Gemini 2.5 Pro vs Grok 4.6
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 4.6 by xAI wins on 8 of 11 benchmarks against Gemini 2.5 Pro by Google, which leads on 3. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Grok 4.6 scores 44.4 on AA Intelligence Index compared to Gemini 2.5 Pro's 16.7.
Coding: In coding, Grok 4.6 scores 76.8 on AA Coding Index compared to Gemini 2.5 Pro's 33.3, while Grok 4.6 scores 1303 on Design Arena ELO compared to Gemini 2.5 Pro's 1164, while Grok 4.6 scores 1305 on Website Arena ELO compared to Gemini 2.5 Pro's 1179.
Reasoning: In reasoning, Grok 4.6 scores 93.3% on GPQA Diamond compared to Gemini 2.5 Pro's 79.9%, while Grok 4.6 scores 53.4 on AA Agentic Index compared to Gemini 2.5 Pro's 3.5, while Grok 4.6 scores 76.0% on τ²-Bench Airline compared to Gemini 2.5 Pro's 61.3%.
Context: In context, Gemini 2.5 Pro scores 1.0M on Context Length compared to Grok 4.6's 500K.
Pricing Comparison
Gemini 2.5 Pro costs $1.3/1M input tokens and $10.0/1M output tokens, while Grok 4.6 costs $2.0/1M input and $6.0/1M output. Gemini 2.5 Pro is the more affordable option for API usage.
Verdict
Gemini 2.5 Pro leads across the board in affordability, making it the stronger overall choice in this comparison.
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Gemini 2.5 Pro vs Grok 4.6 — FAQ
Which is better, Gemini 2.5 Pro or Grok 4.6?
Grok 4.6 wins on more benchmarks overall (8 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 2.5 Pro compare to Grok 4.6 for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is Gemini 2.5 Pro cheaper than Grok 4.6?
Yes, Gemini 2.5 Pro is cheaper. Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output tokens. Grok 4.6 costs $2.0/1M input and $6.0/1M output tokens.
Which is faster, Gemini 2.5 Pro or Grok 4.6?
Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.
What benchmarks does the Gemini 2.5 Pro vs Grok 4.6 comparison cover?
This comparison covers 11 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, AA Intelligence Index, AA Coding Index, AA Agentic Index, Cached Input Cost, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.