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VECTOR WIREAI INTELLIGENCE
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Gemini 3.8 Flash vs Grok 4.7

Google · released

Wins 6 of 8 areas

Reasoning · Facts · Images and charts · Math · Long documents · Following instructions

SpaceXAI · released

Wins 2 of 8 areas

Coding · Agents

Gemini 3.8 Flash is the stronger all-rounder.Grok 4.7 is better at coding.

Both rank among the ten best models we track in facts.

Scores updated · 28 tests both models report · How we compare

Where each one wins

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

Images and charts, 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 3.8 Flash$0.75 to read · $3.75 to write$4.50Price from Artificial Analysis
Grok 4.7$2.00 to read · $6.00 to write$8.00Price from Artificial Analysis

Gemini 3.8 Flash costs 44% less for the same work.

The biggest differences

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

Where Gemini 3.8 Flash pulls ahead

  • Abstract visual puzzles that people can solveARC-AGI-2+27.8points aheadGemini 3.8 Flash89.2Grok 4.761.4
  • Unpublished advanced math problemsFrontierMath Tiers 1-3 (v2)+15.4points aheadGemini 3.8 Flash68.4Grok 4.753
  • Short factual questions, answered correctlySimpleQA Verified+13.7points aheadGemini 3.8 Flash69.7Grok 4.756

Where Grok 4.7 pulls ahead

  • Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+25.9points aheadGrok 4.770.7Gemini 3.8 Flash44.8
  • Real work tasks from 44 professionsGDPVal+13.8points aheadGrok 4.760.6Gemini 3.8 Flash46.8
  • Complex command-line tasks across many fieldsTerminal-Bench 4.0+6.1points aheadGrok 4.725.8Gemini 3.8 Flash19.7

Every test, side by side

All 28 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingGrok 4.7

Full coding ranking

AgentsGrok 4.7
  • GDPValGrok 4.7 by 13.846.860.6+13.8
  • AA IT-Bench SREGemini 3.8 Flash by 10.452.542.1+10.4
  • Terminal-Bench 4.0Grok 4.7 by 6.119.725.8+6.1

Full agents ranking

ReasoningGemini 3.8 Flash

Full reasoning ranking

FactsGemini 3.8 Flash

Full facts ranking

Images and chartsGemini 3.8 Flash
  • MMMU-ProGemini 3.8 Flash by 7.485.678.2+7.4

Full images and charts ranking

MathGemini 3.8 Flash

Full math ranking

Long documentsGemini 3.8 Flash
  • AA-LCRGemini 3.8 Flash by 4.681.376.7+4.6

Full long documents ranking

Following instructionsGemini 3.8 Flash

Full following instructions ranking

Other results7 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 3.8 Flash or Grok 4.7?

Gemini 3.8 Flash wins six of the eight areas we test: reasoning, facts, images and charts, math, long documents and following instructions. Grok 4.7 wins coding and agents.

Which is better for coding?

Grok 4.7. It wins 2 of the 4 coding tests both models report; Gemini 3.8 Flash wins none, and 2 are ties.

Which is cheaper?

Gemini 3.8 Flash costs $0.75 per million input tokens and $3.75 per million output tokens; Grok 4.7 costs $2.00 and $6.00. That makes Gemini 3.8 Flash about 44% cheaper for the same work.

How do you compare the two?

We use the 28 benchmark tests both models have published scores on. The verdict counts the 21 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 7 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.