How accurate is Mistral Medium 3.5?

Mistral Medium 3.5 answered 23 of 80 questions correctly (28.8%) in our 2026-10-27 run, ranking #65 of 78 models.

How fast is Mistral Medium 3.5?

Mistral Medium 3.5 generated a median of 145 output tokens per second in our 2026-10-27 run, ranking #17 of 78. Median time to first token was 0.5 s.

What is the latency of Mistral Medium 3.5?

Mistral Medium 3.5 had a median time to first token of 0.5 s in our 2026-10-27 run, ranking #8 of 78 models.

How much does Mistral Medium 3.5 cost?

Mistral Medium 3.5 cost $0.025 per question on average as billed in our 2026-10-27 run, reasoning tokens included.

What is Mistral Medium 3.5 API pricing?

Mistral Medium 3.5 is listed at $1.5 per million input tokens and $7.5 per million output tokens on OpenRouter.

What is the context window of Mistral Medium 3.5?

Mistral Medium 3.5 accepts up to 262,144 tokens of context, according to OpenRouter's model catalogue.

Who makes Mistral Medium 3.5?

Mistral Medium 3.5 is made by Mistral. We tested it through OpenRouter using the model ID mistralai/mistral-medium-3-5.

Where can I use Mistral Medium 3.5 via API?

Through OpenRouter, Mistral Medium 3.5 is served by 1 host: Mistral.

MistralReleased 30 Apr 2026

Mistral Medium 3.5 benchmarks, speed and API pricing

Reviewed by LLM Verifications team · Tested 27 Oct 2026

Compare

Available through OpenRouter on

Mistral$1.5 in · $7.5 out

Intelligence28.8% correct#65 of 72

Speed145tok/s#17 of 72

Cost$0.025per question#71 of 72List $1.5 in · $7.5 out per 1M

Verbosity3,268tokens per question#66 of 72

Summary

Answers 23 of 80 verification questions correctly (28.8%), placing #65 of 72 models tested on the current suite.
Generates 145 output tokens per second, faster than 77% of the models we measure.
Starts responding after 0.5 s (median time to first token), including thinking time.
Costs $0.025 per question as billed, #30 cheapest of 31 models priced over $1 per 1M tokens.

Specifications

Reasoning: Yes
Input: text, image, file
Output: text
Context window: 262k tokens
Weights: —
Knowledge cutoff: —
OpenRouter ID: mistralai/mistral-medium-3-5
Last tested: 27 Oct 2026

Peer group: 34 models with a blended list price over $1 per 1M tokens (3 input : 1 output). Charts below compare Mistral Medium 3.5 with all models; cost and speed charts focus on this peer group.

Intelligence

Verification score: the share of 80 questions from open datasets answered correctly. See the benchmark datasets.

Score vs. cost per question

Mistral Medium 3.5 circled; dashed line joins models no cheaper model beats

Score vs. end-to-end response time

Mistral Medium 3.5 circled · accurate and quick sits top left

Score vs. tokens per question

Mistral Medium 3.5 circled · output tokens, reasoning included

Verification score

All models tested on the current suite

61 more models · see the full leaderboard

Cost

Average cost of one question, split into input, reasoning and answer tokens at each model's list price. Reasoning tokens are billed as output.

Cost per question, by token type

Peer group: blended price over $1

Input Reasoning Answer

Cost per question, as billed

All models · lower is better

1Granite 4.0 Micro$0.000051
2gpt-oss-20b$0.000066
3Granite 4.2 8B$0.000077
4Nova Micro 1.0$0.000087
5Mercury 2.5$0.00011
6Phi 4$0.00012
7gpt-oss-120b$0.00013
8GLM 5.3 Flash$0.00015
9Ministral 3 3B 2512$0.00019
10GPT-6 Luna$0.00025
71Mistral Medium 3.5$0.025

61 more models · see the full leaderboard

Speed and latency

Median of 3 streamed runs of the same prompt, measured 25 Oct 2026.

