1Mistral Large 4
No. 1 — Mistral Large 4. On the lists of 7 of 8 AIs; median place there: 3. The AIs put it first because its cyber claim has the smallest gap to what independent tests measured, even though its other scores are weaker.
Did you know
Mistral 7B was released on 27 September 2023 as a BitTorrent magnet link, not a normal download page. Mixtral 8x7B (December 2023) and Mixtral 8x22B (April 2024) were also shared as torrent links on Twitter.
- What it is
- A large Mistral model that can be used for agents, with open weights promised.
- Its edge
- Its cyber claim of about 82% is the closest to independent results.
- Who it suits
- Suits security-minded teams that value honest claims; not those who need low cost or speed.
- Vals Index score#32 of 44 on Vals Index
Did you know
Mistral's first fundraise, in June 2023, was €105 million ($117 million). The Financial Times estimated the company's value at €240 million, and the company was only about two months old.
History
On October 6, 2026, Mistral opened a public preview of Mistral Large 4. It said the downloadable weights would follow by the end of October, after more safety work. The article says that safety step was not yet finished.
Keep in mind
It thinks a lot before it answers, so it uses many words. One test counted about 200M tokens versus a median of about 81M. First token took about 18.7 seconds on a long prompt.
It scored 38.4 on the Artificial Analysis Intelligence Index, behind Kimi K3 and Qwen 3.8 Max. Its hallucination rate was 41.9%. Cheaper models like DeepSeek V4.1 Flash score about the same for much less per task.
Where to go further
Open Mistral's Large 4 announcement and read the vendor benchmark list first, starting with the 82% cyber claim. The page says open weights were due by the end of the month, so check whether they are out.