Coding · Allen Institute for AI

Molmo 8B on LiveCodeBench: score, rank and what it means

Molmo 8B scores 35.6 on LiveCodeBench, placing it #568 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
35.6
0–100 scale
Rank
#568
of 600
Percentile
5th
within the index
Benchmark avg
61.0
all models
Leader
85.1
Claude Sonnet 4.5 Reasoning
Gap to leader
49.5
points

Score distribution

The chart shows the top 10 models on LiveCodeBench, with Molmo 8B 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, Molmo 8B sits at #568 of 600. The leader, Claude Sonnet 4.5 Reasoning, scores 85.1, so the gap to the top is 49.5 points. The median model in this index scores 64.7, which puts Molmo 8B below the midpoint.

Allen Institute for AI models average 48.3 on this benchmark. Molmo 8B is 12.7 points below that provider line, so it is a weaker result than the average Allen Institute for AI model.

Among small open-weight models, the average is 41.2. Molmo 8B is 5.6 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 35.6 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 $0.44 per million input tokens, Molmo 8B is below 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
Llama 3.1 1.5B Meta AI 4096 $0.53 50.7
Yi-Large 1.5B 01.AI 8192 $0.42 46.8
Yi-Lightning 1.5B 01.AI 4096 $0.54 50.0
Llama 3.3 Groq 1.5B Groq 4096 $0.46 50.0
Molmo 8B Allen Institute for AI 32768 $0.44 49.9
Phi-3.5 7B Microsoft 4096 $0.50 50.5
Llama 3 Replicate 1.5B Replicate 4096 $0.51 49.3

Other benchmarks for Molmo 8B

BenchmarkScoreRankPercentileRelative
MMLU-Pro 55.7 569 5th
GPQA Diamond 47.9 540 10th
SWE-bench Verified 33.6 567 6th
HumanEval 54.0 549 9th
MATH-500 49.2 560 7th
AIME 2025 35.5 564 6th
IFEval 60.2 572 5th
TruthfulQA 58.2 545 9th
HellaSwag 69.1 545 9th
MMMU 50.4 549 9th
Arena Elo 1186.2 568 5th

FAQ

What score does Molmo 8B get on LiveCodeBench?

Molmo 8B scores 35.6 on LiveCodeBench in this index. The benchmark average is 61.0 and the top score is 85.1.

How does Molmo 8B rank on LiveCodeBench?

It ranks #568 of 600 models, in the 5th percentile. The leader is Claude Sonnet 4.5 Reasoning at 85.1.

Is Molmo 8B good at LiveCodeBench?

It is below the median for this benchmark, so test it carefully before relying on it for this capability. 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 Molmo 8B cost?

Molmo 8B costs $0.44 per million input tokens and $2.29 per million output tokens.

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