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Home/Grok 4 vs Gemini 3.1 Pro
Winner: Grok 4xAI vs Google

Grok 4 vs Gemini 3.1 Pro

Grok 4 wins on coding (92 vs 80). Gemini 3.1 Pro wins on writing quality. For most workflows, Grok 4 is the stronger default — strong coding value with 2m context — an underrated pick at this price.

Last verified Mar 24, 2026/Model data modified Mar 24, 2026
Rankings refresh dailyScored on 6 criteriaNo paid rankings
xAIBalanced
Input cost
$2.00/1M
Context
2M tokens
Speed
Fast

Clear recommendation block

The shortest way to see the safest default, the lower-cost option, and the specialist pick before you read deeper.

Best overall model

Grok 4

View
Why this recommendation

Grok 4 is the safest overall answer here when you want the strongest default instead of the lowest list price.

xAIBalanced
Best for
Coding and research at competitive pricing with maximum context
Price
$2.00/1M
Context
2M tokens
Best budget model

Grok 4.5

View
Why this recommendation

Grok 4.5 is the lower-cost option to start with when you still need useful output at scale.

xAIBalanced
Best for
Fast, token-efficient coding agents
Price
$2.00/1M
Context
500k tokens
Best for speed

Gemini 3.1 Pro

View
Why this recommendation

Gemini 3.1 Pro is the better pick when response speed matters more than maximum reasoning depth.

GooglePremium
Best for
Research, deep document analysis, and long-context reasoning at competitive pricing
Price
$2.00/1M
Context
2M tokens

Why this page recommends it

Grok 4 leads on coding with a score of 92 vs 80 for Gemini 3.1 Pro.

Both models are similarly priced — the decision comes down to capability, not cost.

Grok 4 is the stronger default for coding tasks.

Decision notes

Choose Grok 4 for coding and research — coding and research at competitive pricing with maximum context.

Choose Gemini 3.1 Pro when research.

Both models serve different primary workflows — consider using each where it has a clear edge.

Interactive decision lab

Test the recommendation against your priority

Switch the scoring lens to see whether the top answer changes when you care more about cost, speed, or long-document work.

#1Gemini 3.1 Pro86 pts
#2Grok 481 pts
Quality first

Gemini 3.1 Pro

Google / Premium / Mar 24, 2026

86

Best for research and deep document analysis — 2M context at the best premium price.

Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.

Cost
$2.00/1M
$12.00/1M out
Speed
Balanced
3/100 score
Context
2M tokens
input window
View model
Data-backed recommendation
Avoid this pick if

Your primary use case is writing quality or agentic coding — Claude wins both.

Recommended comparisons

The fastest way to see where the recommendation shifts when your priority changes.

xAIBalancedWinner: Grok 4

Grok 4

Strong coding value with 2M context — an underrated pick at this price.

Best use case
Coding and research at competitive pricing with maximum context
Input
$2.00/1M
Pricing
Balanced
Speed
Fast
Context
2M tokens
Coding2M contextValue
GooglePremiumOption 2

Gemini 3.1 Pro

Best for research and deep document analysis — 2M context at the best premium price.

Best use case
Research, deep document analysis, and long-context reasoning at competitive pricing
Input
$2.00/1M
Pricing
Premium
Speed
Balanced
Context
2M tokens
Research leader2M contextBest value premium

Pros

75% SWE-bench score — strong coding performance close to top Claude models

2M token context window at $2/$6 per million tokens

Fast and responsive for exploration and open-ended research loops

Cons

Claude Opus 4.6 and Sonnet 4.6 lead on pure coding benchmarks

Less established ecosystem and tooling than OpenAI or Anthropic

Explore related decisions

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DeepSeek R1 vs Gemini 3.1 ProDeepSeek R1 vs Gemini 3.1 Pro — see exactly which wins on SWE-bench coding, price per 1M tokens, context window, and speed, with a clear verdict for every use…Read guide
Comparison
Grok 4 vs Claude Sonnet 4.6Grok 4 vs Claude Sonnet 4.6 — see exactly which wins on SWE-bench coding, price per 1M tokens, context window, and speed, with a clear verdict for every use…Read guide
xAI
Grok 4Strong coding value with 2M context — an underrated pick at this price.Read guide
Google
Gemini 3.1 ProBest for research and deep document analysis — 2M context at the best premium price.Read guide
Alternatives
Best Grok 4 AlternativesLooking for a Grok 4 alternative? Compare 5 rivals on real capability scores, price per 1M tokens, and context size — including cheaper and open-weight picks.Read guide
Alternatives
Best Gemini 3.1 Pro AlternativesLooking for a Gemini 3.1 Pro alternative? Compare 4 rivals on real capability scores, price per 1M tokens, and context size — including cheaper and open-weight…Read guide
Guide
Best AI for CodingClaude Opus 4.7 leads coding AI in 2026 with 64.3% on SWE-Bench Pro. Compare it to GPT-5.5, Claude Sonnet 4.6, and budget picks like DeepSeek V3 for your stack.Read guide

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FAQ

Is Grok 4 better than Gemini 3.1 Pro?

Grok 4 wins on more categories — coding, research, reasoning. Gemini 3.1 Pro is the better pick when research. The right choice depends on your specific use case.

Which is cheaper — Grok 4 or Gemini 3.1 Pro?

Both models are similarly priced at $2/1M input tokens. The decision should come down to capability, not cost.

Which has a larger context window — Grok 4 or Gemini 3.1 Pro?

Both Grok 4 and Gemini 3.1 Pro have the same 2M context window.

Is Grok 4 or Gemini 3.1 Pro better for coding?

Grok 4 is better for coding with a score of 92 vs Gemini 3.1 Pro's 80 (out of 100). Claude Fable 5 is the overall coding leader in this directory at 100/100.

Which is faster — Grok 4 or Gemini 3.1 Pro?

Grok 4 is faster with a fast speed rating (score: 4) vs Gemini 3.1 Pro's balanced rating (score: 3).