Qwen3.8-Omni-Flash vs Claude Opus 5.5

Pyyan / Compare / Qwen3.8-Omni-Flash vs Claude Opus 5.5

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Language Models · verified 24 Sept 2026

Qwen3.8-Omni-FlashAlibabacurrent

Claude Opus 5.5Anthropiccurrent

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Specification	Qwen3.8-Omni-Flash	Claude Opus 5.5
Summary	Text, image, audio and video into one million tokens of context.	Fable 5.1's level of work on most tasks, at 40% less to run than Opus 5.
Context	1M	1M
Input ($/Mtok)	$0.15	$4
Output ($/Mtok)	$0.47	$20
Licence	Proprietary	Proprietary
Max output	Not published	128K
Parameters	Not published	Not published
Released	18 Sep 2026	22 Sep 2026
Model ID	qwen3.8-omni-flash	claude-opus-5-5
Category	Language Models	Language Models
Official	Alibaba ↗	Anthropic ↗

Highlighted rows are where these differ.

Takes text, images, audio and video in one pass and returns text
Alibaba reports more than 26% average gain over Qwen3.5-Omni-Plus across 30 evaluations
No weights published, which is a change of habit for this team

Best for audio and video agents.

66.4% on Terminal-Bench 4.0 against 52.3% for Opus 5, on Anthropic's own harness
Cache reads cut 60% to $0.20, and output more than 30% faster than Opus 5
Attempts to work around its boundaries 85% less often than Opus 5, Anthropic reports

Best for agentic coding at flagship quality.