Coding · NVIDIA

Nemotron Nano 1.5B on SWE-bench Verified: score, rank and what it means

Nemotron Nano 1.5B scores 26.2 on SWE-bench Verified, placing it #593 of 600 models in the index. The benchmark average is 57.5 and the leader is GPT-5.2 Pro at 81.7.

Score
26.2
0–100 scale
Rank
#593
of 600
Percentile
1th
within the index
Benchmark avg
57.5
all models
Leader
81.7
GPT-5.2 Pro
Gap to leader
55.5
points

Score distribution

The chart shows the top 10 models on SWE-bench Verified, with Nemotron Nano 1.5B highlighted. Longer bars mean higher scores.

GPT-5.2 Pro 81.7
Claude Opus 4.5 Pro 81.1
GPT-5.2 Max 80.5
Claude Sonnet 4.5 Max 80.2
GPT-5.2 80.2
GPT-5.1 Pro 80.1
o4 Max 79.8
Claude Sonnet 4.5 Reasoning 79.6
Claude Opus 4.5 Max 79.5
Claude Opus 4.5 Reasoning 79.5

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
2 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
3 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
4 Claude Sonnet 4.5 Max Anthropic 1000000 $19.90 87.2
5 GPT-5.2 OpenAI 2000000 $19.71 88.0
6 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
7 o4 Max OpenAI 2000000 $19.51 86.2
8 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
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 SWE-bench Verified, Nemotron Nano 1.5B sits at #593 of 600. The leader, GPT-5.2 Pro, scores 81.7, so the gap to the top is 55.5 points. The median model in this index scores 61.0, which puts Nemotron Nano 1.5B below the midpoint.

NVIDIA models average 48.4 on this benchmark. Nemotron Nano 1.5B is 22.2 points below that provider line, so it is a weaker result than the average NVIDIA model.

Among small open-weight models, the average is 39.0. Nemotron Nano 1.5B is 12.8 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 26.2 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 $0.10 per million input tokens, Nemotron Nano 1.5B is below the median input price of $4.00 across the 600 models scored on SWE-bench Verified. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Pythia 7B EleutherAI 8192 $0.10 40.7
GPT-NeoX 7B EleutherAI 8192 $0.20 42.4
Arctic 1.5B Snowflake 32768 $0.15 43.2
OLMo 2 1.5B Allen Institute for AI 16384 $0.28 44.0
Nemotron Nano 1.5B NVIDIA 8192 $0.10 41.5
Zephyr 8B Hugging Face 8192 $0.22 43.0
Zephyr 7B Hugging Face 32768 $0.23 42.5

Other benchmarks for Nemotron Nano 1.5B

BenchmarkScoreRankPercentileRelative
MMLU-Pro 50.7 591 2th
GPQA Diamond 38.8 590 2th
HumanEval 44.0 591 2th
MATH-500 39.3 592 1th
AIME 2025 25.6 592 1th
LiveCodeBench 26.3 590 2th
IFEval 52.0 596 1th
TruthfulQA 50.1 591 2th
HellaSwag 61.1 594 1th
MMMU 42.8 587 2th
Arena Elo 1125.7 595 1th

FAQ

What score does Nemotron Nano 1.5B get on SWE-bench Verified?

Nemotron Nano 1.5B scores 26.2 on SWE-bench Verified in this index. The benchmark average is 57.5 and the top score is 81.7.

How does Nemotron Nano 1.5B rank on SWE-bench Verified?

It ranks #593 of 600 models, in the 1st percentile. The leader is GPT-5.2 Pro at 81.7.

Is Nemotron Nano 1.5B good at SWE-bench Verified?

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 SWE-bench Verified score calculated?

SWE-bench Verified 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 Nemotron Nano 1.5B cost?

Nemotron Nano 1.5B costs $0.10 per million input tokens and $0.48 per million output tokens.

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