How much does Qwen3.8 Flash cost per month?

For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Qwen3.8 Flash costs about $115.50 per month at Alibaba's list prices ($0.15 per 1M input tokens, $0.47 per 1M output tokens).

Does Qwen3.8 Flash support prompt caching?

Yes. Cached input costs $0.016 per 1M tokens, compared with $0.15 for regular input. Writing to the cache costs $0.20 per 1M tokens.

How long is Qwen3.8 Flash's context window?

Qwen3.8 Flash accepts up to 1,000,000 tokens (1M) of context and returns up to 131,072 tokens per response.

Qwen3.8 Flash API Pricing

Alibaba · released Aug 26, 2026 · 1M context · API model ID qwen3.8-flash

Qwen3.8 Flash by Alibaba API pricing: $0.15 per 1M input tokens and $0.47 per 1M output tokens (provider list price via models.dev, Oct 10, 2026).

Prices

Qwen3.8 Flash prices, USD per 1M tokens
Price	USD per 1M tokens
Input	$0.15
Output	$0.47
Cache read	$0.016
Cache write	$0.20

Alibaba's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation

Estimated monthly cost

$115.50

per month

per day: $3.85
per request: $0.000385

Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.

Compare this workload across models

Monthly cost by workload

Workload	Per month
Chatbot1,000 in / 500 out tokens, 10,000 requests a day	$115.50/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day	$215.25/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input	$92.40/mo

Context and capabilities

Context: 1,000,000 tokens
Max output: 131,072 tokens
Input: text, image, video
Output: text
Knowledge cutoff: Not published
Open weights: No
Tool calling: Yes
Reasoning: Yes
Structured outputs: Yes

Capabilities and limits as listed by models.dev.

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Price history

No price changes since we started tracking on Oct 8, 2026.

Questions

How much does Qwen3.8 Flash cost per month?: For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Qwen3.8 Flash costs about $115.50 per month at Alibaba's list prices ($0.15 per 1M input tokens, $0.47 per 1M output tokens).
Does Qwen3.8 Flash support prompt caching?: Yes. Cached input costs $0.016 per 1M tokens, compared with $0.15 for regular input. Writing to the cache costs $0.20 per 1M tokens.
How long is Qwen3.8 Flash's context window?: Qwen3.8 Flash accepts up to 1,000,000 tokens (1M) of context and returns up to 131,072 tokens per response.