Qwen: Qwen3.8 Flash API Pricing
Qwen: Qwen3.8 Flash costs $0.150 per 1M input tokens and $0.470 per 1M output tokens (cache reads: $0.016). Context window: 1M. Prices verified 2026-10-21 · source
Alternatives to consider
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Token economics
| Token type | Price | vs base input |
|---|---|---|
| Standard input | $0.150 | — |
| Cache read | $0.016 | −89% |
| Output | $0.470 | — |
Prompt caching stores repeated context server-side: reads cost far less, but writes carry a one-time premium.
Higher effort = deeper thinking = more reasoning tokens billed as output.
What would Qwen: Qwen3.8 Flash cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $3.08 |
| Coding agent | 5,000 | 8,000 / 2,000 | $10.70 |
| RAG pipeline | 30,000 | 4,000 / 500 | $25.05 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $6.94 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Qwen: Qwen3.8 Flash
Qwen3.8 Flash is a multimodal reasoning model from Alibaba. It is suited for coding assistance, agentic workflows, visual understanding, document and codebase analysis, desktop interaction, chart analysis, and long-video analysis.
Compare Qwen: Qwen3.8 Flash with
- Qwen3.8 Flash vs OpenAI: GPT-5.6 Terra Pro
- Qwen3.8 Flash vs Anthropic: Claude Fable 5
- Qwen3.8 Flash vs Anthropic: Claude Opus 5
- Qwen3.8 Flash vs OpenAI: GPT-5.6 Sol
Popular head-to-heads — see all on the comparisons index.
Frequently asked questions
How much does Qwen: Qwen3.8 Flash cost?
Qwen: Qwen3.8 Flash costs $0.150 per 1M input tokens and $0.470 per 1M output tokens; cached input tokens cost $0.016 per 1M. Verified 2026-10-21 — provider source.
What is the context window?
1M tokens, with up to 131K output tokens per response. That's roughly 1250 pages of text in a single request.
Does it support prompt caching?
Yes — cached input is $0.016/1M, about 89% cheaper than standard input. Agents and RAG workloads with repeated context benefit most.
What's a cheaper alternative?
ScaleDown: Summarize saves about 88% on a typical workload with comparable quality.
Official resources
- Qwen: Qwen3.8 Flash on OpenRouter — live endpoint, pricing source of record.
- Artificial Analysis leaderboard → — independent intelligence and performance rankings.
- Qwen GitHub → — official model repositories and release notes.
- Shred your current bill — paste a CSV and see if switching saves money.