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Model comparison

Nova Pro vs o3-pro

Data verified

Head-to-head evidence from 2 shared benchmark results across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.

Amazon
20.32/100
Margin
28.0pts
winning →
OpenAI
48.33/100
0 category wins0 category wins

Public leaderboard positions: Nova Pro #196 (Supported); o3-pro #127 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Nova Pro and o3-pro share 2 comparable benchmark results. 0 of 8 categories are comparable. 10 results are unique to Nova Pro; 0 to o3-pro.

Updated July 22, 2026
Shared results
2
Nova Pro only
10
o3-pro only
0
Comparable categories
0 / 8

Benchmark data for Nova Pro and o3-pro is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 1 evidence category; 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-pro has the larger context window at 200K, compared with 128K for Nova Pro.

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.

MetricNova Proo3-proComparison
Input / output priceUSD per 1M tokensNova ProNot availableo3-pro$20 input / $80 outputA complete price comparison is not available.
Generation speedtokens per secondNova Pro141 tok/so3-pro27 tok/sNova Pro has the higher measured throughput.
First-answer latencyseconds to first tokenNova Pro0.81 so3-pro84.93 sNova Pro reaches the first token sooner.
Context windowmaximum listed tokensNova Pro128Ko3-pro200Ko3-pro lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkNova Proo3-proResult
τ²-bench resultsSource 14%Not comparable
Coding
BenchmarkNova Proo3-proResult
AA-SciCodeSource 20.8%Not comparable
Reasoning
BenchmarkNova Proo3-proResult
AA-LCRSource 19.0%Not comparable
CritPtSource 0.0%Not comparable
Knowledge
BenchmarkNova Proo3-proResult
Artificial Analysis Intelligence IndexSource 7.7%32.5%o3-pro leads
AA-GPQA DiamondSource 49.9%84.5%o3-pro leads
AA-HLESource 3.4%Not comparable
AA-Omniscience IndexSource -47.6%Not comparable
AA-Omniscience AccuracySource 17.0%Not comparable
AA-Omniscience Hallucination RateSource 77.9%Not comparable
Multimodal
BenchmarkNova Proo3-proResult
AA-MMMU-ProSource 44.3%Not comparable
Inst. Following
BenchmarkNova Proo3-proResult
AA-IFBenchSource 38.1%Not comparable
Frequently Asked Questions (3)

Can I compare Nova Pro and o3-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 Nova Pro and o3-pro today?

Nova Pro: Pricing unavailable o3-pro: $20.00 input / $80.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Related Comparisons

Last updated: July 22, 2026

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