# Mistral's Responses API is in public preview, plus DeepSeek V4.1 Flash and GLM 5.3 Flash



Mistral



Mistral's Responses API is now in public preview for all of its hosted chat models. It returns the answer, the reasoning and any tool calls as separate items. Mistral also now serves DeepSeek V4.1 Flash \(in preview\) and GLM 5.3 Flash \(generally available\).

- Announcement time: Oct 28, 2026 22:01 · Beijing Time (UTC+8)
- Review updated: Oct 29, 2026 10:33 Thu · Beijing Time (UTC+8)

## Sources

- Source excerpt: https://x.com/MistralAI/status/2115443720371814478
- Source excerpt: https://x.com/MistralAI/status/2115443720883454191
- Source excerpt: https://x.com/MistralAI/status/2115443721227440351

Canonical entry: https://www.ailyre.com/source/?id=mistral-responses-api-public-preview-2026-10-28&lang=en