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GLM-5.3 vs Llama 3.1 Nemotron Ultra 253B v1

Comparing GLM-5.3 and Llama 3.1 Nemotron Ultra 253B v1 across benchmarks, pricing, and capabilities.

Zhipu AI · NVIDIA · Updated for 2026

Which is better?

GLM-5.3 and Llama 3.1 Nemotron Ultra 253B v1 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current benchmark, pricing, and model metadata for 2026.

Choose GLM-5.3

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

Choose Llama 3.1 Nemotron Ultra 253B v1

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GLM-5.3
Zhipu AI
Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
Benchmark wins
—
—
Input price
$1.40 / M
— / M
Output price
$4.40 / M
— / M
Context window
1,000,000
—
Released
Aug 2026
Apr 2025
License
Unknown
Llama 3.1 Community License

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GLM-5.3 and Llama 3.1 Nemotron Ultra 253B v1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Model Size

Parameter count comparison

500.0B diff

GLM-5.3 has 500.0B more parameters than Llama 3.1 Nemotron Ultra 253B v1, making it 197.6% larger.

Zhipu AI
GLM-5.3
753.0Bparameters
NVIDIA
Llama 3.1 Nemotron Ultra 253B v1
253.0Bparameters
753.0B
GLM-5.3
253.0B
Llama 3.1 Nemotron Ultra 253B v1

Context Window

Maximum input and output token capacity

Only GLM-5.3 specifies input context (1,000,000 tokens). Only GLM-5.3 specifies output context (128,000 tokens).

Zhipu AI
GLM-5.3
Input1,000,000 tokens
Output128,000 tokens
NVIDIA
Llama 3.1 Nemotron Ultra 253B v1
Input- tokens
Output- tokens
Tue Aug 25 2026 • llm-stats.com

Release Timeline

When each model was launched

GLM-5.3 was released on 2026-08-14, while Llama 3.1 Nemotron Ultra 253B v1 was released on 2025-04-07.

GLM-5.3 is 16 months newer than Llama 3.1 Nemotron Ultra 253B v1.

GLM-5.3

Aug 14, 2026

1 weeks ago

1.4yr newer
Llama 3.1 Nemotron Ultra 253B v1

Apr 7, 2025

1.4 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 GLM-5.3'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 GLM-5.3's cutoff date.

GLM-5.3

—

Llama 3.1 Nemotron Ultra 253B v1

Dec 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GLM-5.3 and Llama 3.1 Nemotron Ultra 253B v1 side-by-side, then vote on the output you prefer.

GLM-5.3
✓ Preferred
Llama 3.1 Nemotron Ultra 253B v1
Open in Playground

FAQ

Common questions about GLM-5.3 vs Llama 3.1 Nemotron Ultra 253B v1.

Which is better, GLM-5.3 or Llama 3.1 Nemotron Ultra 253B v1?

GLM-5.3 (Zhipu AI) and Llama 3.1 Nemotron Ultra 253B v1 (NVIDIA) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GLM-5.3 compare to Llama 3.1 Nemotron Ultra 253B v1 in benchmarks?

GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%. 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 context window sizes for GLM-5.3 and Llama 3.1 Nemotron Ultra 253B v1?

GLM-5.3 supports 1.0M tokens and Llama 3.1 Nemotron Ultra 253B v1 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-5.3 and Llama 3.1 Nemotron Ultra 253B v1?

Key differences include licensing (Unknown vs Llama 3.1 Community License). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5.3 and Llama 3.1 Nemotron Ultra 253B v1?

GLM-5.3 is developed by Zhipu AI and Llama 3.1 Nemotron Ultra 253B v1 is developed by NVIDIA.

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