Qwen3.8 Flash API Pricing & Monthly Cost Simulator
Verified 2026 unit economics for Qwen Qwen3.8 Flash (qwen/qwen3.8-flash): $0.15/1M uncached input, $0.016/1M cached prefix read, and $0.47/1M output across a 1,000,000-token context window (released 2026-08-26).
Uncached Input (/1M)
$0.15
Cached Prompt Read (/1M)
$0.016 (-89%)
Output Completion (/1M)
$0.47
50% Batch API (In / Out)
$0.075 / $0.235
Interactive 30-Day Monthly Spend Simulator
Live Unit-Cost & Prompt Cache Slider (Qwen3.8 Flash)
qwen/qwen3.8-flash
Estimated 30-day spend
$21.24/mo
Cost per 1,000 calls
$0.7080
Monthly savings vs 0% cache
$8.04/mo
Technical Limits & API Capabilities
Context window
1,000,000
Max output tokens
131,072
Workload tier
Coding & Agent
Input modalities
text, image, video
Tool Calling: Yes
JSON Schema Strict: Yes
Reasoning Tokens: Supported
50% Batch API: Available
Same-Category 2026 Model Alternatives (Coding & Agent)
| Model | Provider | Input / Cached ($/1M) | Output ($/1M) | Context / Max Out |
|---|---|---|---|---|
| Qwen3.8 Flash | Qwen | $0.15 / $0.016 | $0.47 | 1,000,000 / 131,072 |
| Gemini 4 Hydrogen | $1.5 / $0.075 | $7.5 | 1,048,576 / 943,718 | |
| Gemini 4 Carbon | $2 / $0.1 | $10 | 1,048,576 / 943,718 | |
| Muse Ember | Meta | $0.1 / $0.004 | $0.5 | 1,048,576 / 943,718 |
| GPT-6.1 Terra | OpenAI | $1 / $0.05 | $5 | 1,050,000 / 128,000 |
| MiniMax M3.1 Flash | MiniMax | $0.15 / $0.015 | $0.6 | 1,048,576 / 524,288 |
| Muse Spark Open | Meta | $1.25 / $0.15 | $4.25 | 1,048,576 / 943,718 |
Head-to-Head Matchups Featuring Qwen3.8 Flash
- DeepSeek V4.1 Flash 1017 vs Qwen3.8 Flash — $0.3 vs $0.15 / 1M
Frequently Asked Questions
How much does Qwen3.8 Flash cost per 1 million tokens in 2026?
Qwen3.8 Flash by Qwen is billed at $0.15 per 1M uncached input tokens, $0.016 per 1M cached input read tokens (89% cache discount), and $0.47 per 1M output tokens.
What are the context window and max output token limits for Qwen3.8 Flash?
Qwen3.8 Flash supports a 1,000,000-token input context window and up to 131,072 completion output tokens per request, accepting text, image, video inputs.
Does Qwen3.8 Flash support strict JSON Schema outputs, tool calling, and Batch API?
Qwen3.8 Flash capability profile: tool calling = Supported, strict JSON Schema structured outputs = Supported, reasoning mode = Supported, and 50% asynchronous Batch API = Supported.