How much does Qwen3 8B cost per month?

For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Qwen3 8B costs about $159.00 per month at Alibaba's list prices ($0.18 per 1M input tokens, $0.70 per 1M output tokens).

Does Qwen3 8B support prompt caching?

No cache read price is published for Qwen3 8B.

How long is Qwen3 8B's context window?

Qwen3 8B accepts up to 131,072 tokens (131K) of context and returns up to 8,192 tokens per response.

Qwen3 8B API Pricing

Alibaba · released April 2025 · 131K context · API model ID qwen3-8b

Qwen3 8B by Alibaba API pricing: $0.18 per 1M input tokens and $0.70 per 1M output tokens (provider list price via models.dev, Oct 10, 2026).

Prices

Qwen3 8B prices, USD per 1M tokens
Price	USD per 1M tokens
Input	$0.18
Output	$0.70
Cache read	Not published
Cache write	Not published
Reasoning output	$2.10

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

$159.00

per month

per day: $5.30
per request: $0.00053

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	$159.00/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day	$268.50/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input	$312.00/mo

Context and capabilities

Context: 131,072 tokens
Max output: 8,192 tokens
Input: text
Output: text
Knowledge cutoff: April 2025
Open weights: Yes
Tool calling: Yes
Reasoning: Yes
Structured outputs: No

Capabilities and limits as listed by models.dev.

Similarly priced models

Qwen3.8 Flash · $0.15 in / $0.47 out
Claude Haiku 5.5 · $0.10 in / $0.50 out
GPT-6 Luna · $0.10 in / $0.50 out
DeepSeek V4.1 Flash · $0.30 in / $1.20 out

Price history

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

Questions

How much does Qwen3 8B cost per month?: For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Qwen3 8B costs about $159.00 per month at Alibaba's list prices ($0.18 per 1M input tokens, $0.70 per 1M output tokens).
Does Qwen3 8B support prompt caching?: No cache read price is published for Qwen3 8B.
How long is Qwen3 8B's context window?: Qwen3 8B accepts up to 131,072 tokens (131K) of context and returns up to 8,192 tokens per response.