Claude Opus 4 vs GLM 4.6 (Comparative Analysis)
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Comparative Analysis: Claude Opus 4 vs. GLM 4.6
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Overview
Claude Opus 4 was released 4 months before GLM 4.6.
 Claude Opus 4 |  GLM 4.6 | |
|---|---|---|
Model Provider The organization behind this AI's development | Anthropic | Z.AI |
Input Context Window Maximum input tokens this model can process at once | 200K tokens | 204.8K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32K tokens | 131.1K tokens |
Release Date When this model first became publicly available | May 22, 2025 1 year ago May 22nd, 2025 | September 30, 2025 10 months ago September 30th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | January 31, 2025 | March 31, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Claude Opus 4 | GLM 4.6 | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text📁File | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Optional |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Claude | Other |
Key Features Advanced capabilities | ✓Function CallingStructured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Proprietary | Available on HuggingFace → |
Pricing
Claude Opus 4 is roughly 30.0x more expensive compared to GLM 4.6 for input tokens and roughly 37.5x more expensive for output tokens.
| Claude Opus 4 | GLM 4.6 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $15.00 per million tokens | $0.50 per million tokens |
Output Token Cost Cost per million output tokens | $75.00 per million tokens | $2.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.01 per search | Not specified |
Cache Read Cost Cost to reuse cached input tokens | $1.50 per million tokens | $0.10 per million tokens |
Cache Write Cost Cost to write input tokens to the cache | $18.75 per million tokens | Not specified |
1-Hour Cache Write Cost Cost to cache input tokens for one hour | $30.00 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between Claude Opus 4 and GLM 4.6.
| Claude Opus 4 | GLM 4.6 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | Benchmark not available. | 29.3 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | Benchmark not available. | 45.8 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | Benchmark not available. | 18.6 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,210 Elo (#44 in Game Dev (59.9% win rate)) | 1,197 Elo (#59 in Website (54.4% win rate)) |
At a Glance
Quick overview of what makes Claude Opus 4 and GLM 4.6 unique.
Claude Opus 4 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning. It can handle standard conversations with its 200K token context window. Premium pricing at $15.00/M input and $75.00/M output tokens. Released May 22nd, 2025.GLM 4.6 by Z.AI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 204.8K token context window. Reasonably priced at $0.50/M input and $2.00/M output tokens. Released September 30th, 2025.Explore More Comparisons
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