-e —Yes—
7DeepSeek-V3 —Yes—
8OpenVLA —Yes—
9GLM-6B (ChatGLM) —Yes—
10xTuring —Yes—
24 shown

All CodeGen alternatives

2

Alpaca

github.com/tatsu-lab/stanford_alpacaOpen source
Also covers ml research, open source, and python · same kind of open-source project

Code and documentation to train Stanford's Alpaca models, and generate the data.

4

Flan-T5

github.com/google-research/t5xOpen source
Also covers ml research, open source, and python · same kind of open-source project

This repository contains Google Research code for the Flan-T5 language model project.

8

OpenVLA

github.com/openvla/openvlaOpen source
Also covers ml research, open source, and python · same kind of open-source project

OpenVLA provides an open-source vision-language-action model for robotic manipulation tasks.

10

xTuring

github.com/stochasticai/xturingOpen source
Also covers ml research, open source, and python · same kind of open-source project

xTuring supports personalizing open source language models through preprocessing and fine tuning.

11

timm

github.com/huggingface/pytorch-image-modelsOpen source
Also covers ml research, open source, and python · same kind of open-source project

timm provides PyTorch image encoders and backbones along with training, evaluation, inference, and export scripts.

12

Deep Swe

github.com/datacurve-ai/deep-sweOpen source
Also covers ml research, open source, and python · same kind of open-source project

DeepSWE benchmarks coding agents on original, long-horizon software engineering tasks.

16

Qwen3

github.com/QwenLM/Qwen3
Also covers ml research, python, and research · same kind of open-source project

The Qwen3 model series was developed by the Qwen team at Alibaba Cloud.

17

Alibi

github.com/SeldonIO/alibi
Also covers ml research, python, and research · same kind of open-source project

Alibi explains machine learning model predictions through a set of algorithms.

18

WizardLM

github.com/nlpxucan/WizardLM
Also covers ml research, python, and research · same kind of open-source project

WizardLM collects language models developed with Evol-Instruct, including WizardCoder and WizardMath.

21

wTAO

bittensor.com
Also covers ml research, python, and research

Bittensor is an open machine intelligence network where subnets produce digital commodities such as compute and inference, with contributors earning TAO.

23

GLM-5.1

github.com/zai-org/GLM-5Open source
Also covers ml research, open source, and research · same kind of open-source project

The GLM-5 repository presents language models for agentic engineering and coding.

No alternatives match this filter.

Alternatives to similar tools

All alternatives
What is the best alternative to CodeGen?
Based on features, tags and platforms, the closest alternatives to CodeGen are deepseek-ai/DeepSeek-Coder, Alpaca, and Janus / Janus-Pro.
Are there open-source alternatives to CodeGen?
Yes: deepseek-ai/DeepSeek-Coder, Alpaca, Janus / Janus-Pro, and Flan-T5.

Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative