Skip to main content

Model comparison

Claude 3 Haiku vs Claude 3 Opus

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.

21.39/100
Margin
19.7pts
winning →
Anthropic
41.13/100
0 category wins0 category wins

Public leaderboard positions: Claude 3 Haiku #194 (Supported); Claude 3 Opus #168 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude 3 Haiku and Claude 3 Opus share 4 comparable benchmark results. 0 of 8 categories are comparable. 8 results are unique to Claude 3 Haiku; 1 to Claude 3 Opus.

Updated July 20, 2026
Shared results
4
Claude 3 Haiku only
8
Claude 3 Opus only
1
Comparable categories
0 / 8

Benchmark data for Claude 3 Haiku and Claude 3 Opus 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 $0.25 input / $1.25 output per 1M tokens for Claude 3 Haiku.

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 HaikuClaude 3 OpusComparison
Input / output priceUSD per 1M tokensClaude 3 Haiku$0.25 input / $1.25 outputClaude 3 Opus$15 input / $75 outputClaude 3 Haiku has the lower combined listed price.
Generation speedtokens per secondClaude 3 Haiku138 tok/sClaude 3 OpusNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude 3 Haiku1.16 sClaude 3 OpusNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude 3 Haiku200KClaude 3 Opus200KListed context windows are equal.

Benchmark Deep Dive

Agentic
BenchmarkClaude 3 HaikuClaude 3 OpusResult
τ²-bench resultsSource 21.1%Not comparable
Coding
BenchmarkClaude 3 HaikuClaude 3 OpusResult
AA-SciCodeSource 18.6%23.3%Claude 3 Opus leads
AA Coding IndexSource 19.5%Not comparable
Reasoning
BenchmarkClaude 3 HaikuClaude 3 OpusResult
AA-LCRSource 21.0%Not comparable
CritPtSource 0.0%Not comparable
Knowledge
BenchmarkClaude 3 HaikuClaude 3 OpusResult
Artificial Analysis Intelligence IndexSource 3.9%11.8%Claude 3 Opus leads
AA-GPQA DiamondSource 37.4%48.9%Claude 3 Opus leads
AA-HLESource 3.9%3.1%Claude 3 Haiku leads
AA-Omniscience IndexSource -47.6%Not comparable
AA-Omniscience AccuracySource 17.2%Not comparable
AA-Omniscience Hallucination RateSource 78.2%Not comparable
Multimodal
BenchmarkClaude 3 HaikuClaude 3 OpusResult
AA-MMMU-ProSource 30.8%Not comparable
Inst. Following
BenchmarkClaude 3 HaikuClaude 3 OpusResult
AA-IFBenchSource 36.1%Not comparable
Frequently Asked Questions (3)

Can I compare Claude 3 Haiku and Claude 3 Opus 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 Haiku and Claude 3 Opus today?

Claude 3 Haiku: $0.25 input / $1.25 output per 1M tokens Claude 3 Opus: $15.00 input / $75.00 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 20, 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.