Open-Source Alternatives to 
GPT-6 Luna (batch)
The best open-weight, self-hostable alternatives to GPT-6 Luna (batch) in 2026 — compared on price, context window and capabilities. Run them locally and cut API costs.
Refreshed from live data · olud.ai
The best open-weight alternatives to GPT-6 Luna (batch)
GPT-6 Luna (batch) is a proprietary, API-only model. These open-weight models can be self-hosted, run offline and used at a fraction of the cost — here's how the top ones stack up.
MiniMax M3.1 Flash (free) Open
4.6 pts ABOVE GPT-6 Luna (batch) on the Artificial Analysis intelligence index
MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity. It is built for complex,...
MiniMax M3.1 Flash (free) vs GPT-6 Luna (batch) →See the full open-source leaderboard
Live ranking of open-weight models with pricing, context windows and capabilities.
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