ModelVerdict

Comparison

Mistral Medium 3.5 vs Qwen3.8 Flash

Same documents, same prompt: where each model is right, what it really costs and how fast it answers.

At a glance

Task · documentsEnglish (US)CzechGermanSpanishFrench
Invoice extraction97.8% / 82.4%93.5% / 91.8%97.4% / 93.5%97.0% / 87.9%98.2% / 90.6%
Email triage94.9% / 97.5%94.5% / 98.5%92.7% / 97.9%——
Personal data detection99.7% / 99.2%99.8% / 97.0%100.0% / 99.6%——
Contract clauses98.1% / 95.1%100.0% / 99.9%97.1% / 98.0%——

Correct fields: Mistral Medium 3.5 / Qwen3.8 Flash; the better one in bold. Click a cell to see the details.

Invoice extraction · English (US) (150 documents)

Mistral Medium 3.5 is more accurate by 15.4 pp. Qwen3.8 Flash is 3.8× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields97.8%82.4%
Error-free documents79%57%
Per 1,000 documents$4.37$1.15
To fix / 1,000207427
Speed (median)2.3 sec17.4 sec
Valid answers100.0%90.7%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Supplier100.0%85.3%
Supplier ID (EIN, IČO…)100.0%88.7%
Invoice number100.0%85.3%
Payment reference94.7%79.3%
Invoice date98.7%85.3%
Due date99.3%85.3%
Net by tax rate88.0%70.0%
Tax by rate98.7%76.0%
Total100.0%85.3%
Currency100.0%84.0%
Bank account96.0%81.3%

Documents where they differ

Invoice extraction · Czech (150 documents)

Mistral Medium 3.5 is more accurate by 1.7 pp. Qwen3.8 Flash is 4.6× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields93.5%91.8%
Error-free documents63%77%
Per 1,000 documents$4.69$1.02
To fix / 1,000367233
Speed (median)2.6 sec17.0 sec
Valid answers100.0%96.7%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Supplier90.0%93.3%
Supplier ID (EIN, IČO…)87.3%94.0%
VAT ID85.3%94.0%
Invoice number99.3%94.7%
Payment reference95.3%94.0%
Invoice date88.7%94.7%
Tax point86.7%94.7%
Due date90.7%94.7%
Net by tax rate99.3%80.0%
Tax by rate98.7%80.7%
Total100.0%94.0%
Currency100.0%94.0%
Bank account94.0%90.7%

Documents where they differ

Invoice extraction · German (150 documents)

Mistral Medium 3.5 is more accurate by 3.9 pp. Qwen3.8 Flash is 4.2× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields97.4%93.5%
Error-free documents75%87%
Per 1,000 documents$4.72$1.12
To fix / 1,000253127
Speed (median)2.5 sec19.0 sec
Valid answers100.0%94.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Supplier97.3%94.0%
Supplier ID (EIN, IČO…)98.7%94.0%
VAT ID96.0%94.0%
Invoice number100.0%92.7%
Payment reference92.7%88.7%
Invoice date98.0%94.0%
Tax point90.7%94.0%
Due date97.3%94.0%
Net by tax rate98.0%94.0%
Tax by rate100.0%94.0%
Total100.0%94.0%
Currency100.0%94.0%
Bank account97.3%94.0%

Documents where they differ

Invoice extraction · Spanish (100 documents)

Mistral Medium 3.5 is more accurate by 9.1 pp. Qwen3.8 Flash is 3.4× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields97.0%87.9%
Error-free documents67%74%
Per 1,000 documents$4.75$1.40
To fix / 1,000330260
Speed (median)2.5 sec22.3 sec
Valid answers100.0%90.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Supplier99.0%86.0%
Supplier ID (EIN, IČO…)100.0%89.0%
VAT ID94.0%86.0%
Invoice number100.0%89.0%
Payment reference93.0%85.0%
Invoice date100.0%89.0%
Tax point93.0%87.0%
Due date97.0%89.0%
Net by tax rate85.0%86.0%
Tax by rate100.0%90.0%
Total100.0%89.0%
Currency100.0%89.0%
Bank account100.0%89.0%

