Overview
GPT-6 Luna vs GLM 5.3 Flash: side-by-side summary
GPT-6 Luna and GLM 5.3 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GPT-6 Luna, from OpenAI, has a 1,050,000-token context window and is priced at $0.10/M tokens input, $0.50/M tokens output on OpenRouter.
GLM 5.3 Flash, from Z.ai, has a 1,048,576-token context window and is priced at $0.048/M tokens input, $0.16/M tokens output on OpenRouter.
- Context window
- GPT-6 Luna: 1,050,000 tokens
- GLM 5.3 Flash: 1,048,576 tokens
- Price
- GPT-6 Luna: $0.10/M tokens input, $0.50/M tokens output
- GLM 5.3 Flash: $0.048/M tokens input, $0.16/M tokens output
- Provided by
- GPT-6 Luna: OpenAI
- GLM 5.3 Flash: Z.ai