Open-Source Alternatives to 
GPT-5.6 Sol
The best open-weight, self-hostable alternatives to GPT-5.6 Sol 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-5.6 Sol
GPT-5.6 Sol 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.
Kimi K3.1 Pro Open
8.1 pts ABOVE GPT-5.6 Sol on the Artificial Analysis intelligence index · 2.0× cheaper per million output tokens
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D...
Kimi K3.1 Pro vs GPT-5.6 Sol →XI MiMo-V2.6-Pro Open
Within 0.7 pts of GPT-5.6 Sol on the Artificial Analysis intelligence index · 23.0× cheaper per million output tokens
MiMo-V2.6-Pro is the flagship foundation model developed by Xiaomi. Built at a scale of over 1T parameters, it is designed to push the ceiling of capability for the most demanding...
MiMo-V2.6-Pro vs GPT-5.6 Sol →
Qwen3.8 Max (0902) Open
Within 1.6 pts of GPT-5.6 Sol on the Artificial Analysis intelligence index · 3.3× cheaper per million output tokens
Qwen3.8 Max 0902 is an updated snapshot of Qwen3.8 Max from Alibaba's Qwen team. It is a 2.4-trillion-parameter mixture-of-experts model that accepts text, image, and video input and returns text,...
Qwen3.8 Max (0902) vs GPT-5.6 Sol →
DeepSeek V4.1 Flash 1017 Open
Within 1.9 pts of GPT-5.6 Sol on the Artificial Analysis intelligence index · 33.3× cheaper per million output tokens
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
DeepSeek V4.1 Flash 1017 vs GPT-5.6 Sol →See the full open-source leaderboard
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