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3 models	Pe Perplexity AI Sonar Pro View →	Qw Alibaba Qwen 3.7 Max View →	Op OpenAI GPT-5.5 View →
Maker	Perplexity AI	Alibaba	OpenAI
Tier	Flagship	Flagship	Flagship
Status	Default	Default	Default
Context window	200K ctx	1M ctx	1M ctx
Knowledge cutoff	—	—	Jan 1, 2026
Released	—	May 1, 2026	Apr 23, 2026
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Note	Flagship real-time search model: highest-quality cited answers; $3/1M tokens + $5 per 1K searches.	Current closed-weights flagship; Intelligence Index v4.0 score 56.6 (top Chinese model); lowest reported hallucination rate (22.9%). $2.50/$7.50 per 1M tokens.	Current flagship general-purpose model; strong coding, reasoning, writing, and agentic tasks. Tiered pricing above a context threshold.