Life & fun · alternatives · 2026

24 alternatives to Muse Spark Open

The most capable US open weights model to date

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

1
Lloyal▲109
Turn open-weight models into AI apps people can download
21d ago · lloyal.ai · its alternatives →
2
Muse Spark 1.1 by Meta AI▲127
Multimodal reasoning model built for agentic tasks
Jul 2026 · ai.meta.com · its alternatives →
3
Inkling▲181
Open weights 975B multimodal model built for fine-tuning
Jul 2026 · thinkingmachines.ai · its alternatives →
4
Mistral Large 4▲189
Mistral's 1T parameter open weight frontier model
15d ago · its alternatives →
5
Muse Gadgets▲185
Meta's open-source kit for building your own AI gadgets
19d ago · gadgets.muse.ai · its alternatives →
6
OpenAI Open Models▲480
gpt-oss-120b and gpt-oss-20b open-weight language models
2025 · openai.com · its alternatives →
7
Muse▲229
Your personal AI agent that gets things done
Sep 2026 · auth.muse.ai · its alternatives →
8
GPT‑5.3‑Codex‑Spark▲277
An ultra-fast model for real-time coding in Codex
Feb 2026 · openai.com · its alternatives →
9
OpenAI Gym▲147
Open source interface to reinforcement learning tasks
2016 · its alternatives →
10
Bolt Forgefree tier, from $25/mo▲249
Bolt's new agent with open-source models and 50X usage
Sep 2026 · bolt.new · its alternatives →
11
MUSE by AKA▲79
Deep learning based A.I.
2015 · akaintelligence.com · its alternatives →
12
Universal Recommender▲75
Open source recommendation engine on Spark + Elasticsearch
2015 · templates.prediction.io · its alternatives →
13
TensorFlow 1.0▲80
Open-source machine learning library by Google
2018 · tensorflow.org · its alternatives →
14
Beam▲136
Highly efficient agentic 501B parameter open model
16d ago · reflection.ai · its alternatives →
15
Spark-Metrics – A library to expose Apache Spark's metrics system▲7
2016 · github.com · its alternatives →
16
Sessions▲65
Real-time music and visuals using US Open tennis data
2014 · its alternatives →
17
Y Combinator Startups▲159
An Interactive Database
2014 · its alternatives →
18
Sourclip 2.0▲99
The research workspace built around Gemini Notebook
Aug 2026 · sourclip.com · its alternatives →
19
Talking Machines: OpenAI and Gaussian Processes▲56
Featuring Ilya Sutskever, director of research for OpenAI
2016 · thetalkingmachines.com · its alternatives →
20
Train with Pasta▲128
A personal trainer powered by Apple Intelligence
8d ago · pppasta.com · its alternatives →
21
OpenScience▲75
The open-source AI workbench for scientific research
25d ago · openscience.sh · its alternatives →
22
Step 5 Preview▲79
600B open weights, trained for long-running agents
5d ago · stepfun.com · its alternatives →
23
Krea 3▲82
Krea's AI image model: 2K edits in under 8 seconds
6d ago · its alternatives →
24
We beat Gemini Embedding 2 by training only 16M params (open weights)▲7
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
Jul 2026 · huggingface.co · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →