Claude 2.1vsGLM-4.6
Claude 2.1 | GLM-4.6 | |
|---|---|---|
| Specifications | ||
Parameters | — | 355B |
Context window | 200k | 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% |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | — | 1339 |
| Overview | ||
| Company | Anthropic | Z.ai |
| Release date | Nov 21 2023 | Sep 30 2025 |
| Access | Proprietary | Open Weight |
Which is better: Claude 2.1 or GLM-4.6?
Claude 2.1 and GLM-4.6 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 679 days before GLM-4.6, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (Claude 2.1) vs 200k (GLM-4.6). Claude 2.1 is proprietary, while GLM-4.6 is open weight.
Direct benchmark comparisons are unavailable — Claude 2.1 and GLM-4.6 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 2.1 was released by Anthropic on Nov 21 2023.
GLM-4.6 was released by Z.ai on Sep 30 2025.
Claude 2.1 has a 200k context window; GLM-4.6 has 200k.
Claude 2.1 is a proprietary model released by Anthropic. GLM-4.6 is an open weight model released by Z.ai.
Other comparisons
Claude 2.1vsGPT-5.6 SolGLM-4.6vsGPT-5.6 SolClaude 2.1vsGemini 3.6 FlashGLM-4.6vsGemini 3.6 FlashClaude 2.1vsMuse GlimmerGLM-4.6vsMuse GlimmerClaude 2.1vsGrok 4.5GLM-4.6vsGrok 4.5Claude 2.1vsDeepSeek-V4-Flash-0731GLM-4.6vsDeepSeek-V4-Flash-0731Claude 2.1vsMistral Medium 3.5GLM-4.6vsMistral Medium 3.5