Documents where they differ

Invoice extraction · French (100 documents)

Mistral Medium 3.5 is more accurate by 7.5 pp. Qwen3.8 Flash is 3.9× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields98.2%90.6%
Error-free documents81%82%
Per 1,000 documents$4.81$1.23
To fix / 1,000190180
Speed (median)2.6 sec19.8 sec
Valid answers100.0%95.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Supplier99.0%91.0%
Supplier ID (EIN, IČO…)99.0%91.0%
VAT ID98.0%91.0%
Invoice number100.0%90.0%
Payment reference94.0%86.0%
Invoice date100.0%91.0%
Tax point100.0%92.0%
Due date100.0%89.0%
Net by tax rate95.0%91.0%
Tax by rate98.0%94.0%
Total99.0%91.0%
Currency96.0%91.0%
Bank account98.0%90.0%

Documents where they differ

Email triage · English (US) (150 documents)

Qwen3.8 Flash is more accurate by 2.6 pp. Qwen3.8 Flash is 4.8× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields94.9%97.5%
Error-free documents57%79%
Per 1,000 documents$1.47$0.30
To fix / 1,000427213
Speed (median)0.8 sec8.9 sec
Valid answers100.0%100.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Category100.0%100.0%
Priority63.3%97.3%
Sentiment90.7%80.7%
Customer name100.0%100.0%
Order number100.0%100.0%
Invoice number100.0%100.0%
Amount100.0%100.0%
Currency100.0%100.0%
Deadline100.0%99.3%

Documents where they differ

  • Cody Baldwin · Email · Mistral Medium 3.5 7/9, Qwen3.8 Flash 9/9
  • Danielle Little · Email · Mistral Medium 3.5 7/9, Qwen3.8 Flash 9/9
  • Russell Bates · Email · Mistral Medium 3.5 8/9, Qwen3.8 Flash 9/9
  • Kyle Schwartz · Email · Mistral Medium 3.5 8/9, Qwen3.8 Flash 9/9
  • James Arnold · Email · Mistral Medium 3.5 8/9, Qwen3.8 Flash 9/9
  • Jane Rubio · Email · Mistral Medium 3.5 9/9, Qwen3.8 Flash 8/9
  • Gene Everett · Email · Mistral Medium 3.5 8/9, Qwen3.8 Flash 9/9
  • Dale Sanchez · Email · Mistral Medium 3.5 8/9, Qwen3.8 Flash 9/9

Email triage · Czech (150 documents)

Qwen3.8 Flash is more accurate by 4 pp. Qwen3.8 Flash is 4.4× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields94.5%98.5%
Error-free documents55%87%
Per 1,000 documents$1.95$0.45
To fix / 1,000447133
Speed (median)0.8 sec13.0 sec
Valid answers100.0%100.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Category100.0%100.0%
Priority63.3%99.3%
Sentiment87.3%88.7%
Customer name100.0%99.3%
Order number100.0%99.3%
Invoice number100.0%100.0%
Amount100.0%100.0%
Currency100.0%100.0%
Deadline100.0%100.0%

Documents where they differ

Email triage · German (150 documents)

Qwen3.8 Flash is more accurate by 5.1 pp. Qwen3.8 Flash is 4.5× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields92.7%97.9%
Error-free documents48%81%
Per 1,000 documents$1.77$0.39
To fix / 1,000520187
Speed (median)0.8 sec12.1 sec
Valid answers100.0%100.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Category100.0%100.0%
Priority56.7%96.0%
Sentiment78.0%84.7%
Customer name100.0%100.0%
Order number100.0%100.0%
Invoice number100.0%100.0%
Amount100.0%100.0%
Currency100.0%100.0%
Deadline100.0%100.0%

Documents where they differ

Personal data detection · English (US) (150 documents)

Mistral Medium 3.5 is more accurate by 0.5 pp. Qwen3.8 Flash is 4.1× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields99.7%99.2%
Error-free documents98%99%
Per 1,000 documents$1.15$0.28
To fix / 1,0002013
Speed (median)0.8 sec7.5 sec
Valid answers100.0%100.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Names99.3%99.3%
Email addresses100.0%99.3%
Phone numbers100.0%99.3%
Addresses98.7%98.7%
Dates of birth100.0%99.3%
National IDs100.0%99.3%
Bank accounts100.0%99.3%

