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Model comparison

GPT-4o vs Mistral Large 3

Data verified

Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

OpenAI
41.49/100
Margin
8.9pts
winning →
50.4/100
0 category wins0 category wins

Public leaderboard positions: GPT-4o #165 (Supported); Mistral Large 3 #113 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. GPT-4o and Mistral Large 3 share 11 comparable benchmark results. 0 of 8 categories are comparable. 2 results are unique to GPT-4o; 5 to Mistral Large 3.

Updated July 20, 2026
Shared results
11
GPT-4o only
2
Mistral Large 3 only
5
Comparable categories
0 / 8

Benchmark data for GPT-4o and Mistral Large 3 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 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.

GPT-4o is priced at $2.50 input / $10.00 output per 1M tokens, versus $0.50 input / $1.50 output per 1M tokens 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.

Category scores and score margins for GPT-4o and Mistral Large 3
CategoryGPT-4oΔMistral Large 3
MathGPT-4o0.3MarginNo overlapMistral Large 3Not measured

Operational comparison

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

MetricGPT-4oMistral Large 3Comparison
Input / output priceUSD per 1M tokensGPT-4o$2.5 input / $10 outputMistral Large 3$0.5 input / $1.5 outputMistral Large 3 has the lower combined listed price.
Generation speedtokens per secondGPT-4o131 tok/sMistral Large 348 tok/sGPT-4o has the higher measured throughput.
First-answer latencyseconds to first tokenGPT-4o0.81 sMistral Large 31.04 sGPT-4o reaches the first token sooner.
Context windowmaximum listed tokensGPT-4o128KMistral Large 3128KListed context windows are equal.

Benchmark Deep Dive

Agentic
BenchmarkGPT-4oMistral Large 3Result
τ²-bench resultsSource 25.1%24.6%GPT-4o leads
AA Agentic IndexSource 5.5%Not comparable
GDPval-AASource 6.6%Not comparable
GDPval-AASource 633Not comparable
Coding
BenchmarkGPT-4oMistral Large 3Result
AA-SciCodeSource 33.3%36.2%Mistral Large 3 leads
AA Coding IndexSource 20.1%Not comparable
Reasoning
BenchmarkGPT-4oMistral Large 3Result
AA-LCRSource 0.0%34.7%Mistral Large 3 leads
CritPtSource 0.0%0.0%Tie
Knowledge
BenchmarkGPT-4oMistral Large 3Result
Artificial Analysis Intelligence IndexSource 11.2%15.9%Mistral Large 3 leads
AA-GPQA DiamondSource 54.3%68.0%Mistral Large 3 leads
AA-HLESource 3.3%4.1%Mistral Large 3 leads
AA-Omniscience IndexSource -10.7%-39.4%GPT-4o leads
AA-Omniscience AccuracySource 19.7%24.1%Mistral Large 3 leads
AA-Omniscience Hallucination RateSource 37.9%83.7%GPT-4o leads
Math
BenchmarkGPT-4oMistral Large 3Result
FrontierMath v2 (Tiers 1-3)Source 0.345%Not comparable
Multimodal
BenchmarkGPT-4oMistral Large 3Result
Design Arena WebsiteSource 864Not comparable
AA-MMMU-ProSource 55.7%Not comparable
Inst. Following
BenchmarkGPT-4oMistral Large 3Result
AA-IFBenchSource 34.3%36.2%Mistral Large 3 leads
Frequently Asked Questions (3)

Can I compare GPT-4o 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 GPT-4o and Mistral Large 3 today?

GPT-4o: $2.50 input / $10.00 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.

GPT-4o
API / mo$9,375
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

Related Comparisons

Last updated: July 20, 2026

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