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Model comparison

Grok 4.1 Fast vs Mistral Large 3

Data verified

Head-to-head evidence from 12 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

51.25/100
Margin
0.9pts
← winning
50.4/100
0 category wins0 category wins

Public leaderboard positions: Grok 4.1 Fast #107 (Supported); Mistral Large 3 #113 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Grok 4.1 Fast and Mistral Large 3 share 12 comparable benchmark results. 0 of 8 categories are comparable. 1 result is unique to Grok 4.1 Fast; 4 to Mistral Large 3.

Updated July 20, 2026
Shared results
12
Grok 4.1 Fast only
1
Mistral Large 3 only
4
Comparable categories
0 / 8

Benchmark data for Grok 4.1 Fast and Mistral Large 3 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 12 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.

Mistral Large 3 is priced at $0.50 input / $1.50 output per 1M tokens, versus $0.20 input / $0.50 output per 1M tokens for Grok 4.1 Fast. Grok 4.1 Fast has the larger context window at 1M, compared with 128K for Mistral Large 3.

Category breakdown

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

Operational comparison

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

MetricGrok 4.1 FastMistral Large 3Comparison
Input / output priceUSD per 1M tokensGrok 4.1 Fast$0.2 input / $0.5 outputMistral Large 3$0.5 input / $1.5 outputGrok 4.1 Fast has the lower combined listed price.
Generation speedtokens per secondGrok 4.1 Fast138 tok/sMistral Large 348 tok/sGrok 4.1 Fast has the higher measured throughput.
First-answer latencyseconds to first tokenGrok 4.1 Fast0.54 sMistral Large 31.04 sGrok 4.1 Fast reaches the first token sooner.
Context windowmaximum listed tokensGrok 4.1 Fast1MMistral Large 3128KGrok 4.1 Fast lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGrok 4.1 FastMistral Large 3Result
τ²-bench resultsSource 63.7%24.6%Grok 4.1 Fast leads
Gert LabsSource 47.32%Not comparable
AA Agentic IndexSource 5.5%Not comparable
GDPval-AASource 6.6%Not comparable
GDPval-AASource 633Not comparable
Coding
BenchmarkGrok 4.1 FastMistral Large 3Result
AA-SciCodeSource 29.6%36.2%Mistral Large 3 leads
AA Coding IndexSource 20.1%Not comparable
Reasoning
BenchmarkGrok 4.1 FastMistral Large 3Result
AA-LCRSource 22.0%34.7%Mistral Large 3 leads
CritPtSource 0.0%0.0%Tie
Knowledge
BenchmarkGrok 4.1 FastMistral Large 3Result
Artificial Analysis Intelligence IndexSource 16.9%15.9%Grok 4.1 Fast leads
AA-GPQA DiamondSource 63.7%68.0%Mistral Large 3 leads
AA-HLESource 5.0%4.1%Grok 4.1 Fast leads
AA-Omniscience IndexSource -50.9%-39.4%Mistral Large 3 leads
AA-Omniscience AccuracySource 17.0%24.1%Mistral Large 3 leads
AA-Omniscience Hallucination RateSource 81.8%83.7%Grok 4.1 Fast leads
Multimodal
BenchmarkGrok 4.1 FastMistral Large 3Result
AA-MMMU-ProSource 48.4%55.7%Mistral Large 3 leads
Inst. Following
BenchmarkGrok 4.1 FastMistral Large 3Result
AA-IFBenchSource 36.5%36.2%Grok 4.1 Fast leads
Frequently Asked Questions (3)

Can I compare Grok 4.1 Fast and Mistral Large 3 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 Grok 4.1 Fast and Mistral Large 3 today?

Grok 4.1 Fast: $0.20 input / $0.50 output per 1M tokens Mistral Large 3: $0.50 input / $1.50 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

Grok 4.1 Fast
API / mo$525
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Mistral Large 3
API / mo$1,500
Self-host / mo$9,110
Break-even380M/day
Model the full break-even

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Last updated: July 20, 2026

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