StepFun's 196B MoE with a 256K contextAlternative to
Gemini 3.8 FlashOpen source alternatives to MiniMax M2.5
2 open source tools do the job of MiniMax M2.5. The most starred is Step-3.5-Flash, with 2k stars. Verified on GitHub. About MiniMax M2.5
MiniMax M2.5Free
Step-3.5-Flash2k stars · Apache 2.0GitHubAll 2 alternatives
Questions about alternatives to MiniMax M2.5
What is the best open source alternative to MiniMax M2.5?
By GitHub stars it is Step-3.5-Flash, with 2,091 stars and a commit on 3 Apr. StepFun's 196B MoE with a 256K context.
Is there a free alternative to MiniMax M2.5?
Yes. The code of all 2 is public under Apache 2.0 or MIT, so you can use them with no licence fee. Running one yourself costs the server and your time to look after it, and some makers also sell a hosted plan.
Which MiniMax M2.5 alternatives can I host on my own server?
All 2: Step-3.5-Flash and DeepSeek-V3.2. Each tool's page says what it needs to run.
Which ones are still being worked on?
0 of the 1 we track had a commit in the last 30 days. The quietest is Step-3.5-Flash, last changed on 3 Apr. A recent commit shows the project is kept up, not that it will stay that way.
What licences do they use?
Apache 2.0 (1), MIT (1). MIT, BSD and Apache let you change and reuse the code freely.
What do I lose by leaving MiniMax M2.5?
The hosting. MiniMax M2.5's maker runs the servers for you; with an open source tool the updates, backups, security fixes and support are yours, unless you take the maker's hosted plan. Features differ too, so check what each one imports and exports before you move your data.