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Model comparison

Llama 3.1 405B vs Nova Pro

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.

51.71/100
Margin
31.4pts
← winning
Nova Pro
Amazon
20.32/100
0 category wins0 category wins

Public leaderboard positions: Llama 3.1 405B #102 (Estimated); Nova Pro #196 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Llama 3.1 405B and Nova Pro share 11 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to Llama 3.1 405B; 1 to Nova Pro.

Updated July 20, 2026
Shared results
11
Llama 3.1 405B only
0
Nova Pro only
1
Comparable categories
0 / 8

Benchmark data for Llama 3.1 405B and Nova Pro 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.

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.

MetricLlama 3.1 405BNova ProComparison
Input / output priceUSD per 1M tokensLlama 3.1 405B$0 input / $0 outputNova ProNot availableA complete price comparison is not available.
Generation speedtokens per secondLlama 3.1 405B29 tok/sNova Pro141 tok/sNova Pro has the higher measured throughput.
First-answer latencyseconds to first tokenLlama 3.1 405B2.19 sNova Pro0.81 sNova Pro reaches the first token sooner.
Context windowmaximum listed tokensLlama 3.1 405B128KNova Pro128KListed context windows are equal.

Benchmark Deep Dive

Agentic
BenchmarkLlama 3.1 405BNova ProResult
τ²-bench resultsSource 19%14%Llama 3.1 405B leads
Coding
BenchmarkLlama 3.1 405BNova ProResult
AA-SciCodeSource 29.9%20.8%Llama 3.1 405B leads
Reasoning
BenchmarkLlama 3.1 405BNova ProResult
AA-LCRSource 24.3%19.0%Llama 3.1 405B leads
CritPtSource 0.0%0.0%Tie
Knowledge
BenchmarkLlama 3.1 405BNova ProResult
Artificial Analysis Intelligence IndexSource 8.5%7.7%Llama 3.1 405B leads
AA-GPQA DiamondSource 51.5%49.9%Llama 3.1 405B leads
AA-HLESource 4.2%3.4%Llama 3.1 405B leads
AA-Omniscience IndexSource -17.3%-47.6%Llama 3.1 405B leads
AA-Omniscience AccuracySource 22.3%17.0%Llama 3.1 405B leads
AA-Omniscience Hallucination RateSource 51.0%77.9%Llama 3.1 405B leads
Multimodal
BenchmarkLlama 3.1 405BNova ProResult
AA-MMMU-ProSource —44.3%Not comparable
Inst. Following
BenchmarkLlama 3.1 405BNova ProResult
AA-IFBenchSource 39.0%38.1%Llama 3.1 405B leads
Frequently Asked Questions (3)

Can I compare Llama 3.1 405B and Nova Pro 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 3.1 405B and Nova Pro today?

Llama 3.1 405B: $0.00 input / $0.00 output per 1M tokens Nova Pro: 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 20, 2026

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