ModelVerdict

Comparison

Gemini 3.8 Flash vs Mistral Small 4

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 extraction99.8% / 95.6%100.0% / 93.6%97.2% / 94.6%95.9% / 91.9%99.9% / 94.2%
Email triage98.7% / 89.7%99.2% / 87.7%98.4% / 87.1%——
Personal data detection99.7% / 99.4%99.5% / 98.8%99.7% / 99.1%——
Contract clauses99.9% / 91.5%100.0% / 99.0%99.9% / 94.0%——

Correct fields: Gemini 3.8 Flash / Mistral Small 4; the better one in bold. Click a cell to see the details.

Invoice extraction · English (US) (150 documents)

Gemini 3.8 Flash is more accurate by 4.2 pp. Mistral Small 4 is 9.4× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields99.8%95.6%
Error-free documents98%58%
Per 1,000 documents$3.84$0.41
To fix / 1,00020420
Speed (median)3.2 sec1.8 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Supplier100.0%100.0%
Supplier ID (EIN, IČO…)100.0%99.3%
Invoice number100.0%100.0%
Payment reference100.0%87.3%
Invoice date100.0%97.3%
Due date100.0%98.7%
Net by tax rate100.0%72.0%
Tax by rate100.0%99.3%
Total100.0%100.0%
Currency100.0%99.3%
Bank account98.0%98.0%

Documents where they differ

Invoice extraction · Czech (150 documents)

Gemini 3.8 Flash is more accurate by 6.3 pp. Mistral Small 4 is 9.7× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields100.0%93.6%
Error-free documents99%56%
Per 1,000 documents$4.26$0.44
To fix / 1,0007440
Speed (median)3.5 sec2.0 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Supplier99.3%91.3%
Supplier ID (EIN, IČO…)100.0%92.7%
VAT ID100.0%94.0%
Invoice number100.0%100.0%
Payment reference100.0%97.3%
Invoice date100.0%98.0%
Tax point100.0%76.0%
Due date100.0%97.3%
Net by tax rate100.0%90.0%
Tax by rate100.0%94.7%
Total100.0%98.7%
Currency100.0%97.3%
Bank account100.0%90.0%

Documents where they differ

Invoice extraction · German (150 documents)

Gemini 3.8 Flash is more accurate by 2.6 pp. Mistral Small 4 is 16.4× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields97.2%94.6%
Error-free documents96%50%
Per 1,000 documents$7.15$0.44
To fix / 1,00040500
Speed (median)4.7 sec2.0 sec
Valid answers97.3%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Supplier97.3%98.6%
Supplier ID (EIN, IČO…)97.3%80.0%
VAT ID96.7%92.9%
Invoice number97.3%100.0%
Payment reference97.3%87.1%
Invoice date97.3%100.0%
Tax point97.3%87.9%
Due date97.3%98.6%
Net by tax rate96.7%94.3%
Tax by rate97.3%99.3%
Total97.3%100.0%
Currency97.3%100.0%
Bank account97.3%91.4%

Documents where they differ

Invoice extraction · Spanish (100 documents)

Gemini 3.8 Flash is more accurate by 4 pp. Mistral Small 4 is 17.7× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields95.9%91.9%
Error-free documents95%31%
Per 1,000 documents$7.86$0.44
To fix / 1,00050691
Speed (median)5.3 sec2.2 sec
Valid answers96.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Supplier95.0%97.6%
Supplier ID (EIN, IČO…)96.0%98.8%
VAT ID96.0%53.6%
Invoice number96.0%100.0%
Payment reference96.0%88.1%
Invoice date96.0%100.0%
Tax point96.0%69.1%
Due date96.0%100.0%
Net by tax rate96.0%96.4%
Tax by rate96.0%97.6%
Total96.0%98.8%
Currency96.0%100.0%
Bank account96.0%95.2%

Documents where they differ

Invoice extraction · French (100 documents)

Gemini 3.8 Flash is more accurate by 5.7 pp. Mistral Small 4 is 13.8× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields99.9%94.2%
Error-free documents99%50%
Per 1,000 documents$6.18$0.45
To fix / 1,00010500
Speed (median)5.2 sec2.1 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Supplier100.0%96.1%
Supplier ID (EIN, IČO…)100.0%93.4%
VAT ID100.0%93.4%
Invoice number100.0%100.0%
Payment reference99.0%85.5%
Invoice date100.0%100.0%
Tax point100.0%92.1%
Due date100.0%100.0%
Net by tax rate100.0%94.7%
Tax by rate100.0%100.0%
Total100.0%100.0%
Currency100.0%94.7%
Bank account100.0%75.0%

Documents where they differ

Email triage · English (US) (150 documents)

Gemini 3.8 Flash is more accurate by 9 pp. Mistral Small 4 is 25.1× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields98.7%89.7%
Error-free documents89%37%
Per 1,000 documents$2.39$0.09
To fix / 1,000113627
Speed (median)2.2 sec0.8 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Category100.0%100.0%
Priority100.0%61.3%
Sentiment88.7%71.3%
Customer name100.0%100.0%
Order number100.0%100.0%
Invoice number100.0%100.0%
Amount100.0%99.3%
Currency100.0%99.3%
Deadline100.0%76.0%

