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Gemini 3.1 Flash Lite Preview vs Mistral Medium 3.1 (Non-Reasoning)

Google · released

Wins 7 of 7 areas

Coding · Agents · Reasoning · Facts · Images and charts · Long documents · Following instructions

Mistral · released

Wins 0 of 7 areas

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Gemini 3.1 Flash Lite Preview is the stronger all-rounder.

Scores updated · 24 tests both models report · How we compare

Where each one wins

Tests won in each of the seven areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.

Long documents and following instructions rest on a single test each.

What it costs

Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.

Gemini 3.1 Flash Lite Preview$0.25 to read · $1.50 to write$1.75Price from Artificial Analysis
Mistral Medium 3.1 (Non-Reasoning)$0.40 to read · $2.00 to write$2.40Price from mistralai

Gemini 3.1 Flash Lite Preview costs 27% less for the same work.

The biggest differences

The tests each model wins by the widest margin, up to three each. Scores are out of 100.

Where Gemini 3.1 Flash Lite Preview pulls ahead

  • Follows unfamiliar, precisely checkable instructionsIFBench+37.4points aheadGemini 3.1 Flash Lite Preview77.2Mistral Medium 3.1 (Non-Reasoning)39.8
  • Reasons across sets of long documentsAA-LCR+31.6points aheadGemini 3.1 Flash Lite Preview74.3Mistral Medium 3.1 (Non-Reasoning)42.7
  • Graduate-level biology, physics and chemistry questionsGPQA Diamond+23.4points aheadGemini 3.1 Flash Lite Preview82.2Mistral Medium 3.1 (Non-Reasoning)58.8

Where Mistral Medium 3.1 (Non-Reasoning) pulls ahead

No clear win on a test scored out of 100.

Every test, side by side

All 24 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingGemini 3.1 Flash Lite Preview

Full coding ranking

AgentsGemini 3.1 Flash Lite Preview

Full agents ranking

ReasoningGemini 3.1 Flash Lite Preview

Full reasoning ranking

FactsGemini 3.1 Flash Lite Preview

Full facts ranking

Images and chartsGemini 3.1 Flash Lite Preview
  • MMMU-ProGemini 3.1 Flash Lite Preview by 21.375.554.2+21.3
  • LMArena · VisionGemini 3.1 Flash Lite Preview by 68 rating points12401172+68 rating

Full images and charts ranking

Long documentsGemini 3.1 Flash Lite Preview
  • AA-LCRGemini 3.1 Flash Lite Preview by 31.674.342.7+31.6

Full long documents ranking

Following instructionsGemini 3.1 Flash Lite Preview
  • IFBenchGemini 3.1 Flash Lite Preview by 37.477.239.8+37.4

Full following instructions ranking

Other results8 tests, not counted

Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.

Questions people ask

Which is better, Gemini 3.1 Flash Lite Preview or Mistral Medium 3.1 (Non-Reasoning)?

Gemini 3.1 Flash Lite Preview wins all seven areas where both have results: coding, agents, reasoning, facts, images and charts, long documents and following instructions. Mistral Medium 3.1 (Non-Reasoning) wins none.

Which is better for coding?

Gemini 3.1 Flash Lite Preview. It wins 3 of the 3 coding tests both models report; Mistral Medium 3.1 (Non-Reasoning) wins none.

Which is cheaper?

Gemini 3.1 Flash Lite Preview costs $0.25 per million input tokens and $1.50 per million output tokens; Mistral Medium 3.1 (Non-Reasoning) costs $0.40 and $2.00. That makes Gemini 3.1 Flash Lite Preview about 27% cheaper for the same work.

How do you compare the two?

We use the 24 benchmark tests both models have published scores on. The verdict counts the 16 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 8 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.