Claude 1 vs GLM-4.6
Anthropic Claude 1 | Z.ai GLM-4.6 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Z.ai |
| Release date | Mar 14 2023 | Sep 30 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 355B |
Context window | — | 200k |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 68% |
| Timeline | ||
| Release gap | Claude 1 shipped 931 days before GLM-4.6 | |
Which is better: Claude 1 or GLM-4.6?
Claude 1 and GLM-4.6 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 931 days before GLM-4.6, so benchmark comparisons should account for the intervening progress.
Claude 1 is proprietary, while GLM-4.6 is open weight.
Direct benchmark comparisons are unavailable — Claude 1 and GLM-4.6 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 1 was released by Anthropic on Mar 14 2023.
GLM-4.6 was released by Z.ai on Sep 30 2025.
Claude 1 is a proprietary model released by Anthropic. GLM-4.6 is an open weight model released by Z.ai.