Coding · Anthropic

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

Claude Haiku 4.5 Max scores 88.5 on HumanEval, placing it #63 of 600 models in the index. The benchmark average is 74.0 and the leader is GPT-5.2 Pro at 96.8.

Score
88.5
0–100 scale
Rank
#63
of 600
Percentile
90th
within the index
Benchmark avg
74.0
all models
Leader
96.8
GPT-5.2 Pro
Gap to leader
8.3
points

Score distribution

The chart shows the top 10 models on HumanEval, with Claude Haiku 4.5 Max 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 Max sits at #63 of 600. The leader, GPT-5.2 Pro, scores 96.8, so the gap to the top is 8.3 points. The median model in this index scores 77.4, which puts Claude Haiku 4.5 Max above the midpoint.

Anthropic models average 86.0 on this benchmark. Claude Haiku 4.5 Max is 2.5 points above that provider line, so it is a stronger result than the average Anthropic model.

Among multimodal models, the average is 82.2. Claude Haiku 4.5 Max is 6.3 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 88.5 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 $15.98 per million input tokens, Claude Haiku 4.5 Max 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
GPT-4.1 Max OpenAI 400000 $17.34 84.7
GPT-4.1 Reasoning OpenAI 1000000 $16.97 83.8
Claude Haiku 4.5 Reasoning Anthropic 128000 $15.11 81.4
Mistral Large 3 Mistral AI 128000 $5.41 81.7
Claude Haiku 4.5 Max Anthropic 200000 $15.98 83.8
Gemini 3 Flash Max Google DeepMind 1000000 $17.43 85.0
Grok 3 Reasoning xAI 200000 $16.07 82.9

Other benchmarks for Claude Haiku 4.5 Max

BenchmarkScoreRankPercentileRelative
MMLU-Pro 86.6 43 93th
GPQA Diamond 80.3 51 92th
SWE-bench Verified 74.0 52 91th
MATH-500 88.7 62 90th
AIME 2025 78.2 111 82th
LiveCodeBench 79.2 52 91th
IFEval 89.9 72 88th
TruthfulQA 83.7 87 86th
HellaSwag 91.1 58 90th
MMMU 81.4 40 93th
Arena Elo 1452.0 67 89th

FAQ

What score does Claude Haiku 4.5 Max get on HumanEval?

Claude Haiku 4.5 Max scores 88.5 on HumanEval in this index. The benchmark average is 74.0 and the top score is 96.8.

How does Claude Haiku 4.5 Max rank on HumanEval?

It ranks #63 of 600 models, in the 90th percentile. The leader is GPT-5.2 Pro at 96.8.

Is Claude Haiku 4.5 Max 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 Max cost?

Claude Haiku 4.5 Max costs $15.98 per million input tokens and $80.37 per million output tokens.

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