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Model comparison

Claude Opus 4.7 vs GPT-4o

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.

71.63/100
Margin
30.3pts
← winning
OpenAI
41.34/100
1 category wins0 category wins

BenchAlign evidence: Claude Opus 4.7 supported; GPT-4o supported. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude Opus 4.7 and GPT-4o share 14 comparable benchmark results. 1 of 8 categories are comparable. 8 results are unique to Claude Opus 4.7; 0 to GPT-4o.

Updated July 15, 2026
Shared results
14
Claude Opus 4.7 only
8
GPT-4o only
0
Comparable categories
1 / 8

Pick Claude Opus 4.7 if you want the stronger benchmark profile. GPT-4o only becomes the better choice if you want the cheaper token bill.

Confidence note. This is a partial-evidence comparison with 14 shared benchmark results across 7 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Claude Opus 4.7 is clearly ahead on the provisional aggregate, 69 to 41. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude Opus 4.7's sharpest advantage is in mathematics, where it averages 38.6 against 0.3. The single biggest benchmark swing on the page is FrontierMath v2 (Tiers 1-3), 43.793% to 0.345%.

Claude Opus 4.7 is also the more expensive model on tokens at $5.00 input / $25.00 output per 1M tokens, versus $2.50 input / $10.00 output per 1M tokens for GPT-4o. That is roughly 2.5x on output cost alone. Claude Opus 4.7 gives you the larger context window at 1M, compared with 128K for GPT-4o.

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 Claude Opus 4.7 and GPT-4o
CategoryClaude Opus 4.7ΔGPT-4o
MathClaude Opus 4.738.6Margin 38.3GPT-4o0.3

Decisive benchmark drivers

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

More
A · Claude Opus 4.7B · GPT-4o
  1. FrontierMath v2 (Tiers 1-3)

    Math
    Source ↗
    A 43.793%B 0.345%
    Winner: Claude Opus 4.7Δ 43.4
    FrontierMath v2 (Tiers 1-3): Claude Opus 4.7 scored 43.793%; GPT-4o scored 0.345%. Claude Opus 4.7 wins this benchmark.

Operational comparison

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

MetricClaude Opus 4.7GPT-4oComparison
Input / output priceUSD per 1M tokensClaude Opus 4.7$5 input / $25 outputGPT-4o$2.5 input / $10 outputGPT-4o has the lower combined listed price.
Generation speedtokens per secondClaude Opus 4.7Not availableGPT-4o131 tok/sA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude Opus 4.7Not availableGPT-4o0.81 sA complete latency comparison is not available.
Context windowmaximum listed tokensClaude Opus 4.71MGPT-4o128KClaude Opus 4.7 lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude Opus 4.7GPT-4oResult
τ²-bench resultsSource 74%25.1%Claude Opus 4.7 leads
Gert LabsSource 65.59%Not comparable
ResearchClawBenchSource 20.7%Not comparable
OSWorld 2.0Source 13.9%Not comparable
Coding
BenchmarkClaude Opus 4.7GPT-4oResult
Vibe Code BenchSource 71.00%Not comparable
React Native EvalsSource 82.8%Not comparable
Terminal-Bench HardSource 54.5%8.3%Claude Opus 4.7 leads
AA-SciCodeSource 50.1%33.3%Claude Opus 4.7 leads
FrontierCodeSource 38.5%Not comparable
Reasoning
BenchmarkClaude Opus 4.7GPT-4oResult
AA-LCRSource 67.0%0.0%Claude Opus 4.7 leads
CritPtSource 5.1%0.0%Claude Opus 4.7 leads
Knowledge
BenchmarkClaude Opus 4.7GPT-4oResult
Artificial Analysis Intelligence IndexSource 42.7%11.2%Claude Opus 4.7 leads
AA-GPQA DiamondSource 88.5%54.3%Claude Opus 4.7 leads
AA-HLESource 31.2%3.3%Claude Opus 4.7 leads
AA-Omniscience IndexSource 14.2%-10.7%Claude Opus 4.7 leads
AA-Omniscience AccuracySource 43.5%19.7%Claude Opus 4.7 leads
AA-Omniscience Hallucination RateSource 51.9%37.9%GPT-4o leads
MathClaude Opus 4.7 wins
BenchmarkClaude Opus 4.7GPT-4oResult
FrontierMath v2 (Tiers 1-3)Source 43.793%0.345%Claude Opus 4.7 leads
FrontierMath v2 (Tier 4)Source 22.917%Not comparable
Multimodal
BenchmarkClaude Opus 4.7GPT-4oResult
AA-MMMU-ProSource 76.4%Not comparable
Design Arena WebsiteSource 1328866Claude Opus 4.7 leads
Inst. Following
BenchmarkClaude Opus 4.7GPT-4oResult
AA-IFBenchSource 43.6%34.3%Claude Opus 4.7 leads
Frequently Asked Questions (2)

Which is better, Claude Opus 4.7 or GPT-4o?

Claude Opus 4.7 is ahead on BenchLM's provisional leaderboard, 69 to 41. The biggest single separator in this matchup is FrontierMath v2 (Tiers 1-3), where the scores are 43.793% and 0.345%.

Which is better for math, Claude Opus 4.7 or GPT-4o?

Claude Opus 4.7 has the edge for math in this comparison, averaging 38.6 versus 0.3. Inside this category, FrontierMath v2 (Tiers 1-3) is the benchmark that creates the most daylight between them.

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Last updated: July 15, 2026

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