Overview
Qwen3.5 Plus 2026-04-20 vs Grok Build 0.1: side-by-side summary
Qwen3.5 Plus 2026-04-20 and Grok Build 0.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Qwen3.5 Plus 2026-04-20, from Qwen, has a 1,000,000-token context window and is priced at $0.30/M tokens input, $1.80/M tokens output on OpenRouter.
Grok Build 0.1, from SpaceXAI, has a 256,000-token context window and is priced at $1/M tokens input, $2/M tokens output on OpenRouter.
- Context window
- Qwen3.5 Plus 2026-04-20: 1,000,000 tokens
- Grok Build 0.1: 256,000 tokens
- Price
- Qwen3.5 Plus 2026-04-20: $0.30/M tokens input, $1.80/M tokens output
- Grok Build 0.1: $1/M tokens input, $2/M tokens output
- Provided by
- Qwen3.5 Plus 2026-04-20: Qwen
- Grok Build 0.1: SpaceXAI