Qwen3.5 Flash
Alibaba
Qwen3.5 Flash by Alibaba costs $0.10 per 1M input tokens and $0.40 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$0.10
Output (per 1M tokens)
$0.40
Cached input (per 1M)
$0.01
Specifications
- Provider
- Alibaba
- Context window
- 1M tokens
- Parameters
- —
- Released
- Feb 2026
- Open weights
- No
- Frontier model
- No
Benchmarks
- FrontierMath
- 6.2
- GPQA Diamond
- 82.3
- LMArena WebDev Elo
- 1243.5
Speed & latency
Time to first token
1.05s
Output speed
284 tok/s
Fastest host: alibaba (via vercel-ai-gateway).
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FAQ
How much does Qwen3.5 Flash cost?
Qwen3.5 Flash is priced at $0.10 per 1M input tokens and $0.40 per 1M output tokens. Output tokens cost more than input.
What is Qwen3.5 Flash's context window?
Qwen3.5 Flash supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.
Is Qwen3.5 Flash open weight?
No — Qwen3.5 Flash is a closed/proprietary model accessed via API.
Data as of 2026-10-14. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.