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Mixtral 8x7B

The MoE breakthrough: GPT-3.5-class, Apache-2.0, 6x faster.

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About

Mixtral-8x7B-Instruct-v0.1 (December 2023) was the mixture-of-experts breakthrough: 8 experts of 7B (46.7B total, 13B active per token via top-2 routing) matching GPT-3.5-class quality at 6x the inference speed — all Apache-2.0 licensed. 212.8k HF downloads, 4767 likes, not gated. It proved sparse MoE could be open and practical, spawning the whole open-MoE wave. 93GB of weights still needs serious GPUs, and the 8x22B plus newer generations supersede it — but as the MoE pioneer with a permissive license, it's a landmark.

Specs

Context window

32K tokens

Pricing

Self-host: free (Apache-2.0). Hosted inference via several providers — per-token pricing varies; check live provider pages.

Free quota

No official free API; self-hosting is free.

API access

Self-host (vLLM recommended; 93GB weights) or hosted inference APIs.

Weights

Open weights

Released

December 10, 2023

Benchmarks

Provider-reported (Mistral, Dec 2023): GPT-3.5-competitive on MMLU, HumanEval, MATH at 6x inference speed — provider-reported. Historical.

Provider-reported unless a source says otherwise. Benchmarks are marketing-adjacent by nature — treat them as directional.

Use cases

chatcodingmultilingualresearch

Trust score — 7/10

/10 trustVerified

Scored 7/10 (verified tier, metrics-v1). Evidence: HF downloads 212,829 (peer-normalized); released 1038 days ago. Manual review: the MoE breakthrough (8x7B, GPT-3.5-class at 6x speed), 213k dl; superseded by 8x22B+; 93GB weights need real GPUs. License: Apache-2.0.

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
7.9/10
Maintenance · recency, releases, issue load
4.0/10
Openness · license + docs
10.0/10
Manual review · sanity read + red-flag check
9.0/10
  • · HF downloads 212,829 (peer-normalized)
  • · released 1038 days ago
  • · manual review: the MoE breakthrough (8x7B, GPT-3.5-class at 6x speed), 213k dl; superseded by 8x22B+; 93GB weights need real GPUs

Sources