Skip to main content

Model comparison

Claude 3 Opus vs Phi-4

Data verified

Head-to-head evidence from 4 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

Anthropic
41.13/100
Margin
18.4pts
← winning
Microsoft
22.69/100
0 category wins0 category wins

Public leaderboard positions: Claude 3 Opus #168 (Supported); Phi-4 #192 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude 3 Opus and Phi-4 share 4 comparable benchmark results. 0 of 8 categories are comparable. 1 result is unique to Claude 3 Opus; 7 to Phi-4.

Updated July 24, 2026
Shared results
4
Claude 3 Opus only
1
Phi-4 only
7
Comparable categories
0 / 8

Benchmark data for Claude 3 Opus and Phi-4 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 4 shared benchmark results across 2 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.

Claude 3 Opus is priced at $15.00 input / $75.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Phi-4. Claude 3 Opus has the larger context window at 200K, compared with 16K for Phi-4.

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.

MetricClaude 3 OpusPhi-4Comparison
Input / output priceUSD per 1M tokensClaude 3 Opus$15 input / $75 outputPhi-4$0 input / $0 outputPhi-4 has the lower combined listed price.
Generation speedtokens per secondClaude 3 OpusNot availablePhi-435 tok/sA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude 3 OpusNot availablePhi-42.02 sA complete latency comparison is not available.
Context windowmaximum listed tokensClaude 3 Opus200KPhi-416KClaude 3 Opus lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude 3 OpusPhi-4Result
τ²-bench resultsSource 0%Not comparable
Coding
BenchmarkClaude 3 OpusPhi-4Result
AA Coding IndexSource 19.5%Not comparable
AA-SciCodeSource 23.3%26.0%Phi-4 leads
Reasoning
BenchmarkClaude 3 OpusPhi-4Result
AA-LCRSource 0.0%Not comparable
CritPtSource 0.0%Not comparable
Knowledge
BenchmarkClaude 3 OpusPhi-4Result
Artificial Analysis Intelligence IndexSource 11.8%4.9%Claude 3 Opus leads
AA-GPQA DiamondSource 48.9%57.5%Phi-4 leads
AA-HLESource 3.1%4.1%Phi-4 leads
AA-Omniscience IndexSource -56.7%Not comparable
AA-Omniscience AccuracySource 13.2%Not comparable
AA-Omniscience Hallucination RateSource 80.5%Not comparable
Inst. Following
BenchmarkClaude 3 OpusPhi-4Result
AA-IFBenchSource 23.5%Not comparable
Frequently Asked Questions (3)

Can I compare Claude 3 Opus and Phi-4 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 Claude 3 Opus and Phi-4 today?

Claude 3 Opus: $15.00 input / $75.00 output per 1M tokens Phi-4: $0.00 input / $0.00 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 24, 2026

Choose a model with this week’s evidence

Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.

One email each week. Unsubscribe anytime.