Overview
DeepSeek V4 Flash 0731 vs GLM 5.3 Flash vs Qwen3.8 Flash vs Muse Spark 1.2 Contributor vs GPT-5.6 Luna Pro: side-by-side summary
DeepSeek V4 Flash 0731, GLM 5.3 Flash, Qwen3.8 Flash, Muse Spark 1.2 Contributor, and GPT-5.6 Luna Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V4 Flash 0731, from DeepSeek, has a 1,310,720-token context window and is priced at $0.019/M tokens input, $0.30/M tokens output on OpenRouter.
GLM 5.3 Flash, from Z.ai, has a 1,310,720-token context window and is priced at $0.045/M tokens input, $0.14/M tokens output on OpenRouter.
Qwen3.8 Flash, from Qwen, has a 1,000,000-token context window and is priced at $0.15/M tokens input, $0.47/M tokens output on OpenRouter.
Muse Spark 1.2 Contributor, from Meta, has a 1,048,576-token context window and is priced at $0.10/M tokens input, $0.20/M tokens output on OpenRouter.
GPT-5.6 Luna Pro, from OpenAI, has a 1,050,000-token context window and is priced at $0.20/M tokens input, $1.20/M tokens output on OpenRouter.
- Context window
- DeepSeek V4 Flash 0731: 1,310,720 tokens
- GLM 5.3 Flash: 1,310,720 tokens
- Qwen3.8 Flash: 1,000,000 tokens
- Muse Spark 1.2 Contributor: 1,048,576 tokens
- GPT-5.6 Luna Pro: 1,050,000 tokens
- Price
- DeepSeek V4 Flash 0731: $0.019/M tokens input, $0.30/M tokens output
- GLM 5.3 Flash: $0.045/M tokens input, $0.14/M tokens output
- Qwen3.8 Flash: $0.15/M tokens input, $0.47/M tokens output
- Muse Spark 1.2 Contributor: $0.10/M tokens input, $0.20/M tokens output
- GPT-5.6 Luna Pro: $0.20/M tokens input, $1.20/M tokens output
- Provided by
- DeepSeek V4 Flash 0731: DeepSeek
- GLM 5.3 Flash: Z.ai
- Qwen3.8 Flash: Qwen
- Muse Spark 1.2 Contributor: Meta
- GPT-5.6 Luna Pro: OpenAI