Documents where they differ

Personal data detection · Czech (150 documents)

Mistral Medium 3.5 is more accurate by 2.9 pp. Qwen3.8 Flash is 3.4× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields99.8%97.0%
Error-free documents99%89%
Per 1,000 documents$1.40$0.41
To fix / 1,00013113
Speed (median)0.8 sec9.6 sec
Valid answers100.0%99.3%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Names98.7%90.7%
Email addresses100.0%98.0%
Phone numbers100.0%97.3%
Addresses100.0%96.7%
Dates of birth100.0%98.0%
National IDs100.0%99.3%
Bank accounts100.0%98.7%

Documents where they differ

Personal data detection · German (150 documents)

Mistral Medium 3.5 is more accurate by 0.4 pp. Qwen3.8 Flash is 3.9× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields100.0%99.6%
Error-free documents100%99%
Per 1,000 documents$1.38$0.36
To fix / 1,00007
Speed (median)0.9 sec12.2 sec
Valid answers100.0%100.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Names100.0%99.3%
Email addresses100.0%99.3%
Phone numbers100.0%99.3%
Addresses100.0%99.3%
Dates of birth100.0%100.0%
National IDs100.0%100.0%
Bank accounts100.0%100.0%

Documents where they differ

Both models got the same number of fields right on every example document.

Contract clauses · English (US) (150 documents)

Mistral Medium 3.5 is more accurate by 3 pp. Qwen3.8 Flash is 3.8× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields98.1%95.1%
Error-free documents87%69%
Per 1,000 documents$2.35$0.62
To fix / 1,000127307
Speed (median)1.1 sec14.1 sec
Valid answers100.0%100.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Provider87.3%69.3%
Provider ID100.0%100.0%
Client88.7%69.3%
Client ID99.3%100.0%
Contract type100.0%100.0%
Price (net)100.0%100.0%
Currency100.0%100.0%
Billing period100.0%100.0%
Effective date100.0%99.3%
End date100.0%100.0%
Notice period (months)100.0%100.0%
Late-payment penalty (% per day)100.0%99.3%
Governing law100.0%99.3%

Documents where they differ

Contract clauses · Czech (150 documents)

Mistral Medium 3.5 is more accurate by 0.1 pp. Qwen3.8 Flash is 4.9× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields100.0%99.9%
Error-free documents100%99%
Per 1,000 documents$3.06$0.63
To fix / 1,000013
Speed (median)1.2 sec13.6 sec
Valid answers100.0%100.0%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Provider100.0%100.0%
Provider ID100.0%100.0%
Client100.0%100.0%
Client ID100.0%100.0%
Contract type100.0%98.7%
Price (net)100.0%100.0%
Currency100.0%100.0%
Billing period100.0%100.0%
Effective date100.0%100.0%
End date100.0%100.0%
Notice period (months)100.0%100.0%
Late-payment penalty (% per day)100.0%100.0%
Governing law100.0%100.0%

Documents where they differ

Contract clauses · German (150 documents)

Qwen3.8 Flash is more accurate by 0.9 pp. Qwen3.8 Flash is 3.5× cheaper.

MetricMistral Medium 3.5Qwen3.8 Flash
Correct fields97.1%98.0%
Error-free documents75%87%
Per 1,000 documents$2.76$0.78
To fix / 1,000247127
Speed (median)1.2 sec19.7 sec
Valid answers100.0%99.3%

Accuracy per field

FieldMistral Medium 3.5Qwen3.8 Flash
Provider100.0%99.3%
Provider ID82.0%94.7%
Client100.0%99.3%
Client ID80.7%94.7%
Contract type100.0%99.3%
Price (net)100.0%99.3%
Currency100.0%99.3%
Billing period100.0%99.3%
Effective date100.0%99.3%
End date100.0%99.3%
Notice period (months)100.0%99.3%
Late-payment penalty (% per day)100.0%99.3%
Governing law100.0%91.3%

Documents where they differ