Coding · Anthropic

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

Claude Haiku 4.5 scores 84.7 on HumanEval, placing it #122 of 600 models in the index. The benchmark average is 74.0 and the leader is GPT-5.2 Pro at 96.8.

Score
84.7
0–100 scale
Rank
#122
of 600
Percentile
80th
within the index
Benchmark avg
74.0
all models
Leader
96.8
GPT-5.2 Pro
Gap to leader
12.1
points

Score distribution

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

GPT-5.2 Pro 96.8
Gemini 3 Pro Pro 95.0
o4 Max 94.6
Grok 4 Reasoning 93.8
Claude Opus 4.5 93.7
GPT-5.2 Max 93.6
Claude Opus 4.5 Pro 93.4
Grok 4 Max 93.4
GPT-5.2 Turbo 93.2
GPT-5.1 Reasoning 92.9

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
2 Gemini 3 Pro Pro Google DeepMind 200000 $19.80 87.3
3 o4 Max OpenAI 2000000 $19.51 86.2
4 Grok 4 Reasoning xAI 2000000 $19.67 87.8
5 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
6 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
7 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
8 Grok 4 Max xAI 2000000 $19.70 86.6
9 GPT-5.2 Turbo OpenAI 1000000 $20.73 87.4
10 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3

What this score means

On HumanEval, Claude Haiku 4.5 sits at #122 of 600. The leader, GPT-5.2 Pro, scores 96.8, so the gap to the top is 12.1 points. The median model in this index scores 77.4, which puts Claude Haiku 4.5 above the midpoint.

Anthropic models average 86.0 on this benchmark. Claude Haiku 4.5 is 1.3 points below that provider line, so it is a weaker result than the average Anthropic model.

Among multimodal models, the average is 82.2. Claude Haiku 4.5 is 2.5 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 84.7 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 $13.86 per million input tokens, Claude Haiku 4.5 is above the median input price of $4.00 across the 600 models scored on HumanEval. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Mistral Large 3 Base Mistral AI 65536 $4.47 78.2
Mistral Large 3 Chat Mistral AI 1000000 $4.90 79.1
DeepSeek-R1 Chat DeepSeek 400000 $5.62 82.4
Kimi K2 Base Moonshot AI 65536 $4.82 79.2
Claude Haiku 4.5 Anthropic 1000000 $13.86 79.4
Sonar Pro Turbo Perplexity 128000 $13.55 79.0
Gemini 3 Flash Vision Google DeepMind 400000 $15.06 81.9

Other benchmarks for Claude Haiku 4.5

BenchmarkScoreRankPercentileRelative
MMLU-Pro 84.1 79 87th
GPQA Diamond 74.1 164 73th
SWE-bench Verified 69.2 127 79th
MATH-500 81.4 178 70th
AIME 2025 76.5 134 78th
LiveCodeBench 71.6 155 74th
IFEval 85.2 181 70th
TruthfulQA 79.6 197 67th
HellaSwag 89.6 97 84th
MMMU 77.6 103 83th
Arena Elo 1421.8 139 77th

FAQ

What score does Claude Haiku 4.5 get on HumanEval?

Claude Haiku 4.5 scores 84.7 on HumanEval in this index. The benchmark average is 74.0 and the top score is 96.8.

How does Claude Haiku 4.5 rank on HumanEval?

It ranks #122 of 600 models, in the 80th percentile. The leader is GPT-5.2 Pro at 96.8.

Is Claude Haiku 4.5 good at HumanEval?

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 HumanEval score calculated?

HumanEval 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 cost?

Claude Haiku 4.5 costs $13.86 per million input tokens and $74.67 per million output tokens.

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