Documents where they differ

  • Robert Lewis · Email · Gemini 3.8 Flash 9/9, Mistral Small 4 6/9
  • Omar Cabrera · Email · Gemini 3.8 Flash 9/9, Mistral Small 4 7/9
  • Russell Bates · Email · Gemini 3.8 Flash 9/9, Mistral Small 4 7/9
  • Kyle Schwartz · Email · Gemini 3.8 Flash 9/9, Mistral Small 4 7/9
  • Jennifer Chapman · Email · Gemini 3.8 Flash 9/9, Mistral Small 4 7/9
  • Cody Baldwin · Email · Gemini 3.8 Flash 9/9, Mistral Small 4 7/9
  • Dale Sanchez · Email · Gemini 3.8 Flash 9/9, Mistral Small 4 7/9
  • Daniel Stewart · Email · Gemini 3.8 Flash 9/9, Mistral Small 4 7/9

Email triage · Czech (150 documents)

Gemini 3.8 Flash is more accurate by 11.5 pp. Mistral Small 4 is 26× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields99.2%87.7%
Error-free documents93%32%
Per 1,000 documents$3.06$0.12
To fix / 1,00073685
Speed (median)2.6 sec0.8 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Category100.0%100.0%
Priority99.3%52.4%
Sentiment93.3%72.5%
Customer name100.0%98.7%
Order number100.0%100.0%
Invoice number100.0%100.0%
Amount100.0%98.0%
Currency100.0%98.0%
Deadline100.0%69.8%

Documents where they differ

Email triage · German (150 documents)

Gemini 3.8 Flash is more accurate by 11.3 pp. Mistral Small 4 is 25.7× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields98.4%87.1%
Error-free documents85%29%
Per 1,000 documents$2.74$0.11
To fix / 1,000147706
Speed (median)2.9 sec0.8 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Category100.0%100.0%
Priority100.0%55.2%
Sentiment85.3%65.0%
Customer name100.0%100.0%
Order number100.0%100.0%
Invoice number100.0%100.0%
Amount100.0%96.5%
Currency100.0%96.5%
Deadline100.0%70.6%

Documents where they differ

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

Gemini 3.8 Flash is more accurate by 0.3 pp. Mistral Small 4 is 24.1× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields99.7%99.4%
Error-free documents98%96%
Per 1,000 documents$1.86$0.08
To fix / 1,0002040
Speed (median)1.9 sec0.8 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Names100.0%97.3%
Email addresses100.0%100.0%
Phone numbers100.0%100.0%
Addresses98.0%98.7%
Dates of birth100.0%100.0%
National IDs100.0%100.0%
Bank accounts100.0%100.0%

Documents where they differ

Personal data detection · Czech (150 documents)

Gemini 3.8 Flash is more accurate by 0.8 pp. Mistral Small 4 is 23.6× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields99.5%98.8%
Error-free documents97%92%
Per 1,000 documents$2.19$0.09
To fix / 1,0003381
Speed (median)2.0 sec0.9 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Names98.7%94.0%
Email addresses100.0%100.0%
Phone numbers100.0%100.0%
Addresses98.0%98.7%
Dates of birth100.0%98.7%
National IDs100.0%100.0%
Bank accounts100.0%100.0%

Documents where they differ

Personal data detection · German (150 documents)

Gemini 3.8 Flash is more accurate by 0.6 pp. Mistral Small 4 is 23.6× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields99.7%99.1%
Error-free documents98%94%
Per 1,000 documents$2.12$0.09
To fix / 1,0002065
Speed (median)2.3 sec0.9 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Names100.0%95.0%
Email addresses100.0%100.0%
Phone numbers100.0%100.0%
Addresses98.0%99.3%
Dates of birth100.0%100.0%
National IDs100.0%100.0%
Bank accounts100.0%99.3%

Documents where they differ

  • Rosi Karz · Text · Gemini 3.8 Flash 7/7, Mistral Small 4 6/7

Contract clauses · English (US) (150 documents)

Gemini 3.8 Flash is more accurate by 8.4 pp. Mistral Small 4 is 14.5× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields99.9%91.5%
Error-free documents99%43%
Per 1,000 documents$2.47$0.17
To fix / 1,0007567
Speed (median)2.0 sec1.1 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Provider99.3%43.3%
Provider ID100.0%100.0%
Client99.3%46.7%
Client ID100.0%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%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 · Czech (150 documents)

Gemini 3.8 Flash is more accurate by 1 pp. Mistral Small 4 is 13.6× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields100.0%99.0%
Error-free documents100%92%
Per 1,000 documents$3.09$0.23
To fix / 1,000080
Speed (median)2.2 sec1.2 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Provider100.0%95.3%
Provider ID100.0%100.0%
Client100.0%95.3%
Client ID100.0%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%96.7%
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)

Gemini 3.8 Flash is more accurate by 5.9 pp. Mistral Small 4 is 16.6× cheaper.

MetricGemini 3.8 FlashMistral Small 4
Correct fields99.9%94.0%
Error-free documents99%45%
Per 1,000 documents$3.42$0.21
To fix / 1,0007553
Speed (median)2.6 sec1.2 sec
Valid answers100.0%100.0%

Accuracy per field

FieldGemini 3.8 FlashMistral Small 4
Provider100.0%98.6%
Provider ID99.3%62.4%
Client100.0%98.6%
Client ID99.3%63.1%
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%100.0%
Governing law100.0%100.0%

Documents where they differ