What is the difference between Claude Opus 4.6 and GLM 5?

Claude Opus 4.6 is developed by Anthropic while GLM 5 is developed by Zhipu AI. Claude Opus 4.6 has a 1.0M token context window vs GLM 5's 203K. in 66 community votes on Rival, Claude Opus 4.6 wins 66% of head-to-head matchups. These results are based on blind head-to-head voting across 53 challenges.

Which is better, Claude Opus 4.6 or GLM 5?

Based on 66 community votes on Rival, Claude Opus 4.6 wins 66% of head-to-head matchups against GLM 5. Claude Opus 4.6 is strongest in Image Generation, Web Design, Conversation.

How much does Claude Opus 4.6 cost compared to GLM 5?

Claude Opus 4.6 costs $5/M input tokens and GLM 5 costs $0.8/M input tokens. GLM 5 is $4.20/M cheaper per input. The more expensive model wins 66% of duels, so the premium may be justified by quality.

How are Claude Opus 4.6 vs GLM 5 votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 66 votes have been collected for this pair across 53 challenges. All vote data is part of Rival's open dataset.

Updated Feb 2026

Claude Opus 4.6vsGLM 5

Claude Opus 4.6 wins 66% of 66 blind community votes against GLM 5 on Rival.

Claude Opus 4.6 and GLM 5 compared across 53 shared prompts
Spec	Claude Opus 4.6	GLM 5
Win rate	66%	35%
Input price	$5/M tokens	$0.8/M tokens
Output price	$25/M tokens	$2.56/M tokens
Context window	1.0M tokens	203K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Feb 2026	Feb 2026
SWE-bench Verified	80.8%	77.8%