Mathematics · Anthropic

Claude Haiku 4.5 on AIME 2025: score, rank and what it means

Claude Haiku 4.5 scores 76.5 on AIME 2025, placing it #134 of 600 models in the index. The benchmark average is 63.6 and the leader is Claude Opus 4.5 Pro at 91.4.

Score
76.5
0–100 scale
Rank
#134
of 600
Percentile
78th
within the index
Benchmark avg
63.6
all models
Leader
91.4
Claude Opus 4.5 Pro
Gap to leader
14.9
points

Score distribution

The chart shows the top 10 models on AIME 2025, with Claude Haiku 4.5 highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Pro 91.4
GPT-5.2 Pro 91.0
GPT-5.1 Pro 90.6
GPT-5.2 90.6
o4 Reasoning 90.3
o4 Pro 89.9
Claude Opus 4.5 89.8
Gemini 3 Pro Max 89.6
Claude Opus 4.5 Max 89.3
Claude Opus 4.5 Reasoning 88.9

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
2 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
3 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
4 GPT-5.2 OpenAI 2000000 $19.71 88.0
5 o4 Reasoning OpenAI 1000000 $19.69 87.5
6 o4 Pro OpenAI 1000000 $19.37 87.3
7 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
8 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2

What this score means

On AIME 2025, Claude Haiku 4.5 sits at #134 of 600. The leader, Claude Opus 4.5 Pro, scores 91.4, so the gap to the top is 14.9 points. The median model in this index scores 67.6, which puts Claude Haiku 4.5 above the midpoint.

Anthropic models average 79.7 on this benchmark. Claude Haiku 4.5 is 3.2 points below that provider line, so it is a weaker result than the average Anthropic model.

Among multimodal models, the average is 73.9. Claude Haiku 4.5 is 2.6 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 76.5 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 $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 AIME 2025. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Hunyuan-Large Instruct Tencent 65536 $4.39 78.2
Llama 3.3 Instruct Meta AI 128000 $4.33 76.6
Llama 4 Scout Chat Meta AI 32768 $4.66 78.0
Hunyuan-Turbo Max Tencent 128000 $12.40 78.3
Claude Haiku 4.5 Anthropic 1000000 $13.86 79.4
ERNIE 4.0 Max Baidu 32768 $12.40 78.9
ERNIE 4.5 Pro Baidu 1000000 $13.89 80.5

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
HumanEval 84.7 122 80th
MATH-500 81.4 178 70th
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 AIME 2025?

Claude Haiku 4.5 scores 76.5 on AIME 2025 in this index. The benchmark average is 63.6 and the top score is 91.4.

How does Claude Haiku 4.5 rank on AIME 2025?

It ranks #134 of 600 models, in the 78th percentile. The leader is Claude Opus 4.5 Pro at 91.4.

Is Claude Haiku 4.5 good at AIME 2025?

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 AIME 2025 score calculated?

AIME 2025 is a mathematics 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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