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Model comparison

Claude 4.1 Opus Thinking vs Grok 4

Data verified

Head-to-head evidence from 9 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

36.55/100
Margin
23.9pts
winning →
60.42/100
0 category wins0 category wins

Public leaderboard positions: Claude 4.1 Opus Thinking #184 (Supported); Grok 4 #50 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude 4.1 Opus Thinking and Grok 4 share 9 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to Claude 4.1 Opus Thinking; 7 to Grok 4.

Updated July 22, 2026
Shared results
9
Claude 4.1 Opus Thinking only
0
Grok 4 only
7
Comparable categories
0 / 8

Benchmark data for Claude 4.1 Opus Thinking and Grok 4 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 9 shared benchmark results across 6 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.

Claude 4.1 Opus Thinking has the larger context window at 200K, compared with 128K for Grok 4.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Claude 4.1 Opus Thinking and Grok 4
CategoryClaude 4.1 Opus ThinkingΔGrok 4
MathClaude 4.1 Opus ThinkingNot measuredMarginNo overlapGrok 415.3

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricClaude 4.1 Opus ThinkingGrok 4Comparison
Input / output priceUSD per 1M tokensClaude 4.1 Opus ThinkingNot availableGrok 4Not availableA complete price comparison is not available.
Generation speedtokens per secondClaude 4.1 Opus Thinking29 tok/sGrok 454 tok/sGrok 4 has the higher measured throughput.
First-answer latencyseconds to first tokenClaude 4.1 Opus Thinking15.00 sGrok 415.60 sClaude 4.1 Opus Thinking reaches the first token sooner.
Context windowmaximum listed tokensClaude 4.1 Opus Thinking200KGrok 4128KClaude 4.1 Opus Thinking lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude 4.1 Opus ThinkingGrok 4Result
τ²-bench resultsSource 71.4%74.9%Grok 4 leads
Gert LabsSource 42.34%Not comparable
Coding
BenchmarkClaude 4.1 Opus ThinkingGrok 4Result
AA-SciCodeSource 40.9%45.7%Grok 4 leads
React Native EvalsSource 72.6%Not comparable
Reasoning
BenchmarkClaude 4.1 Opus ThinkingGrok 4Result
AA-LCRSource 66.3%68.0%Grok 4 leads
CritPtSource 0.0%2.0%Grok 4 leads
Knowledge
BenchmarkClaude 4.1 Opus ThinkingGrok 4Result
Artificial Analysis Intelligence IndexSource 33.7%33.3%Claude 4.1 Opus Thinking leads
AA-GPQA DiamondSource 80.9%87.7%Grok 4 leads
AA-HLESource 11.9%23.9%Grok 4 leads
AA-Omniscience IndexSource 3.8%Not comparable
AA-Omniscience AccuracySource 41.4%Not comparable
AA-Omniscience Hallucination RateSource 64.2%Not comparable
Math
BenchmarkClaude 4.1 Opus ThinkingGrok 4Result
FrontierMath v2 (Tiers 1-3)Source 19.655%Not comparable
FrontierMath v2 (Tier 4)Source 2.083%Not comparable
Multimodal
BenchmarkClaude 4.1 Opus ThinkingGrok 4Result
AA-MMMU-ProSource 67.9%68.8%Grok 4 leads
Inst. Following
BenchmarkClaude 4.1 Opus ThinkingGrok 4Result
AA-IFBenchSource 55.4%53.7%Claude 4.1 Opus Thinking leads
Frequently Asked Questions (3)

Can I compare Claude 4.1 Opus Thinking and Grok 4 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Claude 4.1 Opus Thinking and Grok 4 today?

Claude 4.1 Opus Thinking: Pricing unavailable Grok 4: Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

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Last updated: July 22, 2026

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