Mistral Medium 3.5 and Large 3 deprecated, retiring April 30, 2027
Both retire on April 30, 2027. Mistral names Large 4 as the replacement.
Mistral marked Mistral Medium 3.5 and Mistral Large 3 as deprecated on October 31, 2026, according to the deprecated models table on its models overview page. Both retire on April 30, 2027, and Mistral lists Mistral Large 4 as the alternative for each.
What changed
mistral-medium-3-5(Mistral Medium 3.5, version 26.04): deprecated October 31, 2026, retires April 30, 2027. Alternative: Mistral Large 4.mistral-large-2512(Mistral Large 3, version 25.12): same dates, same alternative.- Three audio models share the dates:
voxtral-mini-tts-2603(alternative Voxtral TTS 3),voxtral-mini-2602(alternative Voxtral Mini Transcribe 3) andvoxtral-mini-transcribe-realtime-2602(alternative Voxtral Mini Transcribe Realtime 3). - Z.ai GLM 5.2 (
zai-glm-5-2) retires on Mistral's platform today, October 31. Mistral's changelog names Z.ai GLM 5.3 as the replacement, at the same price.
Prices on RouterPlus
Prices per million tokens, from the live RouterPlus catalog on October 31, 2026:
| Model | Provider | Input | Cached input | Output |
|---|---|---|---|---|
Mistral Medium 3.5 (mistral-medium-2604) | Mistral AI | $1.50 | $0.15 | $7.50 |
Mistral Large 3 (mistral-large-2512) | Mistral AI | $0.50 | $0.05 | $1.50 |
Mistral Large 4 (mistral-large-4) | Mistral AI | $0.70 | $0.07 | $2.10 |
At these prices, moving from Medium 3.5 to Large 4 lowers the per-token cost. Moving from Large 3 to Large 4 raises it, by $0.20 per million input tokens and $0.60 per million output tokens. Large 4 is a different model, so rerun your evals before you switch.
What to do
Swap pinned model IDs before April 30, 2027:
mistral-medium-3-5 -> mistral-large-4
mistral-large-2512 -> mistral-large-4On RouterPlus, change the model field to mistral-large-4 with the base URL https://api.routerplus.com/v1.
Browse every model and price: RouterPlus models.