Identity
- Status
- active
- Developer ID
mistralai/Mistral-Medium-3.5-128B- Released
- Not reported
- Version
- Mistral-Medium-3.5-128B
- License
- other
Mistral AIMistral Medium 3.5 128B
Mistral-Medium-3.5-128B is an open-weight vision-language model published by Mistral AI.
- Token context
- 262K tokens
- Inputs
- Text, Image
- Outputs
- Text
- Released
- Not reported
Providers & Pricing
0 current hosted offerings
No Current Hosted API Offering Verified
No exact current provider endpoint or published price has been verified for this model version.
Benchmarks
All benchmark results →| LMArena Agent Arenaagent-2026-10-16-a64ca3b12b6e | -11.72 | — | 12,762 | Mistral Medium 3.5; 95% CI [-13.50841359, -9.93416425]; sessions 12762; observations 527876; rank 49unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Text Arenatext-2026-10-15-a64ca3b12b6e | 1,420.97 | — | 11,778 | mistral-medium-3.5; 95% CI [1414.59009121, 1427.34230551]; votes 11778; rank 112unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e | 1,223.08 | — | 5,375 | mistral-medium-3.5; 95% CI [1213.57754699, 1232.58266173]; votes 5375; rank 82unknown | Original sourcewinner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Token context
- 262K tokens
- Maximum output
- Unknown
- Total parameters
- 127.7B
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Text, Image
- Outputs
- Text
- API available
- Unknown
- Open weights
- Yes
- Self-hostable
- Yes
- Reasoning
- Yes
- Vision
- Yes
- Tool calling
- Yes
- Capabilities
- chat, generation, reasoning, tools
This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.
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
Primary Evidence
Sources and Observation Date
mistralai/Mistral-Medium-3.5-128B developer model repositoryMistral AI · observed Aug 28, 2026mistralai/Mistral-Medium-3.5-128B config.json at 22b2b868a156Mistral AI · observed Aug 28, 2026mistralai/Mistral-Medium-3.5-128B README.md at 22b2b868a156Mistral AI · observed Aug 28, 2026mistralai/Mistral-Medium-3.5-128B immutable Hub API metadataMistral AI · observed Aug 28, 2026mistralai/Mistral-Medium-3.5-128B tokenizer_config.json at 22b2b868a156Mistral AI · observed Aug 28, 2026Hugging Face catalogHugging Face · observed Sep 2, 2026
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
Mistral Medium 3.5 128BMistral AI | vs | cross-developer peersimage, text | |
Mistral Medium 3.5 128BMistral AI | vs | cross-developer peersimage, text | |
Mistral Medium 3.5 128BMistral AI | vs | cross-developer peersimage, text | |
Mistral Medium 3.5 128BMistral AI | vs | Mistral Large 3Mistral AI | family variantsimage, text |
Mistral Medium 3.5 128BMistral AI | vs | Mistral Small 4 119B 2603Mistral AI | family variantsimage, text |
Mistral Medium 3.5 128BMistral AI | vs |  Kimi K2.6Moonshot AI | cross-developer peersimage, text |
Mistral Medium 3.5 128BMistral AI | vs | cross-developer peerstext | |
Mistral Medium 3.5 128BMistral AI | vs |  Qwen3 Coder NextQwen | cross-developer peerstext |
Mistral Medium 3.5 128BMistral AI | vs | Qwen3.5 35B A3BQwen | cross-developer peersimage, text |
Mistral Medium 3.5 128BMistral AI | vs | cross-developer peersimage, text |
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 262K-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.
How much does Mistral Medium 3.5 128B cost through an API?+
No directly sourced token price is currently attached to Mistral Medium 3.5 128B. Missing prices remain unknown rather than being inferred from another model or provider.
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 Command A Plus 05 2026 BF16, Llama 4 Scout 17B 16E, Llama 4 Scout 17B 16E Instruct, Mistral Large 3, and Mistral Small 4 119B 2603. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →