Quick Verdict

Google offers 8 models ranging from $0.037 to $2.50 per million input tokens. Cheapest: Gemini 2.5 Flash Lite.

xAI offers 5 models ranging from $0.300 to $5.00 per million input tokens. Cheapest: Grok 3 Mini.

Winner on price: Google ($0.037/M input). Winner on average: Google (avg $0.683/M).

Winner Per Scenario

Which provider has the cheapest model for each coding scenario?

ScenarioGoogle BestxAI BestWinner
Small Script (1K lines) Gemini 2.5 Flash Lite — <$0.01 Grok 3 Mini — $0.03 Google wins by $0.02
Medium Feature (10K lines) Gemini 2.5 Flash Lite — $0.04 Grok 3 Mini — $0.21 Google wins by $0.16
Large Project (50K lines) Gemini 2.5 Flash Lite — $0.22 Grok 3 Mini — $1.02 Google wins by $0.81
Code Review (5K lines) Gemini 2.5 Flash Lite — $0.01 Grok 3 Mini — $0.07 Google wins by $0.05

Head-to-Head Model Comparisons

Each Google model matched against its closest-priced xAI competitor. Medium project cost (500K input + 200K output).

GooglexAICostCostSavings
Gemini 2.5 Pro Grok Code $2.44 $2.02 Grok Code saves $0.41 (17%)
Gemini 2.5 Flash Grok 3 Mini $0.17 $0.21 Gemini 2.5 Flash saves $0.03 (16%)
Gemini 2.0 Flash Grok 3 Mini $0.12 $0.21 Gemini 2.0 Flash saves $0.09 (44%)
Gemini 1.5 Pro Grok Code $1.44 $2.02 Gemini 1.5 Pro saves $0.59 (29%)
Gemini 1.5 Flash Grok 3 Mini $0.09 $0.21 Gemini 1.5 Flash saves $0.12 (58%)
Gemini 2.5 Flash Lite Grok 3 Mini $0.04 $0.21 Gemini 2.5 Flash Lite saves $0.16 (79%)
Gemini 2.0 Pro Grok 3 $2.88 $4.05 Gemini 2.0 Pro saves $1.17 (29%)
Gemma 3 27B Grok 3 Mini $0.12 $0.21 Gemma 3 27B saves $0.09 (44%)

Full Ranking — All 13 Models

Every model from both providers, ranked by medium project cost.

#ModelProviderInput ($/M)Medium Project
1 Gemini 2.5 Flash Lite Google $0.037 $0.04
2 Gemini 1.5 Flash Google $0.075 $0.09
3 Gemini 2.0 Flash Google $0.100 $0.12
4 Gemma 3 27B Google $0.100 $0.12
5 Gemini 2.5 Flash Google $0.150 $0.17
6 Grok 3 Mini xAI $0.300 $0.21
7 Gemini 1.5 Pro Google $1.25 $1.44
8 Grok Code xAI $1.50 $2.02
9 Gemini 2.5 Pro Google $1.25 $2.44
10 Gemini 2.0 Pro Google $2.50 $2.88
11 Grok 3 xAI $3.00 $4.05
12 Grok 3 Vision xAI $5.00 $5.75
13 Grok 4 xAI $5.00 $6.75

Explore Individual Comparisons

Detailed side-by-side comparisons between specific models.

Gemini 2.5 Pro vs Grok CodeGemini 2.5 Flash vs Grok 3 MiniGemini 2.0 Flash vs Grok 3 MiniGemini 1.5 Pro vs Grok Code