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GLM-5.3 vs Nova 2 Omni

Comparing GLM-5.3 and Nova 2 Omni across benchmarks, pricing, and capabilities.

Zhipu AI · Amazon · Updated for 2026

Which is better?

GLM-5.3 and Nova 2 Omni 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 Nova 2 Omni

  • you are already invested in the Amazon ecosystem

At a glance

The differences that matter most.

GLM-5.3
Zhipu AI
Nova 2 Omni
Amazon
Benchmark wins
—
—
Input price
$1.40 / M
— / M
Output price
$4.40 / M
— / M
Context window
1,000,000
—
Released
Aug 2026
Dec 2025
License
Unknown
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GLM-5.3 and Nova 2 Omnidon'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

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
Amazon
Nova 2 Omni
Input- tokens
Output- tokens
Mon Aug 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Nova 2 Omni supports multimodal inputs, whereas GLM-5.3 does not.

Nova 2 Omni can handle both text and other forms of data like images, making it suitable for multimodal applications.

GLM-5.3

Text
Images
Audio
Video

Nova 2 Omni

Text
Images
Audio
Video

Release Timeline

When each model was launched

GLM-5.3 was released on 2026-08-14, while Nova 2 Omni was released on 2025-12-02.

GLM-5.3 is 9 months newer than Nova 2 Omni.

GLM-5.3

Aug 14, 2026

1 weeks ago

8mo newer
Nova 2 Omni

Dec 2, 2025

8 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GLM-5.3 and Nova 2 Omni side-by-side, then vote on the output you prefer.

GLM-5.3
✓ Preferred
Nova 2 Omni
Open in Playground

FAQ

Common questions about GLM-5.3 vs Nova 2 Omni.

Which is better, GLM-5.3 or Nova 2 Omni?

GLM-5.3 (Zhipu AI) and Nova 2 Omni (Amazon) 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 Nova 2 Omni 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%. Nova 2 Omni scores AIME 2025: 92.1%, RefCOCOg: 86.3%, ScreenSpot: 85.4%, MMLU-Pro: 80.7%, Tau2 Telecom: 80.0%.

What are the context window sizes for GLM-5.3 and Nova 2 Omni?

GLM-5.3 supports 1.0M tokens and Nova 2 Omni 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 Nova 2 Omni?

Key differences include multimodal support (no vs yes), licensing (Unknown vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5.3 and Nova 2 Omni?

GLM-5.3 is developed by Zhipu AI and Nova 2 Omni is developed by Amazon.

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