Mistral Medium 3.5 Thinking
Mistral Medium 3.5 with reasoning enabled by default (reasoning_effort=high), for complex coding, agentic, and multi-step reasoning prompts.
- Reasoning
- Vision
- Tool Calling
- Structured Output
Added Apr 30, 2026
Model weightsPricing
Auto routing · per 1M tokens- Input
- $1.50
- Output
- $7.50
Specifications
- Context window
- 256K
- Max output
- 32.8K
- Parameters
- 128B
- Avg output (7d)
- 702 tokens
- Longer than 55% of models
Benchmarks
Benchmarks
Sourced from LMArena.
Arena Score
1426.5
Overall Rank
#121 / 421
Votes
11,656
Confidence Interval
1420.1 - 1432.9
Category Scores
Coding
#119 / 416
3,255 votes
1478.3
Math
#114 / 404
563 votes
1427.2
Longer Query
#134 / 399
5,030 votes
1429.2
Creative Writing
#113 / 419
2,052 votes
1399.4
Instruction Following
#112 / 421
3,791 votes
1422.8
Hard Prompts
#128 / 421
7,572 votes
1445.0
Additional Categories21
German
#79 / 320
172 votes
1449.2
Korean
#98 / 289
187 votes
1388.2
English
#110 / 421
5,599 votes
1443.5
Polish
#112 / 244
233 votes
1421.6
Industry Legal And Government
#114 / 393
885 votes
1439.6
Industry Mathematical
#114 / 401
642 votes
1437.7
Industry Software And It Services
#114 / 421
4,548 votes
1469.0
Multi Turn
#117 / 419
1,903 votes
1432.8
Industry Entertainment And Sports And Media
#118 / 419
2,649 votes
1396.9
Exclude Ties
#119 / 421
8,839 votes
1420.2
Industry Business And Management And Financial Operations
#119 / 414
2,242 votes
1430.9
Hard Prompts English
#120 / 419
3,820 votes
1456.8
Industry Writing And Literature And Language
#125 / 420
2,966 votes
1404.6
French
#127 / 301
443 votes
1436.1
Russian
#128 / 385
1,227 votes
1412.4
Non English
#131 / 421
6,057 votes
1406.5
Industry Life And Physical And Social Science
#136 / 419
1,918 votes
1437.0
Chinese
#143 / 395
607 votes
1446.8
Expert
#145 / 371
1,189 votes
1434.6
Spanish
#159 / 303
388 votes
1397.4
Industry Medicine And Healthcare
#163 / 390
842 votes
1420.6
Published 2026-11-09 · Matched as Mistral Medium 3.5
LMArena DatasetProviders
Auto routing is available for this model. Explicit provider selection is not available.
Recommended | $1.50 | $7.50 | N/A | N/A | N/A |
Batch rows for this model use normal routing and cost the same as standard API requests. Set provider in a row to choose a provider.