Output speed

Peer group (over $1) · higher is better

19 more models · see the full leaderboard

Time to first token

Peer group (over $1) · lower is better

21 more models · see the full leaderboard

End-to-end response time

Peer group (over $1) · lower is better

21 more models · see the full leaderboard

Latency vs. output speed

Mistral Medium 3.5 circled · quick to start and fast sits top left

Results by category

Questions answered correctly in each category

Science5/30

Engineering0/15

Medicine3/11

Economics6/9

Law2/6

Humanities & social science7/9

More from Mistral

Mistral#47Mistral Large 450.0% verification score83 tok/s1.1 s first token$0.011 / question

Mistral#52Ministral 3 8B 251242.5% verification score124 tok/s0.3 s first token$0.00027 / question

Mistral#61Ministral 3 14B 251233.8% verification score32 tok/s0.6 s first token$0.00031 / question

All Mistral models →

Compare Mistral Medium 3.5

Head to head with its closest rivals, other Mistral models and the top models overall.

Hosts and prices

Every host serving this model through OpenRouter, from OpenRouter's catalogue

Host	Input / 1M	Output / 1M	Context	Max output	Quantization
Mistral	$1.5	$7.5	262k	210k	—

Sources

Scores, speed and billed cost are our own measurements. Prices, context window and hosts come from OpenRouter's catalogue on the test date.

Mistral Medium 3.5 on OpenRouter: list prices and hosts
SuperGPQA (paper): 50 of the questions, ODC-BY 1.0
MMLU-Pro (paper): 30 of the questions, MIT
OpenRouter generation records: where billed cost and native token counts come from
Our methodology and editorial standards

Mistral Medium 3.5: frequently asked questions

How accurate is Mistral Medium 3.5?: Mistral Medium 3.5 answered 23 of 80 questions correctly (28.8%) in our 2026-10-27 run, ranking #65 of 78 models.
How fast is Mistral Medium 3.5?: Mistral Medium 3.5 generated a median of 145 output tokens per second in our 2026-10-27 run, ranking #17 of 78. Median time to first token was 0.5 s.
What is the latency of Mistral Medium 3.5?: Mistral Medium 3.5 had a median time to first token of 0.5 s in our 2026-10-27 run, ranking #8 of 78 models.
How much does Mistral Medium 3.5 cost?: Mistral Medium 3.5 cost $0.025 per question on average as billed in our 2026-10-27 run, reasoning tokens included.
What is Mistral Medium 3.5 API pricing?: Mistral Medium 3.5 is listed at $1.5 per million input tokens and $7.5 per million output tokens on OpenRouter.
What is the context window of Mistral Medium 3.5?: Mistral Medium 3.5 accepts up to 262,144 tokens of context, according to OpenRouter's model catalogue.
Who makes Mistral Medium 3.5?: Mistral Medium 3.5 is made by Mistral. We tested it through OpenRouter using the model ID mistralai/mistral-medium-3-5.
Where can I use Mistral Medium 3.5 via API?: Through OpenRouter, Mistral Medium 3.5 is served by 1 host: Mistral.

MistralReleased 30 Apr 2026

Mistral Medium 3.5 benchmarks, speed and API pricing

Reviewed by LLM Verifications team · Tested 27 Oct 2026

Compare

Available through OpenRouter on

Mistral$1.5 in · $7.5 out

Intelligence28.8% correct#65 of 72

Speed145tok/s#17 of 72

Cost$0.025per question#71 of 72List $1.5 in · $7.5 out per 1M

Verbosity3,268tokens per question#66 of 72

Summary

Answers 23 of 80 verification questions correctly (28.8%), placing #65 of 72 models tested on the current suite.
Generates 145 output tokens per second, faster than 77% of the models we measure.
Starts responding after 0.5 s (median time to first token), including thinking time.
Costs $0.025 per question as billed, #30 cheapest of 31 models priced over $1 per 1M tokens.

Specifications

Reasoning: Yes
Input: text, image, file
Output: text
Context window: 262k tokens
Weights: —
Knowledge cutoff: —
OpenRouter ID: mistralai/mistral-medium-3-5
Last tested: 27 Oct 2026

Intelligence

Verification score: the share of 80 questions from open datasets answered correctly. See the benchmark datasets.

