Mistral AI · Mistral Medium 3 5 128b · active

Mistral-Medium-3.5-128B

Mistral-Medium-3.5-128B is an open-weight vision-language model published by Mistral AI.

mistralai/Mistral-Medium-3.5-128B
Statusactive
InputText, Image
OutputText
Context256K
Total / active parameters127.7B /
Licenseother
APIUnknown
Open weights / self-hostYes / Yes

This page represents one immutable developer model ID. Serving endpoints, pricing, regions, quantizations, and service tiers attach separately and never create duplicate model records.

Provider availability

Serving endpoints and pricing

No directly sourced provider offerings yetPricing and availability stay unknown until collected from each serving provider.

Technical specification

Developer model IDmistralai/Mistral-Medium-3.5-128B
VersionMistral-Medium-3.5-128B
ReleasedNot reported
ArchitectureMistral3ForConditionalGeneration
Maximum outputUnknown
Knowledge cutoffNot reported

Capabilities

chatgenerationreasoningtools
ReasoningYes
VisionYes
Tool callingYes

Version lineage

PredecessorUnknown
SuccessorsUnknown
Aliasesmistralai/Mistral-Medium-3.5-128B, mistralai/Mistral-Medium-3.5-128B

Explicit unknowns

  • Release date
  • Maximum output
  • Knowledge cutoff
  • API availability
  • Provider pricing

Comparable peers

Related model comparisons

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Questions

Mistral-Medium-3.5-128B FAQs

What is Mistral-Medium-3.5-128B?+

Mistral-Medium-3.5-128B is an open-weight vision-language model published by Mistral AI. It is developed by Mistral AI and its current sourced lifecycle status is active.

What inputs and outputs does Mistral-Medium-3.5-128B support?+

Mistral-Medium-3.5-128B's current record lists Text and Image as input and Text as output.

How much context does Mistral-Medium-3.5-128B support?+

The current record lists a 262,144-token context window and does not report a maximum output length.

Is Mistral-Medium-3.5-128B available through an API?+

Mistral-Medium-3.5-128B's current primary-source record does not establish API availability. No provider endpoint is treated as available without direct provider evidence.

How large is Mistral-Medium-3.5-128B?+

The current record lists 127.7B total parameters and an unknown active parameter count. Its architecture is Mistral3ForConditionalGeneration.

What capabilities and tasks does Mistral-Medium-3.5-128B support?+

Mistral-Medium-3.5-128B's recorded capabilities are chat, generation, reasoning, and tools. Its supported tasks are image and text.

Can Mistral-Medium-3.5-128B be self-hosted?+

Mistral-Medium-3.5-128B is an open-weight model. Self-hosting is supported, and the recorded license is other.

Does Mistral-Medium-3.5-128B have related versions or aliases?+

No predecessor is recorded. No successor is recorded. Recorded aliases are mistralai/Mistral-Medium-3.5-128B.

Which models can Mistral-Medium-3.5-128B be compared with?+

The current compatible peer set includes Mistral-Small-4-119B-2603, Qwen3.5-397B-A17B, Kimi-K2.5, MiniMax-M3, and command-a-plus-05-2026-bf16. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons

How current is the Model Markets record for Mistral-Medium-3.5-128B?+

Mistral-Medium-3.5-128B was last verified Aug 28, 2026 from Mistral AI's primary source, “mistralai/Mistral-Medium-3.5-128B developer model repository.” The evidence is classified as official fact.

Primary evidence

Sources and observation date