Question 1

What does this Qwen Flash vs Claude Haiku 4.5 comparison cover?

Accepted Answer

It brings together documented inputs and outputs, token limits, deployment terms and available pricing. When both models have source-linked, verified results on a shared benchmark, those results are shown with their individual sources. The comparison is a starting point for evaluating your own workload.

Question 2

Which is cheaper: Qwen Flash or Claude Haiku 4.5?

Accepted Answer

Qwen Flash lists $0.05 input and $0.40 output per 1M tokens. Claude Haiku 4.5 lists $1.00 input and $5.00 output. The cheaper workload depends on the mix of input and output. Long-context tiers, caching, batch processing and retries can change the bill.

Question 3

Which has the larger context window: Qwen Flash or Claude Haiku 4.5?

Accepted Answer

Qwen Flash lists 1M tokens and Claude Haiku 4.5 lists 200K. Qwen Flash therefore has the larger recorded context window, but capacity alone is not a quality score.

Question 4

Which is faster: Qwen Flash or Claude Haiku 4.5?

Accepted Answer

There is no matched speed measurement for both models with the same source, host, region and date. Test the same prompts at your expected concurrency and measure time to the first useful response as well as complete task time.

Question 5

What input and output types do Qwen Flash and Claude Haiku 4.5 support?

Accepted Answer

Qwen Flash records text input and text output. Claude Haiku 4.5 records text, image, pdf input and text output. “Not documented” means the current source record is incomplete; it does not prove that a modality is unsupported.

Question 6

Should I choose Qwen Flash or Claude Haiku 4.5?

Accepted Answer

Consider Qwen Flash if you need larger context or a lower listed input rate or a lower listed output rate. Consider Claude Haiku 4.5 if you need larger maximum output. Test both on the same representative examples and judge the output against your acceptance criteria. Include tool failures, retries and the time to a completed task.

Specification	Qwen Flash	Claude Haiku 4.5
Provider	Alibaba	Anthropic
Listed pricing route	Alibaba	Anthropic
Model family	qwen	claude-haiku
Accepted inputs	text	text, image, pdf
Produced outputs	text	text
Context window	1MHigher	200K
Max output	32.77K	64KHigher
Input price / 1M	$0.05Lower	$1.00
Output price / 1M	$0.40Lower	$5.00
Reasoning mode	Documented	Documented
Tool calling	Documented	Documented
Image input	Not documented	Documented
Audio input	Not documented	Not documented
Structured output	Not documented	Not documented
License	Proprietary	Proprietary

Qwen Flash vs Claude Haiku 4.5

Qwen Flash

Claude Haiku 4.5

Key differences

Pricing, limits and capabilities

Which model should you choose?

Documentation and model profiles

Questions people ask

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