GLM-5 vs Claude Sonnet 4 Comparison

Comparing GLM-5 and Claude Sonnet 4 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GLM-5 outperforms in 1 benchmarks (SWE-Bench Verified), while Claude Sonnet 4 is better at 0 benchmarks.

GLM-5 significantly outperforms across most benchmarks.

Tue Mar 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-5 costs less

For input processing, GLM-5 ($1.00/1M tokens) is 3.0x cheaper than Claude Sonnet 4 ($3.00/1M tokens).

For output processing, GLM-5 ($3.20/1M tokens) is 4.7x cheaper than Claude Sonnet 4 ($15.00/1M tokens).

In conclusion, Claude Sonnet 4 is more expensive than GLM-5.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Tue Mar 17 2026 • llm-stats.com

GLM-5

Input tokens$1.00

Output tokens$3.20

Best providerUnknown Organization

Claude Sonnet 4

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

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Context Window

Maximum input and output token capacity

Both models have the same input context window of 200,000 tokens. GLM-5 can generate longer responses up to 128,000 tokens, while Claude Sonnet 4 is limited to 64,000 tokens.

GLM-5

Input200,000 tokens

Output128,000 tokens

Claude Sonnet 4

Input200,000 tokens

Output64,000 tokens

Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Sonnet 4 supports multimodal inputs, whereas GLM-5 does not.

Claude Sonnet 4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GLM-5

Text

Images

Audio

Video

Claude Sonnet 4

Text

Images

Audio

Video

License

Usage and distribution terms

GLM-5 is licensed under MIT, while Claude Sonnet 4 uses a proprietary license.

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

GLM-5

MIT

Open weights

Claude Sonnet 4

Proprietary

Closed source

Release Timeline

When each model was launched

GLM-5 was released on 2026-02-11, while Claude Sonnet 4 was released on 2025-05-22.

GLM-5 is 9 months newer than Claude Sonnet 4.

GLM-5

Feb 11, 2026

1 months ago

8mo newer

Claude Sonnet 4

May 22, 2025

9 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

Provider Availability

GLM-5 is available from ZAI. Claude Sonnet 4 is available from Anthropic, Bedrock, Google. The availability of providers can affect quality of the model and reliability.