Claude Opus 4.7 (Fast) vs Qwen3.5 Plus 2026-04-20: side-by-side summary

Claude Opus 4.7 (Fast) and Qwen3.5 Plus 2026-04-20 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Opus 4.7 (Fast), from Anthropic, has a 1,000,000-token context window and is priced by the provider serving it on OpenRouter.

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.

Context window

• Claude Opus 4.7 (Fast): 1,000,000 tokens
• Qwen3.5 Plus 2026-04-20: 1,000,000 tokens

Price

• Claude Opus 4.7 (Fast): Pricing varies by provider
• Qwen3.5 Plus 2026-04-20: $0.30/M tokens input, $1.80/M tokens output

Provided by

• Claude Opus 4.7 (Fast): Anthropic
• Qwen3.5 Plus 2026-04-20: Qwen

• Claude Opus 4.7 (Fast) model details, providers and pricing
• Qwen3.5 Plus 2026-04-20 model details, providers and pricing