The Enterprise AI Briefing · Index updated 19 OCT 2026

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Frontier Models

LLM · Mistral

Mistral Large 4

Mistral's changelog dated 6 October 2026 says Mistral Large 4 is in public preview, that open weights are coming soon, and that launch pricing is 50% off for 2 weeks. The changelog does not name the calendar day the discount ends, so the two weeks run to about 20 October 2026. The model page, dated the same day, lists 52B active and 1.05T total parameters and a 1M context. The pricing page lists an original price of $1.36 input and $4.18 output per 1M tokens, and a sale price of $0.68 and $2.09. The stored figures are the original list price. The changelog does not name a license grant.

Checked 19 Oct 2026https://docs.mistral.ai/resources/changelogs