Claude Opus 4 vs GLM-5 Comparison

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

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

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

GLM-5 significantly outperforms across most benchmarks.

Sun Mar 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-5 costs less

For input processing, Claude Opus 4 ($15.00/1M tokens) is 15.0x more expensive than GLM-5 ($1.00/1M tokens).

For output processing, Claude Opus 4 ($75.00/1M tokens) is 23.4x more expensive than GLM-5 ($3.20/1M tokens).

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

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

Lowest available price from all providers

Sun Mar 15 2026 • llm-stats.com

Claude Opus 4

Input tokens$15.00

Output tokens$75.00

Best providerAnthropic

GLM-5

Input tokens$1.00

Output tokens$3.20

Best providerUnknown Organization

Notice missing or incorrect data?Start an Issue→

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 Opus 4 is limited to 32,000 tokens.

Claude Opus 4

Input200,000 tokens

Output32,000 tokens

GLM-5

Input200,000 tokens

Output128,000 tokens

Sun Mar 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

Claude Opus 4

Text

Images

Audio

Video

GLM-5

Text

Images

Audio

Video

License

Usage and distribution terms

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

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

Claude Opus 4

Proprietary

Closed source

GLM-5

MIT

Open weights

Release Timeline

When each model was launched

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

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

Claude Opus 4

May 22, 2025

9 months ago

GLM-5

Feb 11, 2026

1 months ago

8mo newer

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

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