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Model comparison

Claude Haiku 4.5 vs Claude Haiku 4.5 Thinking

Data verified

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

Sibling matchup inside the Claude Haiku 4.5 family.

56.58/100
No comparison
0 category wins0 category wins

Public leaderboard positions: Claude Haiku 4.5 #77 (Estimated); Claude Haiku 4.5 Thinking unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude Haiku 4.5 and Claude Haiku 4.5 Thinking share 1 comparable benchmark result. 0 of 8 categories are comparable. 4 results are unique to Claude Haiku 4.5; 1 to Claude Haiku 4.5 Thinking.

Updated July 23, 2026
Shared results
1
Claude Haiku 4.5 only
4
Claude Haiku 4.5 Thinking only
1
Comparable categories
0 / 8

Benchmark data for Claude Haiku 4.5 and Claude Haiku 4.5 Thinking is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 1 shared benchmark result 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.

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 Haiku 4.5 and Claude Haiku 4.5 Thinking
CategoryClaude Haiku 4.5ΔClaude Haiku 4.5 Thinking
CodingClaude Haiku 4.573.3MarginNo overlapClaude Haiku 4.5 ThinkingNot measured
MathClaude Haiku 4.54.9MarginNo overlapClaude Haiku 4.5 ThinkingNot measured

Operational comparison

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

MetricClaude Haiku 4.5Claude Haiku 4.5 ThinkingComparison
Input / output priceUSD per 1M tokensClaude Haiku 4.5$1 input / $5 outputClaude Haiku 4.5 ThinkingNot availableA complete price comparison is not available.
Generation speedtokens per secondClaude Haiku 4.5Not availableClaude Haiku 4.5 ThinkingNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude Haiku 4.5Not availableClaude Haiku 4.5 ThinkingNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude Haiku 4.5200KClaude Haiku 4.5 Thinking200KListed context windows are equal.

Benchmark Deep Dive

Agentic
BenchmarkClaude Haiku 4.5Claude Haiku 4.5 ThinkingResult
JobBenchSource 16.0%Not comparable
Coding
BenchmarkClaude Haiku 4.5Claude Haiku 4.5 ThinkingResult
SWE-bench VerifiedSource 73.3%Not comparable
Vibe Code BenchSource 11.39%Not comparable
Math
BenchmarkClaude Haiku 4.5Claude Haiku 4.5 ThinkingResult
FrontierMath v2 (Tiers 1-3)Source 5.903%Not comparable
FrontierMath v2 (Tier 4)Source 2.083%Not comparable
Multimodal
BenchmarkClaude Haiku 4.5Claude Haiku 4.5 ThinkingResult
Design Arena WebsiteSource 11521152Tie
Frequently Asked Questions (3)

Can I compare Claude Haiku 4.5 and Claude Haiku 4.5 Thinking 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 Haiku 4.5 and Claude Haiku 4.5 Thinking today?

Claude Haiku 4.5: $1.00 input / $5.00 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 23, 2026

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