GPT-5.2 Chat vs Qwen3.5 Plus 2026-02-15: side-by-side summary

GPT-5.2 Chat and Qwen3.5 Plus 2026-02-15 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-5.2 Chat, from OpenAI, has a 128,000-token context window and is priced at $1.75/M tokens input, $14/M tokens output on OpenRouter.

Qwen3.5 Plus 2026-02-15, from Qwen, has a 1,000,000-token context window and is priced at $0.26/M tokens input, $1.56/M tokens output on OpenRouter.

Context window

• GPT-5.2 Chat: 128,000 tokens
• Qwen3.5 Plus 2026-02-15: 1,000,000 tokens

Price

• GPT-5.2 Chat: $1.75/M tokens input, $14/M tokens output
• Qwen3.5 Plus 2026-02-15: $0.26/M tokens input, $1.56/M tokens output

Provided by

• GPT-5.2 Chat: OpenAI
• Qwen3.5 Plus 2026-02-15: Qwen

• GPT-5.2 Chat model details, providers and pricing
• Qwen3.5 Plus 2026-02-15 model details, providers and pricing