Coding · Anthropic

Claude Haiku 4.5 Reasoning on LiveCodeBench: score, rank and what it means

Claude Haiku 4.5 Reasoning scores 73.8 on LiveCodeBench, placing it #111 of 600 models in the index. The benchmark average is 61.0 and the leader is Claude Sonnet 4.5 Reasoning at 85.1.

Score
73.8
0–100 scale
Rank
#111
of 600
Percentile
82th
within the index
Benchmark avg
61.0
all models
Leader
85.1
Claude Sonnet 4.5 Reasoning
Gap to leader
11.3
points

Score distribution

The chart shows the top 10 models on LiveCodeBench, with Claude Haiku 4.5 Reasoning highlighted. Longer bars mean higher scores.

Claude Sonnet 4.5 Reasoning 85.1
Grok 4 Reasoning 85.1
Claude Opus 4.5 85.0
GPT-5.2 Max 84.8
Grok 4 Turbo 84.7
GPT-5.1 Turbo 84.6
GPT-5.2 Pro 84.6
GPT-5.2 Reasoning 84.6
Claude Opus 4.5 Pro 84.1
Gemini 3 Pro Max 83.6

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
2 Grok 4 Reasoning xAI 2000000 $19.67 87.8
3 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
4 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
5 Grok 4 Turbo xAI 1000000 $19.21 86.7
6 GPT-5.1 Turbo OpenAI 2000000 $19.19 86.1
7 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
8 GPT-5.2 Reasoning OpenAI 1000000 $20.98 87.5
9 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
10 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9

What this score means

On LiveCodeBench, Claude Haiku 4.5 Reasoning sits at #111 of 600. The leader, Claude Sonnet 4.5 Reasoning, scores 85.1, so the gap to the top is 11.3 points. The median model in this index scores 64.7, which puts Claude Haiku 4.5 Reasoning above the midpoint.

Anthropic models average 74.9 on this benchmark. Claude Haiku 4.5 Reasoning is 1.1 points below that provider line, so it is a weaker result than the average Anthropic model.

Among multimodal models, the average is 70.3. Claude Haiku 4.5 Reasoning is 3.5 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 73.8 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.

Price context

At $15.11 per million input tokens, Claude Haiku 4.5 Reasoning is above the median input price of $4.00 across the 600 models scored on LiveCodeBench. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Command A Reasoning Cohere 400000 $13.74 80.2
Kimi K2 Instruct Moonshot AI 1000000 $5.80 82.3
Command A Pro Cohere 200000 $14.28 81.3
Doubao 1.5 Pro Reasoning ByteDance 128000 $14.56 81.6
Claude Haiku 4.5 Reasoning Anthropic 128000 $15.11 81.4
Hunyuan-Large Chat Tencent 200000 $4.35 78.1
Llama 4 Scout Instruct Meta AI 32768 $4.59 79.1

Other benchmarks for Claude Haiku 4.5 Reasoning

BenchmarkScoreRankPercentileRelative
MMLU-Pro 83.4 96 84th
GPQA Diamond 74.6 150 75th
SWE-bench Verified 69.6 119 80th
HumanEval 88.7 61 90th
MATH-500 85.8 95 84th
AIME 2025 79.0 100 83th
IFEval 89.9 73 88th
TruthfulQA 82.5 116 81th
HellaSwag 90.9 64 89th
MMMU 76.7 117 81th
Arena Elo 1444.2 90 85th

FAQ

What score does Claude Haiku 4.5 Reasoning get on LiveCodeBench?

Claude Haiku 4.5 Reasoning scores 73.8 on LiveCodeBench in this index. The benchmark average is 61.0 and the top score is 85.1.

How does Claude Haiku 4.5 Reasoning rank on LiveCodeBench?

It ranks #111 of 600 models, in the 82nd percentile. The leader is Claude Sonnet 4.5 Reasoning at 85.1.

Is Claude Haiku 4.5 Reasoning good at LiveCodeBench?

Yes, relative to the index: it is above the median and inside the top half of scores. The result should be read alongside its price and context window.

How is the LiveCodeBench score calculated?

LiveCodeBench is a coding benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.

What does Claude Haiku 4.5 Reasoning cost?

Claude Haiku 4.5 Reasoning costs $15.11 per million input tokens and $70.05 per million output tokens.

Related