Score vs. cost per question

Mistral Medium 3.5 circled; dashed line joins models no cheaper model beats

Score vs. end-to-end response time

Mistral Medium 3.5 circled · accurate and quick sits top left

Score vs. tokens per question

Mistral Medium 3.5 circled · output tokens, reasoning included

Verification score

All models tested on the current suite

61 more models · see the full leaderboard

Cost

Average cost of one question, split into input, reasoning and answer tokens at each model's list price. Reasoning tokens are billed as output.

Cost per question, by token type

Peer group: blended price over $1

Input Reasoning Answer

Cost per question, as billed

All models · lower is better

1Granite 4.0 Micro$0.000051
2gpt-oss-20b$0.000066
3Granite 4.2 8B$0.000077
4Nova Micro 1.0$0.000087
5Mercury 2.5$0.00011
6Phi 4$0.00012
7gpt-oss-120b$0.00013
8GLM 5.3 Flash$0.00015
9Ministral 3 3B 2512$0.00019
10GPT-6 Luna$0.00025
71Mistral Medium 3.5$0.025

61 more models · see the full leaderboard

Speed and latency

Median of 3 streamed runs of the same prompt, measured 25 Oct 2026.

Output speed

Peer group (over $1) · higher is better

19 more models · see the full leaderboard

Time to first token

Peer group (over $1) · lower is better

21 more models · see the full leaderboard

End-to-end response time

Peer group (over $1) · lower is better

21 more models · see the full leaderboard

Latency vs. output speed

Mistral Medium 3.5 circled · quick to start and fast sits top left

Results by category

Questions answered correctly in each category

Science5/30

Engineering0/15

Medicine3/11

Economics6/9

Law2/6

Humanities & social science7/9

More from Mistral

Mistral#47Mistral Large 450.0% verification score83 tok/s1.1 s first token$0.011 / question

Mistral#52Ministral 3 8B 251242.5% verification score124 tok/s0.3 s first token$0.00027 / question

Mistral#61Ministral 3 14B 251233.8% verification score32 tok/s0.6 s first token$0.00031 / question

All Mistral models →

Compare Mistral Medium 3.5

Head to head with its closest rivals, other Mistral models and the top models overall.

Hosts and prices

Every host serving this model through OpenRouter, from OpenRouter's catalogue

Host	Input / 1M	Output / 1M	Context	Max output	Quantization
Mistral	$1.5	$7.5	262k	210k	—

Sources

Scores, speed and billed cost are our own measurements. Prices, context window and hosts come from OpenRouter's catalogue on the test date.

Mistral Medium 3.5 on OpenRouter: list prices and hosts
SuperGPQA (paper): 50 of the questions, ODC-BY 1.0
MMLU-Pro (paper): 30 of the questions, MIT
OpenRouter generation records: where billed cost and native token counts come from
Our methodology and editorial standards

Mistral Medium 3.5: frequently asked questions

How accurate is Mistral Medium 3.5?: Mistral Medium 3.5 answered 23 of 80 questions correctly (28.8%) in our 2026-10-27 run, ranking #65 of 78 models.
How fast is Mistral Medium 3.5?: Mistral Medium 3.5 generated a median of 145 output tokens per second in our 2026-10-27 run, ranking #17 of 78. Median time to first token was 0.5 s.
What is the latency of Mistral Medium 3.5?: Mistral Medium 3.5 had a median time to first token of 0.5 s in our 2026-10-27 run, ranking #8 of 78 models.
How much does Mistral Medium 3.5 cost?: Mistral Medium 3.5 cost $0.025 per question on average as billed in our 2026-10-27 run, reasoning tokens included.
What is Mistral Medium 3.5 API pricing?: Mistral Medium 3.5 is listed at $1.5 per million input tokens and $7.5 per million output tokens on OpenRouter.
What is the context window of Mistral Medium 3.5?: Mistral Medium 3.5 accepts up to 262,144 tokens of context, according to OpenRouter's model catalogue.
Who makes Mistral Medium 3.5?: Mistral Medium 3.5 is made by Mistral. We tested it through OpenRouter using the model ID mistralai/mistral-medium-3-5.
Where can I use Mistral Medium 3.5 via API?: Through OpenRouter, Mistral Medium 3.5 is served by 1 host: Mistral.