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Mixtral 8x22B Instruct alternatives

Match · Updated July 2026

The closest alternative to Mixtral 8x22B Instruct is Reka Flash 3 — comparable intelligence (4.1 vs 4.4); for a cheaper option, GPT-5.6 Terra runs $1.00/M vs $2.00/M; and the best open-weight substitute is Kimi K3.

Frequently asked

What is the best alternative to Mixtral 8x22B Instruct?

Reka Flash 3 is the closest alternative to Mixtral 8x22B Instruct, with an Intelligence Index of 4.1 (Mixtral 8x22B Instruct scores 4.4) at $0.100 per million input tokens.

Is there a cheaper alternative to Mixtral 8x22B Instruct?

Yes — GPT-5.6 Terra costs $1.00 per million input tokens versus $2.00 for Mixtral 8x22B Instruct, while staying within ~8 points of its Intelligence Index.

Is there an open-source alternative to Mixtral 8x22B Instruct?

Kimi K3 is the strongest open-weight alternative to Mixtral 8x22B Instruct — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.