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Model comparison

Llama 4 Scout vs o3

Data verified

Head-to-head evidence from 14 shared benchmark results across 7 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

39.87/100
Margin
8.0pts
winning →
OpenAI
47.89/100
0 category wins0 category wins

Public leaderboard positions: Llama 4 Scout #174 (Supported); o3 #131 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Llama 4 Scout and o3 share 14 comparable benchmark results. 0 of 8 categories are comparable. 4 results are unique to Llama 4 Scout; 2 to o3.

Updated July 20, 2026
Shared results
14
Llama 4 Scout only
4
o3 only
2
Comparable categories
0 / 8

Benchmark data for Llama 4 Scout and o3 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 14 shared benchmark results across 7 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.

o3 is priced at $2.00 input / $8.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Llama 4 Scout. Llama 4 Scout has the larger context window at 10M, compared with 200K for o3.

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 Llama 4 Scout and o3
CategoryLlama 4 ScoutΔo3
MathLlama 4 ScoutNot measuredMarginNo overlapo314.5

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · Llama 4 ScoutB · o3
  1. FrontierMath v2 (Tiers 1-3)

    Math
    Source ↗
    A 0.000%B 18.685%
    Winner: o3Δ 18.7
    FrontierMath v2 (Tiers 1-3): Llama 4 Scout scored 0.000%; o3 scored 18.685%. o3 wins this benchmark.

Operational comparison

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

MetricLlama 4 Scouto3Comparison
Input / output priceUSD per 1M tokensLlama 4 Scout$0 input / $0 outputo3$2 input / $8 outputLlama 4 Scout has the lower combined listed price.
Generation speedtokens per secondLlama 4 Scout128 tok/so3118 tok/sLlama 4 Scout has the higher measured throughput.
First-answer latencyseconds to first tokenLlama 4 Scout0.70 so35.38 sLlama 4 Scout reaches the first token sooner.
Context windowmaximum listed tokensLlama 4 Scout10Mo3200KLlama 4 Scout lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkLlama 4 Scouto3Result
AA Agentic IndexSource 1.1%Not comparable
τ²-bench resultsSource 15.5%80.7%o3 leads
GDPval-AASource 0.0%Not comparable
GDPval-AASource 90Not comparable
Coding
BenchmarkLlama 4 Scouto3Result
AA Coding IndexSource 8.2%Not comparable
AA-SciCodeSource 17.0%41.0%o3 leads
Reasoning
BenchmarkLlama 4 Scouto3Result
AA-LCRSource 25.8%69.3%o3 leads
CritPtSource 0.0%1.1%o3 leads
Knowledge
BenchmarkLlama 4 Scouto3Result
Artificial Analysis Intelligence IndexSource 10.0%30.4%o3 leads
AA-GPQA DiamondSource 58.7%82.7%o3 leads
AA-HLESource 4.3%20.0%o3 leads
AA-Omniscience IndexSource -52.4%-15.3%o3 leads
AA-Omniscience AccuracySource 14.6%38.4%o3 leads
AA-Omniscience Hallucination RateSource 78.3%87.1%Llama 4 Scout leads
Math
BenchmarkLlama 4 Scouto3Result
FrontierMath v2 (Tiers 1-3)Source 0.000%18.685%o3 leads
AA MATH-500Source 99.2%Not comparable
FrontierMath v2 (Tier 4)Source 2.083%Not comparable
Multimodal
BenchmarkLlama 4 Scouto3Result
AA-MMMU-ProSource 52.9%70.1%o3 leads
Design Arena WebsiteSource 7831069o3 leads
Inst. Following
BenchmarkLlama 4 Scouto3Result
AA-IFBenchSource 39.5%71.4%o3 leads
Frequently Asked Questions (3)

Can I compare Llama 4 Scout and o3 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 Llama 4 Scout and o3 today?

Llama 4 Scout: $0.00 input / $0.00 output per 1M tokens o3: $2.00 input / $8.00 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.

Llama 4 Scout
API / mo$0
Self-host / mo$2,278
Break-even
o3
API / mo$7,500
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Model the full break-even

Related Comparisons

Last updated: July 20, 2026

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