Compare models

Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.

Selected

DeepSeek-V4-Pro×

Qwen3.6-27B×

GPT-5.5×

	DeepSeek-V4-Pro DeepSeek	Qwen3.6-27B Alibaba	GPT-5.5 OpenAI	o3 OpenAI
Vendor	DeepSeek	Alibaba	OpenAI	OpenAI
Family	DeepSeek	Qwen	GPT	o-series
Release date	2026-04-22	2026-04-22	2026-04-23	2025-04-16
Context window	1,000,000 tokens	262,144 tokens	400,000 tokens	200,000 tokens
Parameters	1.6T (49B active)	27B (dense)	—	—
Modality	text	text, vision, video	text, vision, audio	text, vision
License	MIT	Apache-2.0	proprietary	proprietary
Source	open weights	open weights	proprietary	proprietary
Description	DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs.	Alibaba's first dense open-weight in the 3.6 family. Strong agentic-coding scores (77.2 SWE-bench Verified, matching Claude 4.5 Opus on Terminal-Bench 2.0). Supports 201 languages and multimodal text/image/video input.	OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning.	Reasoning-focused model in the o-series.
Links	weights →	weights →	vendor →