Compare AI Models

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

4 models	Cl Anthropic Claude Fable 5 View →	Op OpenAI GPT-5.5 View →	De DeepSeek DeepSeek V4 Pro View →	Qw Alibaba Qwen 3.7 Max View →
Maker	Anthropic	OpenAI	DeepSeek	Alibaba
Tier	Flagship	Flagship	Flagship	Flagship
Status	Active	Default	Default	Default
Context window	1M ctx	1M ctx	1M ctx	1M ctx
Knowledge cutoff	Jan 1, 2026	Jan 1, 2026	Jan 1, 2026	—
Released	Jun 9, 2026

API string	claude-fable-5	gpt-5.5	deepseek-v4-pro	qwen3.7-max

Note	First publicly available Mythos-class model (above Opus); Mythos 5 weights with safety classifiers active. 1M context, $10/$50, highest benchmarks of any GA model. Refusals return stop_reason refusal; mandatory 30-day retention.	Current flagship general-purpose model; strong coding, reasoning, writing, and agentic tasks. Tiered pricing above a context threshold.	Current flagship; 1.6T total / 49B active MoE, 384K max output, optional thinking mode that subsumes R1; 80.6% SWE-bench Verified; MIT license; $0.435/$0.87 per 1M.	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.