Specification

Version: 25.08
Source:Mistral AI docsT1observed 1 h agohigh
Release date: 13 Aug 2025
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Status: retired
Source:Mistral AI docsT1observed 1 h agohigh
Context window: 131.1K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Max output: 104.9K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Knowledge cutoff: Jun 2025
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Modalities: image, text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Input modalities: image, text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Output modalities: text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Tokenizer: Mistral
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
API model id: mistral-medium-2508
Source:Mistral AI docsT1observed 1 h agohigh
Deprecation date: 22 May 2026
Source:Mistral AI docsT1observed 1 h agohigh
Retirement date: 31 Aug 2026
Source:Mistral AI docsT1observed 1 h agohigh
Official page: docs.mistral.ai/models/mistral-medium-3-1-25-08
Source:Mistral AI docsT1observed 1 h agohigh
File input: Yes
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Openrouter id: mistralai/mistral-medium-3.1
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Supported parameters: frequency_penalty, max_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

21

Source tiers

T1T26 / 15

Freshest observation

1 h ago

Conflicts

None

Modalities

Modalities: imagetext
Input: imagetext
Output: text

Capabilities

Tool calling
Yes
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Unavailable
Vision
Yes
OpenRouter public model & pricing listing · T2
Audio
Unavailable
Fine-tuning available
Unavailable

Context window: 131.1K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Max output: 104.9K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Knowledge cutoff: Jun 2025
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Tokenizer: Mistral
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium

No benchmark results recorded

Results appear when a tier 1–3 source publishes them; we never copy scores without a source.

Current prices

Current prices per 1M tokens
Provider	Input / 1M	Output / 1M	Cached in	Batch in / out	Context	Observed	Source
Mistral AI La Plateformemistralai/mistral-medium-3.1:batch	$0.20	$1	$0.02	—	131.1K	1 h ago	openrouter.aiT2
Mistral AI La Plateformemistralai/mistral-medium-3.1	$0.40	$2	$0.04	—	131.1K	1 h ago	openrouter.aiT2

USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.

Available through 1

Mistral AI La Plateforme

Price history

Input price · USD / 1M tokens

Output price · USD / 1M tokens

Mistral AI La Plateforme

No hardware estimate available

Estimates need a parameter count; this model has none recorded from a source.

No lineage recorded

Lineage comes from explicit `derived_from`, `fine_tuned_from`, `distilled_from` and `quantized_from` relations stated by sources.

Papers 0

No papers linked yet.

Repositories 0

No repositories linked yet.

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history

21 claims · 21 properties

Versionversion1

Claim history for Version
Value	Valid from → to	Status	Source	Confidence	Extractor
25.08	11 Sept 2026 20:56 UTC → current	current	Mistral AI docsT1	high	deterministic

Release daterelease_date1

Claim history for Release date
Value	Valid from → to	Status	Source	Confidence	Extractor
13 Aug 2025	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Statusstatus1

Claim history for Status
Value	Valid from → to	Status	Source	Confidence	Extractor
retired	11 Sept 2026 20:56 UTC → current	current	Mistral AI docsT1	high	deterministic

Context windowcontext_length1

Claim history for Context window
Value	Valid from → to	Status	Source	Confidence	Extractor
131.1K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Max outputmax_output_tokens1

Claim history for Max output
Value	Valid from → to	Status	Source	Confidence	Extractor
104.9K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Knowledge cutoffknowledge_cutoff1

Claim history for Knowledge cutoff
Value	Valid from → to	Status	Source	Confidence	Extractor
Jun 2025	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Modalitiesmodalities1

Claim history for Modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Input modalitiesmodalities_input1

Claim history for Input modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Output modalitiesmodalities_output1

Claim history for Output modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tokenizertokenizer1

Claim history for Tokenizer
Value	Valid from → to	Status	Source	Confidence	Extractor
Mistral	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

API model idapi_model_id1

Claim history for API model id
Value	Valid from → to	Status	Source	Confidence	Extractor
mistral-medium-2508	11 Sept 2026 20:56 UTC → current	current	Mistral AI docsT1	high	deterministic

Deprecation datedeprecation_date1

Claim history for Deprecation date
Value	Valid from → to	Status	Source	Confidence	Extractor
22 May 2026	11 Sept 2026 20:56 UTC → current	current	Mistral AI docsT1	high	deterministic

Retirement dateretirement_date1

Claim history for Retirement date
Value	Valid from → to	Status	Source	Confidence	Extractor
31 Aug 2026	11 Sept 2026 20:56 UTC → current	current	Mistral AI docsT1	high	deterministic

Official pageofficial_url1

Claim history for Official page
Value	Valid from → to	Status	Source	Confidence	Extractor
https://docs.mistral.ai/models/mistral-medium-3-1-25-08	11 Sept 2026 20:56 UTC → current	current	Mistral AI docsT1	high	deterministic

Descriptiondescription1

Claim history for Description
Value	Valid from → to	Status	Source	Confidence	Extractor
Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

File inputfile_input1

Claim history for File input
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
Value	Valid from → to	Status	Source	Confidence	Extractor
mistralai/mistral-medium-3.1	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Structured outputstructured_output1

Claim history for Structured output
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Supported parameterssupported_parameters1

Claim history for Supported parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
frequency_penalty, max_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tool callingtool_calling1

Claim history for Tool calling
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Visionvision1

Claim history for Vision
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

11 Sept 2026
Listed by providerModelMistral Medium 3.1Mistral AI
Mistral AI La Plateforme lists Mistral Medium 3.1 at $0.2 in / $1 out per 1M tokens
openrouter
openrouter.ai
11 Sept 2026
Listed by providerModelMistral Medium 3.1Mistral AI
Mistral AI La Plateforme lists Mistral Medium 3.1 at $0.4 in / $2 out per 1M tokens
openrouter
openrouter.ai
11 Sept 2026
New modelModelMistral Medium 3.1Mistral AI
New model: Mistral Medium 3.1 (Mistral AI)
mistral
docs.mistral.ai

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
Mistral AI docs	docs.mistral.ai/models	model_docs	T1· Official	1 h ago	1
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	1 h ago	1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.