Model Comparison

Claude Opus 4 vs GLM-4.5V

Comparing Claude Opus 4 and GLM-4.5V across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Opus 4 and GLM-4.5V don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-4.5V costs less

For input processing, Claude Opus 4 ($15.00/1M tokens) is 27.3x more expensive than GLM-4.5V ($0.55/1M tokens).

For output processing, Claude Opus 4 ($75.00/1M tokens) is 34.2x more expensive than GLM-4.5V ($2.19/1M tokens).

In conclusion, Claude Opus 4 is more expensive than GLM-4.5V.*

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

Lowest available price from all providers
Wed Apr 22 2026 • llm-stats.com
Anthropic
Claude Opus 4
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Zhipu AI
GLM-4.5V
Input tokens$0.55
Output tokens$2.19
Best providerFireworks
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4 accepts 200,000 input tokens compared to GLM-4.5V's 131,072 tokens. GLM-4.5V can generate longer responses up to 131,072 tokens, while Claude Opus 4 is limited to 32,000 tokens.

Anthropic
Claude Opus 4
Input200,000 tokens
Output32,000 tokens
Zhipu AI
GLM-4.5V
Input131,072 tokens
Output131,072 tokens
Wed Apr 22 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4 and GLM-4.5V support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Opus 4

Text
Images
Audio
Video

GLM-4.5V

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4 is licensed under a proprietary license, while GLM-4.5V 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-4.5V

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 4 was released on 2025-05-22, while GLM-4.5V was released on 2025-08-11.

GLM-4.5V is 3 months newer than Claude Opus 4.

Claude Opus 4

May 22, 2025

11 months ago

GLM-4.5V

Aug 11, 2025

8 months ago

2mo 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-4.5V is available from Fireworks, Novita.

Claude Opus 4

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

GLM-4.5V

fireworks logo
Fireworks
Input Price:Input: $0.55/1MOutput Price:Output: $2.19/1M
novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $2.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Zhipu AI
Less expensive input tokens
Less expensive output tokens
Has open weights
AnthropicClaude Opus 4
Zhipu AIGLM-4.5V
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Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4
Zhipu AI
GLM-4.5V

FAQ

Common questions about Claude Opus 4 vs GLM-4.5V

Claude Opus 4 (Anthropic) and GLM-4.5V (Zhipu AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
Claude Opus 4 scores MMMLU: 88.8%, TAU-bench Retail: 81.4%, GPQA: 79.6%, MMMU (validation): 76.5%, AIME 2025: 75.5%.
GLM-4.5V is 27.3x cheaper for input tokens. Claude Opus 4 costs $15.00/M input and $75.00/M output via anthropic. GLM-4.5V costs $0.55/M input and $2.19/M output via fireworks.
Claude Opus 4 supports 200K tokens and GLM-4.5V supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 131K), input pricing ($15.00 vs $0.55/M), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
Claude Opus 4 is developed by Anthropic and GLM-4.5V is developed by Zhipu AI.