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LFM3-1.7B vs Llama 3.1 Nemotron Ultra 253B v1

LFM3-1.7B and Llama 3.1 Nemotron Ultra 253B v1 are closely matched at 25.0 and 18.5 on the LLM Stats Score.

Liquid AI · NVIDIA · Updated for 2026

Which is better?

LFM3-1.7B and Llama 3.1 Nemotron Ultra 253B v1 are closely matched on the overall LLM Stats Score at 25.0 and 18.5.

The models split the 2 individual benchmarks reported for both models evenly.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose LFM3-1.7B

  • you want the most recent training data — it shipped Oct 2026

Choose Llama 3.1 Nemotron Ultra 253B v1

  • you are already invested in the NVIDIA ecosystem

At a glance

The differences that matter most.

LFM3-1.7B
Liquid AI
Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
Core performance indexes
LLM Stats Score
25.0
#191
18.5
#245
Reasoning
20.8
#216
18.3
#242
Coding
7.4
#218
12.4
#175
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
LFM3-1.7B
Llama 3.1 Nemotron Ultra 253B v1
Math
7.6#285
15.6#231
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

20 reported for LFM3-1.7B · 6 for Llama 3.1 Nemotron Ultra 253B v1

2 shared

LFM3-1.7B outperforms in 1 benchmarks (IFEval), while Llama 3.1 Nemotron Ultra 253B v1 is better at 1 benchmark (GPQA).

Both models are evenly matched across the benchmarks.

Sat Nov 07 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

251.3B diff

Llama 3.1 Nemotron Ultra 253B v1 has 251.3B more parameters than LFM3-1.7B, making it 14524.3% larger.

Liquid AI
LFM3-1.7B
1.7Bparameters
NVIDIA
Llama 3.1 Nemotron Ultra 253B v1
253.0Bparameters
1.7B
LFM3-1.7B
253.0B
Llama 3.1 Nemotron Ultra 253B v1

License

Usage and distribution terms

LFM3-1.7B is licensed under LFM Open License v1.0, while Llama 3.1 Nemotron Ultra 253B v1 uses Llama 3.1 Community License.

License differences may affect how you can use these models in commercial or open-source projects.

LFM3-1.7B

LFM Open License v1.0

Open weights

Llama 3.1 Nemotron Ultra 253B v1

Llama 3.1 Community License

Open weights

Release Timeline

When each model was launched

LFM3-1.7B was released on 2026-10-27, while Llama 3.1 Nemotron Ultra 253B v1 was released on 2025-04-07.

LFM3-1.7B is 19 months newer than Llama 3.1 Nemotron Ultra 253B v1.

LFM3-1.7B

Oct 27, 2026

1 weeks ago

1.6yr newer
Llama 3.1 Nemotron Ultra 253B v1

Apr 7, 2025

1.6 years ago

Knowledge Cutoff

When training data ends

Llama 3.1 Nemotron Ultra 253B v1 has a documented knowledge cutoff of 2023-12-01, while LFM3-1.7B's cutoff date is not specified.

We can confirm Llama 3.1 Nemotron Ultra 253B v1's training data extends to 2023-12-01, but cannot make a direct comparison without LFM3-1.7B's cutoff date.

LFM3-1.7B

—

Llama 3.1 Nemotron Ultra 253B v1

Dec 2023

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against LFM3-1.7B and Llama 3.1 Nemotron Ultra 253B v1 side-by-side, then vote on the output you prefer.

LFM3-1.7B
✓ Preferred
Llama 3.1 Nemotron Ultra 253B v1
Open in Playground

FAQ

Common questions about LFM3-1.7B vs Llama 3.1 Nemotron Ultra 253B v1.

Which is better, LFM3-1.7B or Llama 3.1 Nemotron Ultra 253B v1?

LFM3-1.7B and Llama 3.1 Nemotron Ultra 253B v1 are closely matched on the LLM Stats Score at 25.0 and 18.5. LFM3-1.7B is made by Liquid AI and Llama 3.1 Nemotron Ultra 253B v1 is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does LFM3-1.7B compare to Llama 3.1 Nemotron Ultra 253B v1 in benchmarks?

LFM3-1.7B scores IFEval: 96.7%, Multi-IF: 89.1%, LiveCodeBench v6: 73.5%, IFBench: 73.0%, BFCL-V4: 71.4%. Llama 3.1 Nemotron Ultra 253B v1 scores MATH-500: 97.0%, IFEval: 89.5%, GPQA: 76.0%, BFCL v2: 74.1%, AIME 2025: 72.5%.

What are the main differences between LFM3-1.7B and Llama 3.1 Nemotron Ultra 253B v1?

Key differences include LLM Stats Score (25.0 vs 18.5), licensing (LFM Open License v1.0 vs Llama 3.1 Community License). See the full comparison above for benchmark-by-benchmark results.

Who makes LFM3-1.7B and Llama 3.1 Nemotron Ultra 253B v1?

LFM3-1.7B is developed by Liquid AI and Llama 3.1 Nemotron Ultra 253B v1 is developed by NVIDIA.

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