Compare AI Models

Versions side by side — rows that differ across these models are highlighted.

3 models	Op OpenAI GPT-5.5 View →	Gr xAI Grok 4.3 View →	Qw Alibaba Qwen 3.7 Max View →
Maker	OpenAI	xAI	Alibaba
Tier	Flagship	Flagship	Flagship
Status	Default	Default	Default
Context window	1M ctx	1M ctx	1M ctx
Knowledge cutoff	Jan 1, 2026	—	—
Released	Apr 23, 2026	Apr 30, 2026	May 1, 2026
API string	gpt-5.5

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Note	Current flagship general-purpose model; strong coding, reasoning, writing, and agentic tasks. Tiered pricing above a context threshold.	Current flagship; cost-efficient ($1.25/$2.50 per 1M), 1M context, strong agentic tool-calling and native real-time X/web access.	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.